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Cobra 18 WX St II Manual

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Cobra 18 WX St IICobra 18 WX ST II 40-channel CB radio
Cobra Electronics is a leading global manufacturer of innovative mobile communications products for consumers, having attained a leadership position in every market in which it currently does business. Cobra maintains its market dominance by maximizing its competitive advantages of being a product innovator and applying cutting-edge technologies. The 18 WX ST II CB radio features SoundTracker Noise Reduction System. While previous systems only "blanked out" or limited noise in higher s... Read more
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User reviews and opinions

Comments to date: 2. Page 1 of 1. Average Rating:
showley 5:01am on Friday, April 23rd, 2010 
I have four of these radios in my trucks and they really put out. Love the weather channels. Durable, Easy To Install, Reliable, Waterproof
ezquerra 11:47am on Saturday, March 27th, 2010 
works just as good as the big boys used for highway driving to monitor traffic and check weather would recommend to buy Durable, Easy To Install.

Comments posted on are solely the views and opinions of the people posting them and do not necessarily reflect the views or opinions of us.




How to Use Your Cobra 18WXST II
Contents Features. 1 The CB Story. A1 Licensing/Warning/Included Accessories. A1 Controls and Indicators. A2 Our Thanks to You. A3 Customer Support. A3 Operating Your CB Mobile Radio Installation/Connection. 2 Turning On. 4 CB Antenna. 4 Microphone Connector. 5 Squelch. 5 Setting Squelch. 6 Channel Selection. 8 Channel 9/19. 8 CB/Weather. 8 Dual Watch. 9 Scan. 9 Soundtracker System. 10 Activating Soundtracker System. 11 S/RF Power Meter. 12 RX/TX Indicator LED. 12 Antenna Connector. 13 External Speaker. 13 Power. 13 Ignition Noise Interference. 14 Temporary Mobile Operation. 14 Operation to Receive/Transmit. 15 Maintenance. 16 Frequency Ranges. 18 Specifications. 19 Accessories. 20, 21 Accessories Order Info. 22 Warranty. 23 If You Think You Need Service. Back Cover Features of This Product 40 CB Radio Channels 10 Weather Channels SoundtrackerTMSystem Instant Channel 19 and Channel Scan Dual Watch Front Firing Speaker Channel Saver Circuitry Dynamic Microphone 9 Foot Mic Cord Front Panel Microphone Connector

Installation Operation

Mounting and Connections
The transceiver is held in the universal mounting bracket by two thumb screws, permitting adjustment at the most convenient angle. A universal mounting bracket is supplied along with self tapping screws and star washers. To mount the transceiver:
Mounting and Connections Select a location for the transceiver and microphone bracket that is convenient for operation. In automobiles, the transceiver is usually mounted to the underneath of the dash panel, with the microphone bracket beside it. Hold the radio with mounting bracket in the exact location desired. Remove the mounting bracket and use it as a template to mark the location for the mounting screws.
CB Tranceiver CB Transceiver
Drill necessary holes and secure mounting bracket in location. Connect the antenna cable plug to the receptacle marked ANT on the back of the unit.




Connect the red lead of DC power cord to an accessory 12 volt fuse. Connect the orange lead to a constant 12v fuse (ie: cigarette lighter or direct to battery) Connect the black lead to the negative side of the automobile.This is usually the chassis. Any convenient location with good electrical contact (remove paint) may be used.
Before installing the CB radio, visually check the vehicle battery connections to determine which battery terminal, positive or negative (positive is the larger of the two) is grounded to the engine block (or chassis).
Mount the microphone bracket on right side of the transceiver or near it using two screws supplied.When mounting in an automobile, place the bracket under the dash so the microphone is readily accessible. Attach the 4-pin microphone cable to recepta- +30 DW SCAN S cle on front of unit and install unit in bracketP.4 securely.




Turning on Your Radio
Turning on Turn volume control clockwise to turn power on and set the desired listening volume.

CB Antenna

Cobra loaded-type antenna models HGA 1000, HGA 1500, and HGA 2000 are highly recommended for most installations. Consult your Cobra dealer for further details (or see order form at the back of this book). 3-Way Combination Antennas are available which allow operation of all three bands (AM-FM & CB), using a single antenna. However, use of this type of antenna usually results in less than normal transmit and receive range when compared to a standard-type "Single Band" antenna designed for CB only.
CB Antenna Only a properly matched antenna system will allow maximum power output. In mobile installations (cars, trucks, boats, etc.), an antenna system that is non-directional should be used. When installed in a boat, the transceiver will not operate at maximum efficiency without a ground plate unless the vessel has a steel hull. Before installing the transceiver in a boat, consult your dealer for information regarding an adequate grounding system.
Microphone Connector Allows for convenient removal of the microphone plug when storage is required.The microphone MUST be connected to the unit at all times when in use, for proper operation.

Microphone Connector

Squelch This control is used to cut off or eliminate receiver background noise in the absence of an incoming signal. Adjust until the receiver noise disappears. This will require the incoming signal to be slightly stronger than average receiver noise. Further clockwise rotation will increase the threshold level which a signal must overcome in order to be heard. Only strong signals will be heard at a maximum clockwise setting.


Setting Squelch

Gate closed

Squelch is the control gate for incoming signals. 1. Full clockwise rotation closes the gate allowing only very strong signals to enter.




2. Full counterclockwise rotation opens the gate allowing all signals in.

Gate open

3. To achieve the Desired Squelch Setting (DSS), turn the Squelch control counterclockwise until you hear noise. Now turn the control clockwise just until the noise stops. This is the DSS setting.
Gate set to Desired Squelch Setting (DSS)


Channel Selection
Set CB or WX Mode Set on CB mode. Rotate channel knob clockwise until desired channel is displayed.

Channel 9/ Channel 19

Channel 9/Channel 19 Press CH 9/19 to obtain instant access to emergency channel 9. Press again for information CH 19.


CB Weather
CB/Weather CB mode is for normal CB operation. Press CB/Weather again and select active Weather channel in your area.
Dual Watch This features allows the user to scan between two selected channels. 1. Select first channel, CB mode.

Dual Watch

The radio needs to be squelched before DW can monitor both channels.


2. Press and hold DW until LED begins flashing and beeps once. 3. Select second channel. Press DW until LED lights steady and radio beeps twice. Two channels are now stored in DW memory. Scan Press and release SCAN button to activate CB scan mode. If the radio is squelched, radio begins to scan.
On some channels squelch setting might have to be re-set.
When scan is interrupted by a signal, scan stops and holds until loss of signal. Press PTT on mic to stop OFF scan function. Press Scan to restart CB scan.

Soundtracker System

The SoundTracker System reduces noise while leaving the signal intact in the reception mode. In the transmission mode, it strengthens the signal, providing you with a significant reduction in noise on reception and transmission. How SoundTracker works On ReceptionCuts Noise Coming In With a normal CB, distant signals fall below the squelch level and are unintelligible. With a SoundTracker CB, the noise level is cut by up to 90%, which increases the signal-to-noise ratio and dramatically improves signal clarity. This also allows you to significantly reduce the squelch level, which greatly expands your listening range.

USPat. No. 6,038,429

On TransmissionStrengthens Signals Going Out A SoundTracker CB strengthens the transmit signal by more effectively using the available RF power output of the CB. The result is improved transmission signal clarity and an expanded transmission range. 10
Activating Soundtracker 1. Press the SoundTracker button on the upper left side of front panel. A red indicator will illuminate when the SoundTracker system is engaged.


Activating Soundtracker

S/RF PowerMeter

S/RF Power Meter Shows relative transmitter RF output power and input signal strength when receiving.The LED (Light Emitting Diode) segments glow green to amber to red.this indicates receive or transmit activity.

RX/TX Indicator LED

RX/TX Indicator LED RX indicator will light when in the receive mode. TX indicator lights when in transmit mode. OFF
When weather channel is selected,WX indicator is illuminated, and the channel is displayed.
Rear Panel Antenna Connector. This female connector permits connection of the transmission line cable male connector to the transceiver.


Antenna Connector
External Speaker. The External Speaker Jack is used for an external speaker. The external speaker should have 8-ohm impedance and be rated to handle at least 4.0 watts. When the external speaker is plugged in, the internal speaker is automatically disconnected. Power: This cable is permanently attached to the radio. If you wish to remove the radio after installation, disconnect at fuse holder and ground connector.

External Speaker

Cobra external speakers are rated 15 watts
Ignition Noise Interference
When using the unit with cigarette adapter, turn off when not in use to avoid draining the battery.
Ignition Noise Interference Use of a mobile receiver at low signal levels is normally limited by the presence of electrical noise. Under most operating conditions, when signal level is adequate, the background noise does not present a serious problem. Also, when extremely low level signals are being received, the transceiver may be operated with vehicle engine turned off. The unit requires very little current and therefore will not significantly discharge the vehicle battery. Even though this radio has an automatic noise limiter, in some installations ignition interference may be high enough to make good communications impossible. Consult your COBRA dealer or a 2-way radio technician for help in locating and correcting the source of severe noise. Temporary Mobile Operation For temporary mobile operation, you may want to purchase an additional cigarette lighter adapter from your COBRA dealer.This adapter and a magnetic mount antenna allow you to quickly "install" your transceiver for temporary use.


Temporary Mobile Operation
Red and Orange wires are connected to positive side of socket center tip. Black wire is connected to negative side contacts.

13.8V DC

Radio resets to CH 9 when connected to cigarette lighter plug.
Operating Procedure to Receive 1. Be sure that power cord, antenna and microphone are connected to the proper connectors before proceeding further. The weather switch should be in the "CB" position. 2. Turn the radio ON by rotating the VOLUME CONTROL clockwise. 3. Rotate SQUELCH CONTROL counterclockwise until incoming signal is heard. 4. Select the desired channel. 5. Set VOLUME CONTROL to a comfortable listening level. 6. Engage the SoundTracker system by depressing the button labeled ST. Listen to the background noise from the speaker. Turn the SQUELCH CONTROL slowly clockwise until the noise JUST disappears (no signal should be present). Leave the control at this setting. The squelch is now properly adjusted. The receiver will remain quiet until a signal is actually received. Do not advance the control too far, or some of the weaker signals will not be heard. The revolutionary SoundTracker system allows you to reduce unwanted background noise (static) and increase the signal for better reception. Operating Procedure to Transmit 1. Select the desired channel. 2. The receiver and transmitter are controlled by the press-to-talk switch on the microphone. Press the switch and the transmitter is activated; release switch to receive. When transmitting (on a clear channel), hold the microphone two inches from the mouth and speak clearly in a normal voice. Be sure the antenna is properly connected to the radio before transmitting. Prolonged transmitting without an antenna, or a poorly matched antenna, could cause damage to the transmitter.


Maintenance/ Adjustment
Maintenance and Adjustment Your COBRA CB transceiver is specifically designed for the environment encountered in mobile installations. The use of all solid state circuitry and its light weight result in high reliability. Should a failure occur, however, review the following, then if necessary, replace parts only with identical parts. Do not substitute. 1. Check connections to the source of power and make sure it is the 13.8 VDC required to operate your radio. 2. Check the fuses in the DC power cord. The main power lead (red & orange wire) has a 2 amp 3AG type fuse in its holder. Use only the above specified type and size fuse for maximum protection. Failure to do so, will void the warranty. 3. Make certain the microphone is properly plugged in. 4. Make certain the antenna is properly assembled and connected. If you are unable to correct the problem, refer to the SERVICE INSTRUCTIONS at the end of this manual for the correct procedure for warranty and post-warranty service from COBRA.


Replacement Warning Replacement or substitution of certain parts with replacements other than those recommended by Cobra may be a violation of the technical regulations of Part 95 of the FCC rules, or of Type Acceptance requirements of Part 2 of said rules. When making adjustments, be sure to re-read applicable portions of this instruction manual to make certain you are following correct procedure and that the radio was properly installed, etc. A Few Rules That Should Be Obeyed
1. You are not allowed to carry on a conversation with another station for more than five minutes at a time without taking a one-minute break to give others a chance to use the channel. 2. You are not allowed to blast others off the air by overpowering them with illegally amplified transmitter power or illegally high antennas. 3. You can't use CB to promote illegal activities. 4. You are not allowed to use profanity. 5. You may not play music in your CB. 6. You may not use your CB to sell merchandise or professional service.
A Few Rules You Should Know
Use Channel 9 For Emergency Messages Only The FCC gives the following examples of permitted and prohibited types of communications for use on Channel 9. These are guidelines and are not intended to be all-inclusive.
Permitted: "A tornado sighted six miles of town." Not Permitted : "This is observation post number 10. No tornado sighted."
Channel 9 Emergency Messages

Frequency Ranges

The COBRA 18 WX ST II transceiver represents one of the most advanced AM two-way radios used as a Class D station in the Citizens Radio Service.This unit features advanced Phase Lock Loop (PLL) circuitry providing complete coverage of all 40 CB channels and all 10 weather channels as shown below. Channel Channel CB Freq. CB Freq. Channel In MHz Channel In MHz
26.965 26.975 26.985 27.005 27.015 27.025 27.035 27.055 27.065 27.075 27.085 27.105 27.115 27.125 27.135 27.155 27.165 27.175 27.185 27.40 27.215 27.225 27.255 27.235 27.245 27.265 27.275 27.285 27.295 27.305 27.315 27.325 27.335 27.345 27.355 27.365 27.375 27.385 27.395 27.405
Weather Weather Freq. Channel In MHz
162.550 162.400 162.475 162.425 162.450 162.500 162.525 161.650 161.775 163.275


You can find quality Cobra products and accessories at your local Cobra dealer, or in the U.S.A., you can order directly from Cobra. See ordering info on page 22.
Replacement Microphone Bracket 741-080-9-001 $0.45
Replacement Mounting Bracket 251-199-9-001 $4.50
Replacement Thumb Screws 634-081-9-001 $0.60
4 Pin Premium NoiseCancelling Microphone HG M84 $74.95
4 Pin Premium NoiseCancelling Microphone Wood Grain HG M84W $74.95
5 Pin Premium NoiseCancelling Microphone HG M85 $74.95
4-Pin Replacement Dynamic Microphone HG M73 $19.95
4-Pin Noise Canceling Microphone HG M77 $30.95
4-Pin Power Microphone HG M75 $25.95
21 Base Loaded Magnet Mount Antenna HG A1000 $28.95
38 Base Loaded Magnet Mount Antenna HG A1500 $46.95
54 Base Loaded Magnet Mount Antenna HG A2000 $99.95
Dynamic External Speaker HG S100 $21.95
Noise Canceling External Speaker HG S300 $28.95
Dynamic Noise Canceling With Talk Back External Speaker HG S500 $32.95
Fiberglass Whip Replacement Antenna 3 Foot HG A300 $28.95 Black, Red, White, Gold 4 Foot HG A400 $29.95 Black, Red, White 4 1/2 Foot HG A450 $30.95 Black, Red, White, Gold
62 Center-Load Replacement Antenna HG A6000 $89.95 Black/Clear, Black, Red, White, Gold

Accessories Order Info

Ordering From U.S.A.
Call 773-889-3087 for pricing or visit For Credit Card Orders Call 773-889-3087 [Press one from the main menu] 8:00 a.m. to 6:00 p.m. Central Time, Monday through Friday. Make Check or Money Order Payable To Cobra Electronics, Attn: Accessories Dept., 6500 West Cortland Street, Chicago, IL 60707 U.S.A. To Order Online Please visit our website:

Item # 251-199-9-001 634-081-9-001 741-080-9-001 HG A1000 HG A1500 HG A2000 HG M84 HG M84W HG M85 HG M73 HG M75 HG M77 HG S100 HG S300 HG S500 HG A300 HG A400 HG A450 HG A6000
Description Replacement Mounting Bracket Replacement Thumb Screws Replacement Microphone Bracket
21Base Loaded Magnetic Mount Antenna 38Base Loaded Magnetic Mount Antenna 54Base Loaded Magnetic Mount Antenna 4 Pin Premium Noise-Cancelling Microphone 4 Pin Premium Noise-Cancelling Mic Wood gr 5 Pin Premium Noise-Cancelling Microphone
Replacement Dynamic Microphone Power Microphone Noise Canceling/Power Microphone Dynamic External Speaker Noise Canceling External Speaker Dynamic Noise Canceling With Talk Back External Speaker Fiberglass Whip Replacement Antenna Black, Red, White, Gold Fiberglass Whip Replacement Antenna Black, Red, White, Gold Fiberglass Whip Replacement Antenna Black, Red, White, Gold 62Center-Load Replacement Antenna Black/Clear, Black, Red, White, Gold
Limited Two Year Warranty
Limited Warranty COBRA ELECTRONICS CORPORATION warrants that its COBRA CB Transceiver, and the component parts thereof, will be free of defects in material and workmanship for a period of two (2) years from the date of consumer purchase.This warranty may be enforced by the first consumer purchaser, provided that the product is utilized within the U.S.A. COBRA will, without charge, repair or replace, at its option, a defective CB Transceiver upon delivery to the COBRA factory Service Department, accompanied by proof of the date of first consumer purchase, such a duplicated sales receipt. You must pay initial shipping charges required to ship the product for warranty service, but the return charges will be at COBRAS expense, if the product is repaired or replaced under warranty. Exclusions: This limited warranty does not apply; 1) to any product damaged by accident; 2) in the event of misuse or abuse of the product or as a result of unauthorized alterations or repairs; 3) if the serial number has been altered, defaced or removed; 4) if the owner of the product resides outside the U.S.A. All implied warranties, including warranties of merchantability and fitness for a particular purpose are limited in duration to the length of this warranty. COBRA shall not be liable for any incidental, consequential or other damages; including, without limitation, damages resulting from loss of use or cost of installation. Some states do not allow limitations on how long an implied warranty lasts and/or do not allow the exclusion or limitation of incidental or consequential damages, so the above limitations may not apply to you. Cobra, HighGear, SoundTracker, Nothing Comes Close to a Cobra and the snake design are registered trademarks of Cobra Electronics Corporation, USA. Cobra Electronics Corporation is a trademark of Cobra Electronics Corporation, USA.

Cobra Electronics Corporation 6500 West Cortland Street Chicago, Illinois 60707 USA
The Cobra line of quality products also includes: CB Radios microTALK Radios Radar/Laser Detectors Safety Alert Traffic Warning Systems Handheld GPS Receivers Mobile GPS Navigation Systems HighGear Accessories CobraMarine VHF Radios CobraMarine Chartplotters Power Inverters Accessories
Nothing Comes Close to a Cobra
Cobra Electronics Corporation 6500 West Cortland Street Chicago, IL 60707 USA
If You Think You Need Service
For technical assistance, please call our Automated Help Desk which can assist you by answering the most frequently asked questions about Cobra products.

(773) 889-3087

24 hours a day, 7 days a week. A Consumer Service Representative can be reached through this same number
8:00 am - 6:00 pm, Monday through Friday, Central Time.
Technical assistance is also available on-line in the Frequently Asked Questions (FAQ) section at or by e-mail to
If you think you need service call 1.773.889.3087
If your product should require factory service please call Cobra first before sending in your unit. This will ensure the fastest turn-around time on your repair. You may be asked to send your unit to the Cobra factory. It will be necessary to furnish the following in order to have the product serviced and returned. 1. For Warranty Repair include some form of proof-of-purchase, such as a mechanical reproduction or carbon of a sales receipt. If you send the original receipt it cannot be returned. 2. Send the entire product. 3. Enclose a description of what is happening with the unit. Include a typed or clearly print name and address of where the unit is to be returned. 4. Pack unit securely to prevent damage in transit. If possible, use the original packing material. 5. Ship prepaid and insured by way of a traceable carrier such as United Parcel Service (UPS) or First Class Mail to avoid loss in transit to: Cobra Factory Service, Cobra Electronics Corporation, 6500 W. Cortland St., Chicago, IL 60707. 6. If the unit is in warranty, upon receipt of your unit it will either be repaired or exchanged depending on the model. Please allow approximately 3 to 4 weeks before contacting us for status. If the unit is out of warranty a letter will automatically be sent informing you of the repair charge or replacement charge. If you have any questions, please call 1.773.889.3087 for assistance.
2006 Cobra Electronics Corporation Printed in China Part No. 480-315-P-001


Operating Instructions for your

18 WX ST II Mobile Radio

with System

The Citizens Band Story

The Citizens Band lies between the shortwave broadcast and 10-meter Amateur radio bands, and was established by law in 1949. The Class D two-way communications service was opened in 1959. (CB also includes a Class A citizens band and Class C remote control frequencies.) FCC Regulations FCC regulations permit only "transmissions" (one-party to another) rather than" broadcast" (to a wide audience). Thus, advertising is not allowed on CB channels because that is "broadcasting". FCC Warnings All transmitter adjustments other than those supplied by the manufacturer as front panel operating controls, must be made by, or under the supervision of, the holder of an FCC-issued general Radio-Telephone Operators License. Replacement or substitution of transistors, regular diodes or other parts of a unique nature, with parts other than those recommended by Cobra, may cause violation of the technical regulations of Part 95 of the FCC Rules, or violation of Type Acceptance requirements of Part 2 of the Rules. You should read and understand Part 95 (included with this unit) of the FCC Rules and Regulations, before operating your Cobra radio, even though the FCC no longer requires you to obtain an operators license. Whats included with your CB Radio: 1. CB transceiver 6. FCC rules 2. Microphone. (not pictured) 3. Transceiver bracket 1. 4. Microphone bracket 5. Operating Manual


CB Tranceiver
Ingenious Products for Easier Communication.

Controls and Indicators

1. Microphone Connector. 2. Off/On/Volume. 3. Squelch. 4. Channel 9/Channel 19 5. CB/Weather 6. Channel Selector Button. 7. LED Channel Display. 8. S/RF Power Meter.
9. WX Indicator LED. 10. TX Indicator LED. 11. RX Indicator LED. 12. Scan Button. 13. SoundTracker Button. 14. Dual Watch Button. 15. Microphone Back Side
18 WX ST II 16. Antenna Connector
17. External Speaker Connector 18. Power Cord

Our Thanks to You

Thank you for purchasing the Cobra 18 WX ST II CB Radio Transceiver. Properly used, this Cobra product will give you many years of reliable service.
Cuts Static coming in, adds Punch going out! Technology that dramatically improves the transmission and reception of CB radio signals. The revolutionary SoundTrackerTM System reconfigures the transmission signal which allows it to be transferred more effectively through cluttered airwaves. At the same time, it significantly reduces the amount of static on all incoming CB signals. The end result is a clearer, cleaner sounding reception of signals and a more powerful transmission which dramatically improve CB communications. Customer Support Should you encounter any problems with this product, or not understand its many features, please refer to this owners manual. If, after referring to the manual, you still need help, call Cobra Customer Service at 773.889.3087.
Cobra Customer Service Live operators are available M-F 8:00 am 6:00 pm Central Time at 773.889.3087 Automated Technical Assistance available 24 hours a day, seven days a week. E-mail questions to: Cobra on the World Wide Web: Frequently Asked Questions (FAQ) can be found at:


RIARADAR - Reparao e Comrcio de Equipamentos Electrnicos Martimos, Lda Rua D. Duarte, n63 R/C ESQ * 3830 - 648 Gafanha da Nazar Telef: 244 * Fax 245 Mail:
Cobra 18 WX ST II Mobile CB
40 channel Soundtracker, 10 NOAA weather channels Dual Watch, Front Firing Speaker
Outstanding Features of the 18 WX ST II: Feature Scan DW (Dual Watch) 10 Weather Channels Instant Channel 9 and 19 SoundTracker System Last Channel Retention Heavy-Duty Dynamic Microphone with 9 Foot Cord Electronic Tuning RX Indicator TX Indicator WX Indicator 4 Pin Screw-On Mic Connector Power Squelch Control LED Signal Strength Meter Front Mounted Speaker Large LED Channel Display Benefit Activates scan, all 40 channels Monitors 2 pre-selected channels simultaneously Receive immediate, up to the minute weather information 24 hours a day Instant access to Emergency Channel 9 and 19 Activates SoundTracker Noise Reduction System Saves last channel used in Memory Contoured microphone with dynamic voice response circuitry Quick, accurate tuning of all 40 CR Channels and 10 Weather Channels Indicates receiver is on stand-by Shows red when CR is in transmit mode (TX) Illuminates when in weather receive mode Convenient removal of mic for storage and easy reach from anywhere inside the vehicle On/Off and volume control Eliminates background noise in the absence of a signal Indicates incoming signal strength and output power Designed to give you clear reception of incoming calls regardless of installation or ambient noise For greater readability
Capital Social 25.000 Euros * Mat. Na C.R.C. lhavo sob o n 1700 * Contribuinte n 997


Technical specifications

Full description

Cobra Electronics is a leading global manufacturer of innovative mobile communications products for consumers, having attained a leadership position in every market in which it currently does business. Cobra maintains its market dominance by maximizing its competitive advantages of being a product innovator and applying cutting-edge technologies. The 18 WX ST II CB radio features SoundTracker Noise Reduction System. While previous systems only "blanked out" or limited noise in higher sound frequencies, the revolutionary new SoundTracker System actually reduces noise while leaving the signal intact in the reception mode. In the transmission mode, it actually strengthens the signal, providing you with a significant reduction in noise on reception and transmission.

Product TypeCB radio
Width7 in
Depth6.5 in
Height1.9 in
Weight2.2 lbs
Body ColorBlack
Radio System
Power4 watts
ControlsPower/volume knob, channel selector knob, emergency button, squelch knob, CB/weather switch, dual watch button, channel scan button, push-to-talk (PTT) button
IndicatorsTX, RX, WX
Two-Way Radio Display InformationSignal strength indicator, channel indicator
FCC Licensing RequirementsNot required
Radio System Features
Channel ScanYes
Weather Channels10 NOAA weather channels
TypeLED display
Connections1 x microphone jack 1 x antenna 1 x speaker jack 1 x DC power input
Included AccessoriesMounting kit, external microphone
Manufacturer Warranty
Service & Support2 years warranty
Service & Support DetailsLimited warranty - parts and labor - 2 years
Universal Product Identifiers
BrandCobra Electronics
Part NumberC18-WXSTII



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