IC-T22A Specifications This information is taken directly off of the ICOM IC-T22A brochure.
General Frequency Coverage: Tx: 144-148 MHz; Rx: 136-174* MHz (* 144-148 guaranteed) Mode: FM Acceptable power supply: 4.5 to 16 V DC Number of memory channels: 87 (max.) Tuning steps: 5, 10, 12.5, 15, 20, 25, 30 or 50 kHz Dial select steps: 100 kHz or 1 MHz Current Drain (at 13.5 V, typical values): Transmit (high): 1.4 A; Transmit (low): 500 mA Receive (rated audio): 150 mA; Receive (power saved): 15 mA (average) Usable Temperature Range: -10C to +60C; +14F to +140F. Dimensions: (with BP-171 or BP-180): 57(W) x 110(H) x 27(D) mm; 2.25(W) x 4.81(H) x 1.125(D) in Weight: 310 g; 10.9 oz
Transmitter Output power: At 13.5 or 9.6 V: 5 W or 500 mW At 7.2 V (approx.): 3.5 W or 500 mW Modulation system: Variable reactance frequency modulation Spurious emissions: Less than -60 dB Maximum frequency deviation: 5.0 kHz Microphone impedance: 2000 ohms

Receiver

Receive system: Double conversion superheterodyne Intermediate frequencies: 1st: 30.85 MHz 2nd: 450 kHz Sensitivity (typical): Less than 0.16 V Squelch sensitivity (at threshold): Less than 0.16 V Spurious and image rejection: Less than -60 dB Audio output power (at 13.5 V): More than 200 mW (10% distortion with an 8 ohm load) Audio output impedance: 8 ohms
IC-T22A Options Battery Packs and Battery Case: BP-170 BATTERY CASE: AA batteries (batteries not included). BP-171 BATTERY PACK: 4.8 V, 700 mAh. BP-172 BATTERY PACK: 4.8 V, 950 mAh. BP-173 BATTERY PACK: 9.6 V, 650 mAh. BP-180 BATTERY PACK: 7.2 V, 600 mAh.
Chargers: Cables CP-12L CIGARETTE LIGHTER CABLE WITH NOISE FILTER: Allows you to operate the transceiver through a 12 V cigarette lighter socket. Also charges battery packs. OPC-254L DC POWER CABLE: For operating the transceiver with 4.5 to 16 V AD-56 BATTERY PACK ADAPTER BC-74A/E/D/V or BC-110V WALL CHARGER: Regularly charge battery packs. The same as supplied with some versions. BC-79 DESKTOP CHARGER: Rapidly charges battery packs BP-171, BP-172, BP-173 or BP-180. Both AC and DC can be used to power the charger.
DC; also charges battery packs at 12 to 16 V DC. Microphones and Headset HM-46 SPEAKER-MICROPHONE: Compact and lightweight. Equipped with an earphone jack. HM-54 SPEAKER-MICROPHONE: Durable, full-sized. HM-75A REMOTE CONTROL MICROPHONE: Allows you to remotely select memory channels, operating frequency, etc. HS-85 HEADSET: Lightweight headset allows you hands-free operation. Includes VOX, PTT, "one-touch PTT" (TOT). SP-13 EARPHONE: Provides clear audio in noisy environments.
Carrying Cases Others UT-94 TONE SQUELCH UNIT: Provides tone squelch, pocket beep and tone scan functions. MB-30 MOBILE MOUNTING BRACKET: For mounting the transceiver on the inside door panel of a vehicle. LC-125 CARRYING CASE: For use with BP-170, BP-171 or BP-172 LC-126 CARRYING CASE: For use with BP-173 or BP-180