Icom IC-M604A Instruction Manual - Page 65

11 SPECIFICATIONS AND OPTIONS ■ Specifications D General • Frequency coverage • Mode • Current drain (at 13.8 V) • Power supply requirement • Frequency stability • Operating temp. range • Antenna impedance • Input impedance (MIC) • Output impedance (audio) • Dimensions (Projections not included) • Weight : TX 156.025-157.425 MHz RX 156.050-163.275 MHz : FM (16K0G3E), DSC (16K0G2B) : TX high (25 W) 5.5 A Max. audio 1.5 A : 13.8 V DC ±15% (negative ground) : ±5 ppm : -20°C to +60°C; -4°F to +140°F : 50 Ω nominal : 2 kΩ : 4 Ω : 220(W) × 110(H) × 109.4(D) mm 8.7(W) × 4.3(H) × 4.3(D) in : Approx. 1400 g; 3.09 lb D Transmitter • RF output power • Modulation system • Max. frequency deviation • Spurious emissions • Adjacent channel power • Audio harmonic distortion • Residual modulation • Audio frequency response : 25 W and 1 W : Variable reactance frequency modulation : ±5.0 kHz : Less than -70 dBc : More than 70 dB : Less than 10% (at 1 kHz, 60% deviation) : More than 40 dB : +1 to -3 dB of 6 dB/octave range from 300 Hz to 3000 Hz D Receiver • Receive system : Double conversion superheterodyne • Sensitivity (12 dB SINAD) : -120 dBm (typical) -120 dBm (typical) (CH 70 receiver) • Squelch sensitivity : Less than -117 dBm • Spurious response : More than 80 dB • Intermodulation : More than 80 dB • Adjacent channel selectivity : More than 80 dB • Hum and noise : More than 40 dB • Audio output power : 5.0 W (typical) at 10% distortion with a 4 Ω load All stated specifications are subject to change without notice or obligation. 10 11 59