Icom IC-M412 Instruction Manual - Page 61

10 SPECIFICATIONS AND OPTION n Specifications 1 2 D General D Transmitter • Frequency coverage : Tx 156.025-157.425 MHz • RF output power : 25 W (High)/1 W (Low) 3 • Mode Rx 156.050-163.275 MHz : FM (16K0G3E), DSC (16K0G2B) • Modulation system : V ariable reactance frequency 4 modulation • Max. frequency deviation : ±5.0 kHz 5 • Channel spacing : 25 kHz • Current drain (at 13.8 V) : T X high 5.5 A max. Max. audio 1.5 A max. • Spurious emissions : Less than 70 dBc (High) Less than 56 dBc (Low) 6 • Adjacent channel power : More than 70 dB 7 • Power supply requirement : 13.8 V DC (negative ground) • Frequency stability : ±10 ppm • Audio harmonic distortion : Less than 10% (at 60% deviation) 8 • Operating temp. range : -20°C to +60°C; -4°F to +140°F • Residual modulation : More than 40 dB 9 • Antenna impedance : 50 ø nominal • Input impedance (MIC) : 2 kø • Audio frequency response: +1 to -3 dB of 6 dB/octave range from 300 to 2500 Hz 10 • Output impedance (audio) : 4 ø • Dimensions : 164(W) × 78(H) × 139.5(D) mm (Projections not included) 6 15⁄32(W) × 3 1⁄16(H) × 5 1⁄2(D) in D Receiver • Receive system 11 : D ouble conversion 12 • Weight : Approximately 1060 g; 2.4 lb superheterodyne 13 • Sensitivity (12 dB SINAD) : -120 dBm (typical) • Squelch sensitivity : Less than -115 dBm 14 • Intermodulation rejection ratio : More than 70 dB 15 • Spurious response rejection ratio : More than 70 dB • Adjacent channel selectivity : More than 70 dB 16 • Audio output power : 4 .5 W typical at 10% distortion with a 4 ø load All stated specifications are subject to change without notice or obligation. 53