Icom IC-M424G Instruction Manual - Page 90

10 SPECIFICATIONS AND OPTIONS ■■Specifications DDGeneral • Frequency coverage: Tx IC-M323/IC-M323G IC-M324/IC-M324G Rx IC-M323/IC-M323G 156.000-161.450 MHz 156.025-157.425 MHz 156.000-163.425 MHz • Maximum frequency deviation: ±5.0 kHz • Spurious emissions: IC-M323/IC-M323G Less than 0.25 µW IC-M324/IC-M324G Less than -70 dBc (high) Less than -56 dBc (low) IC-M324/IC-M324G 156.050-163.275 MHz CH70 156.525 MHz • Mode: 16K0G3E (FM) 16K0G2B (DSC) • Channel spacing: 25 kHz • Operating temperature range: -20°C to +60°C; -4ºF to +140ºF • Current drain (at 13.8 V): TX high 5.5 A maximum Maximum audio 1.5 A maximum • Power requirement: (negative ground) 13.8 V DC nominal • Frequency stability: ±1.5 kHz (-20°C to +60°C; -4°F to +140°F) • Antenna impedance: 50 Ω nominal • Dimensions (approximately): 180(W) × 82(H) × 135(D) mm ; 7.1(W) × 3.2(H) × 5.3(D) inches (Projections not included) • Weight (approximately): 1.2 kg; 2.6 lb DDReceiver • Receive system: Double conversion superheterodyne • Sensitivity: FM IC-M323/IC-M323G -5 dBµ emf typical (at 20 dB SINAD) IC-M324/IC-M324G -13 dBµ typical (at 12 dB SINAD) DSC IC-M323/IC-M323G -4 dBµ emf typical (1% BER) IC-M324/IC-M324G -5 dBµ emf typical (1% BER) • Squelch sensitivity: IC-M323/IC-M323G Less than -2 dBµ emf IC-M324/IC-M324G Less than -10 dBµ • Intermodulation rejection ratio: FM IC-M323/IC-M323G More than 68 dB IC-M324/IC-M324G More than 70 dB DSC More than 68 dBµ emf (1% BER) • Spurious response rejection ratio: FM More than 70 dB DSC More than 73 dBµ emf (1% BER) • Adjacent channel selectivity: FM More than 70 dB DDTransmitter • Output power: 25 W/1 W • Modulation system: Variable reactance frequency modulation DSC More than 73 dBµ emf (1% BER) • Audio output power:  IC-M323/IC-M323G More than 2 W at 10% distortion into a 4 Ω load IC-M324/IC-M324G 4.5 W at 10% distortion into a 4 Ω All stated specifications are subject to change without notice or obligation. load 80