Icom IC-M506 Instruction Manual - Page 118

13 SPECIFICATIONS AND OPTIONS ■■Specifications DDGeneral • Frequency coverage: Tx 156.025-157.425 MHz Rx 156.050-163.275 MHz CH70 156.525 MHz • Mode: F M (16K0G3E), DSC (16K0G2B) • Channel spacing: 25 kHz • Operating temp. range: -20°C to +60°C (-4ºF to +140ºF) • Current drain (at 13.8 V): TX high 5.5 A maximum Max. audio 5.0 A maximum (With EXT SP) Max. audio 1.5 A maximum (With INT SP) • Power supply requirement: 13.8 V DC ±15% (negative ground) • Frequency tolerance: ±10 ppm (-20°C to +60°C; -4ºF to +140ºF) • Antenna impedance: 50 ˘ nominal • Dimensions: 178.9 (W) × 113.9 (H) × (Projections not included) 113.8 (D) mm 7 (W) × 4.5 (H) × 4.5 (D) inches • Weight (approximately): 1.4 kg; 3.1 lb DDTransmitter • O utput power: • Modulation system: • Max. frequency deviation: • Spurious emissions: 25 W/1 W V ariable reactance frequency modulation ±5.0 kHz  Less than -70 dBc (high) Less than -56 dBc (low) DDReceiver • Receive system: Double conversion superheterodyne • Sensitivity (12 dB SINAD): -13 dBµ (typical) -5 dBµ emf (typical) (CH70/DSC) (1% BER) • Squelch sensitivity: Less than -7 dBµ • Intermodulation rejection ratio: More than 75 dB More than 68 dBµ emf (CH70/DSC) (1% BER) • Spurious response rejection ratio: More than 75 dB More than 73 dBµ emf (CH70/DSC) (1% BER) • Adjacent channel selectivity: More than 75 dB More than 75 dBµ emf (CH70/DSC) (1% BER) • Audio output power: More than 15 W at 10% distor- tion with an external speaker (4 ˘ load) All stated specifications are subject to change without notice or obligation. 109