GENERAL Frequency Range ................................ 450 to 490MHz Number of Systems ........................... Maximum 32 systems Number of Groups .............................. Maximum 250 groups Channel Spacing ................................. Wide : 25kHz Narrow : 12.5kHz PLL Channel Stepping ........................ 5, 6.25kHz Operating Voltage ............................... 13.6V DC ±15% Current Drain ...................................... Less than 0.4A on standby Less than 1.0A on receive Less than 8.0A on transmit Operating Temperature Range ........... –30°C to +60°C (–22°F to +140°F) Dimensions & Weight ........................ 140 (5-33/64) W x 40 (1-37/64) H x 145 (5-45/64) D mm (inch), 940g (2.07 lbs) Channel Frequency Spread ................ 40MHz RECEIVER (Measurements made per EIA standard EIA/TIA-204-D) Sensitivity (12dB SINAD) .................... Wide : 0.28μV Narrow : 0.35μV Selectivity ........................................... Wide : 80dB Narrow : 65dB Intermodulation................................... Wide : 75dB Narrow : 63dB Spurious Responce ............................. 85dB Audio Power Output ........................... 4.0W Frequency Stability ............................. ±2.5ppm TRANSMITTER (Measurements made per EIA standard EIA-152-C) RF Power Output ................................ 25W Spurious and Harmonics..................... 65dB Modulation .......................................... Wide : 16K0F3E Narrow : 11K0F3E FM Noise ............................................ Wide : 50dB Narrow : 45dB Audio Distortion .................................. Less than 3% Frequency Stability ............................. ±2.5ppm