GENERAL Frequency Range ............................... 136 to 174MHz Channels / Zone .................................. Max 128 CH / Max 128 zone Channel Spacing ................................. Wide : 25kHz, 30kHz Narrow : 12.5kHz, 15kHz 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 Dimensions & Weight ........................ 6.30 (160) W x 1.70 (43) H x 5.40 (137) D inch (mm), 2.60 lbs (1.18kg) Channel Frequency Spread ................ 38MHz RECEIVER (Measurements made per EIA standard EIA/TIA-603) Sensitivity (12dB SINAD) .................... Wide : 0.28μV Narrow : 0.35μV Selectivity ........................................... Wide : 75dB Narrow : 65dB Intermodulation................................... Wide : 70dB Narrow : 60dB Spurious Response ............................. 75dB Audio Power Output ........................... 4.0W Frequency Stability ............................. ±2.5ppm TRANSMITTER (Measurements made per EIA standard EIA/TIA-603) RF Power Output ................................ High : 25W Low : 5W Spurious and Harmonics..................... 70dB Modulation .......................................... Wide : 16K0F3E Narrow : 11K0F3E FM Noise ............................................ Wide : 45dB Narrow : 40dB Audio Distortion .................................. Less than 3% Frequency Stability ............................. ±2.5ppm