GENERAL Frequency Range ................................................. 136 to 174MHz Number of Channels ............................................ 160 channels Channel Spacing .................................................. Wide : 25kHz, 30kHz, Narrow : 12.5kHz, 25kHz (PLL channel step 5kHz, 6.25kHz, 7.5kHz) Battery Voltage .................................................... 7.5V DC ± 20% Battery Life .......................................................... 10 hours at 5W (5-5-90 duty cycle) Temperature Range ............................................. –30°C to +60°C (–22°F to +140°F) Dimensions and Weight ...................................... 6-3/32" (155mm) H x 2-5/16" (58mm) W x 1-1/2" (38mm) D, 1.25 lbs (565g) With Keypad Model ........................................ 6-3/32" (155mm) H x 2-5/16" (58mm) W x 1-9/16" (39.5mm) D RECEIVER (Measurements made per EIA standard EIA-603) Sensitivity EIA 12dB SINAD ............................................. 0.25μV 20dB Quieting ................................................. 0.35μV Selectivity ............................................................ Wide : –75dB, Narrow : –70dB Intermodulation.................................................... Wide : –75dB, Narrow : –68dB Spurious and Image Rejection............................. –75dB Audio Power Output ............................................ 500mW at less than 3% distortion Frequency Stability .............................................. ±0.00025% from –30°C to +60°C Channel Frequency Spread ................................. 38MHz TRANSMITTER ( Measurements made per EIA standard EIA-603) RF Power Output ................................................. Hi : 5W, Low : 1W Spurious and Harmonics...................................... –70dB Type of Emission ................................................. F3E, ±5kHz for 100% at 1000Hz FM Noise ............................................................. Wide : –45dB, Narrow : –40dB Audio Distortion ................................................... Less than 3.0% at 1000Hz Frequency Stability .............................................. ±0.00025% from –30°C to +60°C Channel Frequency Spread ................................. 38MHz