User Guide

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2-6
Specification
2-4 800MHz AMPS
GENERAL
Frequency Range
. Transmitter : 824.04°≠848.97 MHz
. Receiver : 869.04°≠893.97 MHz
Channel Spacing : 30kHz
Number of Channels : 832
Duplex Spacing : 45MHz
Frequency Stability : +/-2.5ppm(-30deg°≠ 60deg, -22°£F °≠140°£F)
Modulation/Demodulation
. Voice : FM
. Data : PM
Operating Temperature : -30deg°≠ 60deg, -22°£F °≠ 140°£F
Supply Voltate : 3.8V
TRANSMITTER
RF output power : 27dBm
Carrier ON/OFF conditions
. "ON" Condition : within +/-3dB of specification output(in 2 ms)
. "OFF" Condition : below -60dBm(in 2ms)
Compresssor
. Compression Rate : 2 : 1
. Attack Time : 3ms
. Recovery Time : 13.5ms
. Reference Input : input power level for producing a nominal +/-2.9kHz
: peak frequency deviation of transmitted carrier
Preamphasis : 6dB/OCT within 0.3 °≠ 3 kHz