Technical Manual

Preliminary Release
Alligator Communications Model 2788 Technical Manual REV2.3 Copyright © 2019 Page 7
TRANSMITTER
RF Power 2 W
Impedance 50 Ohms
Frequency Range 757-758 MHz
Frequency Step Size 1 Hz
Frequency Stability ±1 ppm
Modulation 4GFSK
Symbol Rate 4800 Hz**
Data Rate 9600 bps
Maximum Frequency Deviation 2400 Hz**
Attack Time <1 msec
Release Time <0.5 msec
Bandwidth 6.25, 12.5, 25, or 50 kHz**
RECEIVER
Input Sensitivity -117 dBm at 10
-6
BER
Impedance 50 Ohms
Frequency Range 757-758 MHz
Frequency Step Size 1 Hz
Frequency Stability ±1 ppm
Selectivity 100 dB
Desensitization -60 dB
Intermodulation -75 dB (EIA)
Spurious Image Rejection -80 dB
Bandwidth 6.25, 12.5, 25, or 50 kHz**