User's Manual
Table Of Contents
- About this document
- Safety Information
- General Radio Operating Procedures
- CMD Technical Description
- CMD Installation (19” rack mount only)
- CMD Programming
- CMD Front Panel Indicators
- CMD Specifications
CMD Specifications
ELECTRICAL SPECIFICATIONS
CMD VHF CMD UHF CMD 800
Frequency of Operation 136 – 174 MHz 403 – 512 MHz 806 – 960 MHz
Sensitivity -120 dBm -117 dBm
Input Carrier Detection Threshold -120 to -50 dBm -117 to -50 dBm
Carrier Detection Adjustment Step 1 dB
Max. Gain Range (Programmable)
Translator
On-Channel Repeater
70 to 165 dB
70 to 140 dB
AGC Range 100 dB
Output Power
75 mili-Watts to 35 Watts
Duty Cycle 100%
Output Frequency Stability Tracks Input Signal Frequency
Modulation Types Narrowband FM Voice and Data
Channel Spacing 25 kHz / 12.5 kHz
Selectivity 25kHz / 12.5kHz >80 / > 70dB
Receiver Spurious Response Rejection > 70 dB
Receiver Conducted Spurious
Emissions
< -57 dBm
Transmitter Conducted Spurious
Emissions
< -20 dBm
Transmitter FM Hum and Noise > 45 dB
Input / Output Impedance 50 Ohms
Input / Output VSWR < 1.5 : 1
Power Supply Voltage 22 to 28 VDC
Power Supply Current Drain
Standby
Transmit
< 0.3 A
< 4 A
MECHANICAL SPECIFICATIONS
RF Connectors SMA female
Environmental 90% humidity @ 50 °C (122°F)
Operating Temperature Range -30 to +60°C (-22 to +140°F)
Dimensions [H x D x W] 260 x 225 x 75 mm (10.25” x 8.86” x 2.95”)
Weight 4.09 kg (9 lb)
8A074X06 Rev. Preliminary Page 15 of 15
21/08/2003