Service Manual

4. Specification
4.1 General Specification
4.1.1 Transmit/Receive Frequency Interval : 45 MHz
4.1.2 Number of Channels (Channel Bandwidth)
CDMA : 20 CH (BW: 1.23MHz)
41.3 Operating Voltage : DC 6V
4.1.4 Operating Temperature : -30
°
°°
°
~ +60
°
°°
°
4.1.5 Frequency Stability : ±300 Hz
4.1.6 Antenna : Whip antenna, 50
Ω
ΩΩ
Ω
4.1.7 Size and Weight
1) Size : 102mm x 80mm x 36mm (L x W x D)
2) Weight : About 180g
4.1.8 Channel Spacing :
1.25MHz
4.2 Receive Specification
4.2.1 Frequency Range
Digital : 869.04 MHz ~ 893.97 MHz
4.2.2 Local Oscillating Frequency Range : 966.88MHz
±
12.5MHz
4.2.3 Intermediate Frequency : 85.38MHz
4.2.4 Sensitivity :
-104dBm Under
4.2.5 Selectivity
CDMA : 3dB C/N Degration (With Fch
±
1.25 kHz : -30dBm)
4.2.6 Spurious Wave Suppression : Maximum of -80dB
4.2.7 CDMA Input Signal Range
•
••
•
Dynamic area of more than -104~ -25dBm : 79dB at the 1.23MHz band.