User Manual

VoiceXtender Modem Installer’s Guide
Specifications
A-6 Rev. A - 8/97
Table A-10
RF Channel Frequencies - AirLink VoiceXtender VX64
Channel Number Frequency (MHz)
1 904.600
2 907.199
3 909.799
4 912.398
5 914.998
6 917.597
7 920.196
8 922.796
9 925.395
Table A-11
Receiver Specifications
Parameter Specification
Acquisition Time during preamble bits
Noise Figure 5 dB maximum
Receive Sensitivity -98 dBm (@ SINAD 30-36 dB over 200-3400 Hz)
Receive Overload Threshold > -10 dBm
C/I (Carrier Over Interference)
Tolerance
0 dB*
*This number is an average value for 9 uniformly spaced discrete frequencies in
the band defined by: f
c
- f
chip
to f
c
+ f
chip
where f
chip
is 2.56 Mbps.
CAUTION When testing the radios prior to installation, do not connect the antenna connector of one
radio to the antenna connector of another radio. Doing so can cause severe damage to
the receiver.