Viper User
Manual (001-5008-000 Rev6)
Page
107
RECEIVER
VHF
UHF
900
RX Frequencies
136 - 174 MHz
406.125 – 470.000 MHz,
450.000 - 511.975 MHz
928 - 960 MHz
25 kHz Channel
12.5 KHz Channel
6.25 kHz Channel
Data Sensitivity @ 10
-6
Bit Error Rate (BER)
(Maximum)
VHF/UHF
-111 dBm @ 16kb/s
-103 dBm @ 32kb/s
900 MHz
-108 dBm @ 16kb/s
-101 dBm @ 32kb/s
VHF/UHF
-114 dBm @ 8kb/s
-106 dBm @ 16kb/s
900 MHz
-109 dBm @ 8kb/s
-103 dBm @ 16kb/s
VHF/UHF
-112 dBm @ 4kb/s
-103 dBm @ 8kb/s
Data Sensitivity @ 10
-6
Bit Error Rate (BER)
(Typical)
VHF/UHF
-114 dBm @ 16kb/s
-106 dBm @ 32kb/s
900 MHz
-111 dBm @ 16kb/s
-104 dBm @ 32kb/s
VHF/UHF
-116 dBm @ 8kb/s
-109 dBm @ 16kb/s
900 MHz
-112 dBm @ 8kb/s
-106 dBm @ 16kb/s
VHF/UHF
-115 dBm @ 4kb/s
-106 dBm @ 8kb/s
Adjacent Channel
Rejection
VHF/UHF
> 75 dB
900 MHz
> 70 dB
VHF/UHF
> 60 dB
900 MHz
> 60 dB
VHF/UHF
> 45 dB
Spurious Response
Rejection
> 75 dB
Intermodulation Rejection
> 75 dB
TX to RX Time
< 1ms
Channel Switching Time
< 15ms (Band-End to Band-End)
Receive Input Power
17 dBm (50mW) max.
MODEM/LOGIC
25 kHz Channel
12.5 KHz Channel
6.25 kHz Channel
Data Rate (Selectable)
16 kbps, 32 kbps
8 kbps, 16 kbps
4 kbps, 8 kbps
Modulation Type
2FSK, 4FSK
Addressing
IP
SETUP and COM Port
Interface EIA-232F
DCE
Data Rate
Setup Port: 300 – 19,200 bps (Default: 19.2 Kbps)
Com Port: 300 – 115,200 bps (Default: 9.6 Kbps)
Display
5 Tri-color status LEDs
Power, Status, Activity, Link, Rx/Tx