RFI 150-W-D-DD-H-1 radio modem Operation Manual
Appendix A Technical Specifications
MAN0065 Rev 1.7
21
APPENDIX A
TECHNICAL SPECIFICATIONS
Range
RS-232 Data Rates
110 – 115200 bit/s
RS-232 Interface
Asynchronous, full-duplex
Air Rate
19200 bit/s
Error Correction
Trellis Encoding and 'Soft Decision' Viterbi decoder
Error Detection
16 bit and 32 bit CRC
RF Interface
Full-duplex, data-driven
Maximum RF latency
100ms
Minimum Receiver Decode Level
–113 dBm at a raw bit error rate BER=10
-4
1
Operating Frequency
148 – 174 MHz VHF band
Modulation Type
Nyquist Shaped 4-FSK
Maximum Output Power
5 W (37dBm)
Antenna
BNC to fit required antenna
Power Requirements
10.8V to 13.8V d.c. (negative ground)
Power Consumption
Maximum current drawn when transmitting at 37dBm is 1.3A
Operating Environment
–10
°
C to +60
°
C. Maximum Relative Humidity of 95% (non-condensing) at
+50
°
C.
ACA Identifier
t.b.d.
1
Measured under static channel conditions and nominal test conditions.