P/N 7010-1004
A-11
Internal Topcon UHF Modem General
Specification Details
Table A-5 lists the Digital UHF modem’s general specifications.
Protocol
FH915, FH915+
Transmitter (TX)
Carrier power
250 mW (24 dBm)/1 W (30 dBm), user selectable
Receiver (RX)
Sensitivity
-105 dBm at 10-4 BER
Dynamic range
105 dBm
Data communications
Serial interface
RS232
Serial data rate
9600, 19200, 38400, 57600 bps, user selectable
Effective radio link
rate
9600, 10200, 17000, 51000 bps
User selectable for FH915; automatic selection for
FH915+
Error correction
FEC (15.7), majority decoding
Antenna Type
Type
1/2 wave articulating whip
Connector
Reverse polarity TNC
Gain
2.5 dBi
Table A-5. GR-5 Digital UHF Modem General Specifications
Parameter
Specification
Operating frequency range
country/region/purpose dependent
410-470 MHz
Modulation techniques
GMSK, DBPSK, and DQPSK
Channel spacing
12.5 kHz/25 kHz
Table A-4. Internal TPS Spread Spectrum Specifications (Continued)
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Summary of Contents for GR-5
Page 1: ... PERATORlS ANUAL ...
Page 2: ......
Page 4: ...ECO 4074 ...
Page 9: ...Table of Contents P N 7010 1004 v WEEE Directive C 2 Appendix D Warranty Terms D 1 Index ...
Page 10: ...Table of Contents GR 5 Operator s Manual Notes vi ...
Page 16: ...Preface GR 5 Operator s Manual Notes xii ...
Page 18: ...Introduction GR 5 Operator s Manual 1 2 Figure 1 1 GR 5 Receiver ...
Page 44: ...Introduction GR 5 Operator s Manual Notes 1 28 ...
Page 99: ...Configuring the Receiver Using TRU P N 7010 1004 3 27 Figure 3 24 Add New Message ...
Page 121: ...MINTER Configuration P N 7010 1004 3 49 Figure 3 42 MINTER Tab ...
Page 122: ...GR 5 Configuration GR 5 Operator s Manual 3 50 ...
Page 170: ...Troubleshooting GR 5 Operator s Manual Notes 6 12 ...
Page 188: ...GR 5 Operator s Manual Notes A 18 ...
Page 192: ...GR 5 Operator s Manual Notes B 4 ...
Page 196: ...GR 5 Operator s Manual Notes D 2 ...
Page 201: ......