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Topcon GR-3 - Internal TPS Spread Spectrum Modem Details

Topcon GR-3
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Receiver Specifications
P/N 7010-0736
A-9
Internal TPS Spread Spectrum
Modem Details
Table A-4 lists the internal TPS spread spectrum modem’s general
specifications.
Frequency Country
Code
North America and Europe
Table A-4. Internal TPS Spread Spectrum Specifications
General
Frequency Range
country/region/
purpose dependent
902 to 928 MHz, United States
915 to 925 MHz, Australia
Signal structuring Frequency-hopping spread spectrum
Hopping pattern 5 per band, user-selectable
Hopping channels 128
Occupied
bandwidth
100 KHz
Frequency
modulation
technique
FSK, 64 Kbps
System gain 135 dB
Network topology Point-to-point, Point-to-multipoint
Operation mode Transmitter, Receiver, Repeater
Protocol FH915, FH915+
Transmitter (TX)
Carrier power 250 mW (24 dBm)/1 W (30 dBm), user selectable
Table A-3. Bluetooth Module Specifications (Continued)

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