ComNav T300+CGSurvey - Radio Mode

ComNav T300 + CGSurvey User Guide
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5.2 Radio Mode
Radio mode is that the correction data is transmitted via radio communication in real
time. ComNav T300 GNSS Receiver is equipped with internal transmitting & receiving
radio, the following will explain T300 T/x + T300 R/x RTK operation.
T300 Internal Radio Specifications:
Radio parameter
Specifications
Frequency range
Tx range: 458 MHz-469 MHz， Rx range: 450-470MHz
Protocol
Transmit mode: Transparent
Receiving mode: MAC(compatible with CHC protocol), TT450S,
Transparent and south protocol.
Airlink rate
9600 bps
Bandwidth
12.5kbps
Power
0.5, 1, 2 Watt adjustable
Work distance
3-4km, depends on environment and power setting
Prerequisites
 Two kits T300 GNSS receiver
All T300 GNSS receivers can be worked as either Base or Rover.
 Use external power source and power cable to supply power to T300 Base
station (When T300 in base mode and transmitting via internal radio, the