Stonex S990A GNSS Receiver – User Manual v1.0 52
Appendix 1: Default Radio configuration
The internal radio TRM121 can transmit on the 410-470MHz and 902.4-928
MHz band; users can choose radio channel and radio protocol through the
handheld software or WEB interface. The default frequencies of each channel
is in the following table.
Channel Frequency
1 438.125 MHz
2 440.125 MHz
3 441.125 MHz
4 442.125 MHz
5 443.125 MHz
6 444.125 MHz
7 446.125 MHz
8 447.125 MHz