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RoyalTek RGM-3000/REB-3000 GPS Module Operational Manual)
4
RGM-3000L/REB-3000
LNA
SIRF GRF2I
SAW
Filter
SiRF
GSP2e
Flash
Memory
RS232 port (TTL) x 2
Programming I/O port x 7
Control line x 4
GPS.receiver w/o patch
ANT.