User's Manual

Trimble R7/R8 GPS Receiver User Guide 109
Setting up the Receiver 13
Trimble R8 GPS Receiver Operation
131.2 Lower housing
Figure 13.2 shows the lower housing of the Trimble R8 receiver. The
lower housing contains the two serial ports, one TNC radio antenna or
GSM antenna connector (depending on the internal communication
module ordered), the removable battery compartment and the 5/8-11
threaded insert.
Figure 13.2 Trimble R8 receiver lower housing
Port 1
Port 2
Radio
antenna
connection