Lower housing
The following figure shows the lower housing of the SPS985 GNSS smart antenna. The housing
contains one USB port, one TNC radio antenna connector, the removable battery compartment,
and the 5/8-11 threaded insert.
Each item is marked with a number to indicate its main function, as shown in the following table:
Icon Name Connections/Description
1 Label The icon on the label shows if the antenna contains an internal radio or if it
is a Wi-Fi only smart antenna
2 TNC radio
antenna
connection
Communications antenna
3 Label Shows the serial number of the smart antenna
4 Battery door Removable Lithium-ion battery
5 5/8" insert Range pole or quick release adapter
6 Lemo port USB and DC power in
Lemo port is a 7-pin 0-shell 2-key Lemo connector that supports USB communications and external
power input. The Lemo port has no power outputs.
The TNC port connector is for connecting a radio antenna to the receiver internal radio. A whip
“rubber duck” antenna is supplied with the system. This connector is not used if you are using an
external radio receiver. For longer range operation (to provide higher gain and to raise the antenna
SPS985 GNSS Smart Antenna Getting Started Guide 18
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