34 OEM4 Family Installation and Operation User Manual Rev 12Chapter 3 Installation and Set UpFigure 11: OEM4-G2 Connector and Indicator Locations.Reference Description1 Power, data, and signal connector (40 pin dual row male connector with0.025î square pins and 0.1î spacing)2 LED status indicator3 RF signal input and LNA power output (MMCX female connector)4 External oscillator input (MMCX female connector)3.2.2 Mounting the GPS AntennaOnce the GPSCard is installed in a wiring harness and enclosure, the antenna to be used with thereceiver must be mounted. The GPS receiver has been designed to operate with any of the NovAtelsingle-frequency or dual-frequency GPS antenna models. See Section 3.1.1 on Page 28 for moreinformation.When installing the antenna system:• Choose an antenna location that has a clear view of the sky so that each satellite above thehorizon can be tracked without obstruction. (For a discussion on multipath, see Appendix D,Multipath starting on Page 154.)• Mount the antenna on a secure, stable structure capable of safe operation in the specificenvironment.3.2.3 Connecting the Antenna to the ReceiverConnect the antenna to the receiver using high-quality coaxial cable, as discussed in Section 3.1.2 onPage 29.1324
