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Vehicle Installation
RFM-4200-5015 Rev1
23
NOTE: Each antenna has specific installation instructions. Please refer
to the antenna installation instructions for specific requirements
and details.
Mount GPS Antenna (optional)
The iR1200 GPS-Enabled modem comes equipped with a connector for a GPS
antenna. Nextel has tested and recommends using the GPS Magnetic Mount
Antenna (part number 5030-C5-RFM) with the iR1200 Modem.
The following table contains the steps for mounting a GPS antenna.
1 Use an antenna suitable for the GPS of frequency 1575
MHz with an MCX connector and matched for 50-ohm
impedance. (Use only an approved antenna – see list of
Approved Antennas on page 22.)
2 Position the antenna where it has a direct line-of-sight to the
satellite.
3 Mount the antenna according to the manufacturer’s
specifications or instructions.
NOTE: Because of the operating frequencies involved with the GPS
signal, splicing or using adapters to extend the length of the
antenna coaxial cable is not recommended and will likely prevent
the system from operating properly. We recommend that a single
length of coax without splices or adapters be used.
Route and Connect Cables
Approved Cable
The following DC power cable must be used (sold separately, see Accessories
Table for ordering information).
5100-C5-RFM – Vehicle Power Harness