An external GPS antenna can be used with the FLEX-6000 GPSDO module. To replace the supplied internal GPS antenna it will need to be a medium gain (26 dB or higher) active GPS antenna. Most GPS antennas require 3.3 to 5 volts of DC power on the coax to power the antenna preamp and the FLEX-6000 GPSDO provides this voltage.
Then GPS antenna connector on the FLEX-6000 is an SMA type connector.
Make sure to install the external antenna as per the manufacturer's recommendations.
Below are examples of external GPS antennas used successfully with the FLEX-6000 GPSDO module.
- Tram 1655 8' Marine GPS Antenna
- PCTEL GPS-TMG-26N
- PCTEL 3978D-DH (high gain for long cable runs)
- Motorola ANTA1 (GCNAC1232A)
- Lucent KS24019 L112A Amplified GPS Antenna
- GlobalSat AT-65SMA
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