5-Volt Active GPS Antenna for USRP X300/X310 and B200/B210$77.00 USD
GPS ANTENNA, MAGNETIC MOUNT, 5M CABLE WITH SMA
This is a 5V active GPS antenna intended for use with the Board-Mounted GPSDO (OCXO) or Board-Mounted GPSDO (TCXO). A GPSDO locked to the GPS constellation can provide time synchronization within 50 ns of the global GPS standard and very high clock accuracy.
Note: This antenna is NOT compatible with the GPSDO used with USRP N200/N210.