Passive GPS Antenna uFL - 15mm x 15mm 1 dBi gain : ID 2461 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Ford SiriusXM and GPS Antenna Splitter - Infotainment %
Amazon.com: Universal GPS Navigation Antenna SMA Aerial Connector Extension Cable for Car GPS Navigation in-Dash Head Unit Stereo DVR-Straight Plug (Straight) : Electronics
External GPS Antenna with Mount | Garmin
GPS Active Antenna With SMA Plug - Copperhill
External GPS Antenna (for Stratus, Garmin)
Adafruit Ultimate GPS Breakout
External GPS Antenna - Handheld
Ceramic Active GPS Antenna for BerryGPS-IMU and BerryGPS-GSM - ozzmaker.com
GPS Antenna for PerformanceBox & DriftBox
Portable GPS Antenna with TNC Connector
External GPS Antenna for TW-F100 / TW-F50
JCN068 Internal Active GPS Antenna Module [JCN068] - $13.98 : Mobile GPS Online - Geoidsoft Inc., GPS solutions - quality & effective - global service
GA 38 GPS/GLONASS Antenna | West Marine
Point-1 GPS Antenna and Heading Sensor | West Marine