GPS Antenna - External Active Antenna - 3-5V 28dB 5 Meter SMA : ID 960 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Outdoor Timing Antenna - TimeMachines Inc.
Garmin GA 25 Remote GPS Antenna With Mcx Plug For aera 760 / 696 / 695 | Aircraft Spruce
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
GPS/GNSS Magnetic Mount Antenna - 3m (SMA) - GPS-14986 - SparkFun Electronics
Amazon.com: Anina Car Active GPS Antenna for Kenwood DDX/DNX/KNA/DDX Alpine JVC Navigation Radio Compatible with Toyota Honda Nissan : Electronics
GPS On-Glass Antenna
Amazon.com: Geekstory Waterproof Active GPS Navigation Antenna DC 3V-5V, Connectors SMA Male Plug M8030 GPS Antenna 28dB Gain for GPS Module Receiver Tracking : Electronics