HQRP SMA Extension External GPS Antenna for Standard Horizon CP 150, CP 160, CP 170 Antenna - Walmart.com
HQRP External SMA GPS Antenna for Falcom: Active GPS antenna FAL-ANT-3, Active GPS antenna FAL-ANT-4 Antenna - Walmart.com
Amazon.com: 28dB GPS Active Antenna SMA GPS Ceramic Antenna 1575.42MHz Central Frequency High Gain GPS Antenna Low Noise Low Power Consumption : Automotive