MLA20RPDC Mini GPS Line Amplifier 20dB - NavtechGPS
Gps Antenna Gps Signal Amplifier Receiver+transmitter Usb Connector,amplifying Gps Signal For Navigation System Navigator Phone - Gps Receiver & Antenna - AliExpress
Homemade GPS Receiver
Signal amplifier - GNSS-A-IP67 - Roger-GPS Oy - GPS signal