PMAT4001A All Band VHF/UHF/7-800MHz/GPS Antenna For APX8000 APX7000 APX6000 APX4000 APX3000 APX1000 SRX2200 - AliExpress
MOTOROLA APX2000 RADIO GPS 7/800 MHz Model 2.5 H52UCF9PW6AN APCO P25 Limit Keypa | eBay
Hot Sale 4.3' Car Truck Marine GPS Navigation with Wince 6.0 800 MHz CPU, FM Transmitter, AV-in Rear Camera, Handheld GPS Navigation System - China GPS Navigator, Car GPS Navigation | Made-in-China.com