What's the best external GPS for pilots? : iPad Pilot News
Navilock Products 60319 Navilock GNS 5870 MFi Bluetooth GPS Empfänger Made For iPhone iPad
Bad Elf GPS for Lightning Connector
Bad Elf Pro Bluetooth GPS Receiver for iPad / iPhone - MyPilotStore.com
Bluetooth GPS Receiver for Android phones and tablets - EcoDroidGPS
GLO™ 2 | Garmin
Bad Elf GPS Pro+ BE-GPS-2300 (iPad / iPhone / iPod)
Bad Elf Pro GPS receiver bluetooth IPAD/IPHONE Bad Elf - Pilotshop
Dual Electronics XGPS150 Universal Bluetooth GPS Receiver for iPad 2, iPad, iPod touch, iPhone and Other Smartphones, Tablets and Laptops (Discontinued by Manufacturer) GPS Accessories - Newegg.com