Dual XGPS-150A in excellent shape. Price is $60 + actual shipping cost. CONUS Only

I only used this a couple of times.

The Dual Bluetooth XGPS150A features:

Completely portable
Wirelessly connects to devices via Bluetooth
High-sensitivity GPS receiver works with most apps that require GPS
Built in rechargeable battery. The battery powers the GPS for up to 8.5 hours of continuous use and recharges in about 3 hours.
Works with a huge number of apps
Turns your iPod touch, iPad, iPhone, or other device into a global navigation device
Provides location anywhere in the world
Dramatically reduces the battery drain on your phone or other device
Small - only 2.25” square, 0.75” deep. 1.8 ounces.
Includes:

Non-slip dashboard pad
Adjustable strap to attach to an arm or a backpack
12-30 Volt cigarette lighter charger
Technical Highlights:

WAAS/EGNOS compatible
Accuracy: +/-2.5m (CEP)
Fast location acquisition times: under 30 secs (warm or cold start)
Position updates: at least once per second
Maximum speed: 1000 kts / 1150 mph
Maximum altitude: 18,000 m / 59,000 ft
Supports both NMEA and Apple protocols
Firmware updateable through USB port
Recharges in 2.5 hours