Expansys offers the Dual SkyPro GPS Receiver for iPad and Android Tablets, model no. XGPS160, for $139.99 plus $7.99 shipping. That's tied with our mention from last week as the lowest total price we could find by $2. It is compatible with any Bluetooth-enabled device and features a status tool app, 33-foot range, and the ability to connect to Russia's GLONASS satellite navigation system.