Hamlet HBTGPSOL BT Solar GPS Bluetooth GPS Receiver. Form factor: Handheld, Acquisition times - cold: 120 s, Acquisition times - warm: 42 s. Bluetooth version: 2.0+EDR. Width: 103 mm, Depth: 55 mm, Height: 22 mm. Operating temperature range (T-T): -10 - 70 °C, Storage temperature range (T-T): -40 - 85 °C, Operating relative humidity range: 5 - 95 %. GPS receiver: L1