Tragant BT-451 - USB/Bluetooth Combo. Form factor: Wireless Receiver Module, Acquisition times - cold: 34 s, Acquisition times - warm: 33 s. Width: 712 mm, Depth: 41.8 mm, Height: 21.8 mm. Battery technology: Lithium-Ion (Li-Ion), Battery life (max): 19 h, Battery capacity: 1000 mAh. Operating temperature range (T-T): -10 - 60 °C. GPS receiver: ANTARIS4 SuperSense GPS, Interface: USB, Bluetooth