The Motorola XiR P8668i is a full-keypad DMR digital handheld radio covering VHF (136-174 MHz) and UHF (403-527 MHz) with 5W and 4W high power output respectively, and storage for up to 1000 channels. It uses the ETSI TS 102 361 DMR protocol with an AMBE+2 vocoder, and pairs an IP68 waterproof rating with built-in GPS, offering a cold-start time-to-first-fix under 60 seconds and horizontal accuracy under 5m. Bluetooth 4.0 (Class 2, 10m range) supports headset, serial port and Motorola fast push-to-talk profiles. Battery life ranges from around 15.5 to 16 hours on the standard 1600 mAh pack up to 28 to 29 hours on the high-capacity 3000 mAh pack, depending on analogue or digital use.