The WP820 is a portable WiFi phone designed to suit a variety of enterprises and vertical market applications, including retail, logistics, medical, and security. This powerful, portable WiFi phone comes equipped with integrated dual-band 802.11a/b/g/n WiFi support, advanced antenna design, roaming support, and integrated Bluetooth for pairing with headsets and mobile devices. By adding 7.5 hours of talk time and HD voice with dual MICs, the WP820 offers a powerful combination of features, mobility, and durability to suit all portable telephony needs. The GMC08, a battery charging pack for the WP820 that can charge up to 8 batteries at a time, is available separately.