The Commander 3G is a fully integrated GSM telephone certified for operation on the AT&T network. The 231-02-3030-212 model is the 0-button version with a yellow housing. The Commander 3G Series combines cellular connectivity and an internal battery backup to provide a completely wireless communication solution in an IP65, non-metallic housing. The Series also features programmable auto-dialer functions and wall, pole, or desk mounting options. Power supply options include direct 120/240VAC, battery, and solar power.