Specifications: From routine efficiencies to critical, life-threatening situations, you can rely on Motorola Professional Radio Series -ATS2500 to help meet your vital communications needs. Both the non-keypad and advanced keypad model ATS2500 radios are designed for use in the Smartnet/Smartzone trunking systems and each comes with Smartzone software packages that offer users a wide range of features and capabilities. GENERAL SPECIFICATIONS VHF UHF 800MHz Frequency 136-174 MHz 330-400 MHz 403-470 MHz 450-527 MHz 800 MHz Dimensions with Standard Hi Cap NiMH Battery (Model 1) (Model 2) 137 x 57.5 x 37.5mm x 420gm 137 x 57.5 x 37.5mm x 428gm Power Output 136-174 1-5W 330-400 1-4W 1-4W 1-2.5W Channel Spacing 12.5/20/25 kHz 12.5/20/25 kHz 25 kHz