1.EVDO(CDMA): can support 800/1900MHz HSDPA(WCDMA): can support UMTS 2100/1900/900/850 and GPRS/GSM19 (New model) Pocket 3G wifi router with battery EVDO(CDMA): can support 800/1900MHzHSDPA(WCDMA): can support UMTS 2100/1900/900/850and GPRS/GSM1900/1800/900/850evdo can support 800/1900MHzFEATURES:1:Compatible with 802.11b/g/n standard2:Small enough to fit in the palm of your hand3:3G modem inside ...