Cpj-30601+gsm900+cdma800+iden/nextel800, gsm850+dcs/gsm1800+pcs/gsm1900+3g(umts)2100+ gpsl1 1575+ lojack+ vhf+ uhf+£¨4g lte/4g wimax is optional£©; Cpj-30602+gsm900+cdma800+iden/nextel800, gsm850+dcs/gsm1800+pcs/gsm1900+3g(umts)2100+ gpsl1 1575+ wi-fi/bluetooth/ Wlan2.4g+ lojack+ vhf+ vhf++£¨4g lte/4g wimax is optional£©; Cpj-30603+gsm900+cdma800+iden/nextel800, gsm850+dcs/gsm1800+pcs/gsm1900+3g(umts)2100+gpsl1 1575+wi-fi/bluetooth/ Wlan2.4g+lojack+4g lte+4g wimax; Remarks: 1 )433/315 for car remote control;2)vhf/uhf for walky-talky; We can do customize frequency according to you request, please email us.