... 1,8 port modem pool 2,sending bulk SMS 3,with bulk sms software 4,quad band 5,AT Command gsm/gprs 8 ... chassis, elegant shellBrief introductionThe device built-in 8 wireless modules can b inserted eight SIM cards ... the same time. AdvantagesA, system advantages for 8 port modem pool Wireless GSM/GPRS /MODEM ... for mobile recharge ! Booming your business from here !Welcome to visit our factory. WAVECOM ...