... usb modem 2,sending bulk SMS 3,with bulk sms software 4,quad band 5,AT Command Best quality 16 port usb gsm modem ... & external antenna usb modem description: Our gsm modem is made of ... industrial chassis, elegant shellKey FeaturesUSB GSM modem poolBased on Wavecom industrial modules Q24plus, ... , Insert Sim card into device2, Install Driver. 3, Install Software. We provide free ...