1,gsm usb modem for gsm sim card 2,sending bulk SMS 3 ... band 5,AT Command 32 channel USB gsm modem for bulk sms DescriptionOur gsm modem is made of Wavcom modules. There ... be demolished 5, industrial chassis, elegant shellKey FeaturesUSB GSM modem poolBased on Wavecom industrial modules Q24plus,Q2406,Q2303,Q2403GSM: ... Any ENQUIRY, contact me freely! support 32 channel GSM usb modem for gsm sim card