... ,AT Command 16 ports sending bulk sms modem / gsm modem Brief introductionGSM MODEM pool also known as "SMS cat pool ... and institutions· Large hospitals, large bookstore· Newspaper, television and radio stations· Oil Company ( other chain business model) · Government ... 5, industrial chassis, elegant shellKey FeaturesUSB/RS232 GSM modem poolBased on Wavecom industrial modules Q24plus,Q2406,Q2303,Q2403GSM ...