... /h Free SMS software 32 Ports GSM/GPRS bulk SMS Modem pool---ATC-UTOS-A321, gsm modem2, sending bulk SMS ... slots4, AT Command5. Support Linux and all the operating systemsOverviewGSM MODEM pool also known as "SMS cat pool" in China, USB ... module can be demolished industrial chassis, elegant shellKey FeaturesUSB GSM modem poolBased on Wavecom industrial modules Q2686/Q24plus,Q2406,Q2303,Q2403Cinterion ...