32 sim card multi-port modem pool at command sms M35 module mms gateway , 32 ports bulk sms gateway Support dual band:900/1800 MHz or quad-band GSM: 850/900/1800/1900 MHzMeet the ETSI GSM 2 + standards Class 4 ( 2W @ 900 MHz) Class 5 ( 1W @ 1800 MHz) 5 -24 VDC power supply (which be directly connected to the nickel- metal hydride or lithium batteries)

• RS232/USB GSM modem pool
• Switched voice and fax
• Comply with GSM phase2 standard
• Cluster send and receive SMS
• Maximum transmitting speed 115KBps

RS232/USB GSM modem poolHibertone