Sell GSM Industrial Modem - 81GR

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VISIONTEK GSM Modem 81GR is a wireless cellular connection for 2-way data communication with a wide variety of remote equipment and Utility applications. VISIONTEK GSM Modem is compliant to high-power, tri band (900/1800/1900MHz) GSM transceiver, ensuring reliable connectivity well beyond the range of conventional cellular phones.

Standard Power source is of AC 90-310 Volts with customized surge protection option. Power supply can be customized to various *DC power sources like 12V, 24V, 48V.

Application Areas

Automated meter reading (AMR)


Substation automation

SCADA Applications

Remote Meter Reading

Wireless data transfer from data loggers, sensors, Recorders, RTU and PLC devices

Electricity boards

System Integrators

Energy, Gas and Fluid Meter manufacturers


Dual band GSM 900/1800MHz

Compliant with ETSI GSM Phase 2+ standard
RS-232 Port

Remote Control by AT Commands

IP-55 Compliant anodised aluminum casing

Visual LED display for Power, Rx/Tx and Network

Input Power (90V~310V A. C. )

115200 bps forward and reverse

Available with AC and DC power supplies

Flexible antenna options

Modem can be polled using SMS