3G GPRS Americas Dual-band UMTS/ HSxPA (WCDMA/ FDD) 850/1900 MHz and quad-band GPRS/EDGE Class 12, Open, 2 GPIO, RTC back-up, voice support, LED reception signal indicator, gpsOneXTRA, mini-USB interface and easy graphical PC configurator, Metal Casing, Industrial Temperature range.
M100 Series Modbus (3G or Verizon CDMA) allows legacy and new Modbus RTU/ASCII slave devices with RS-232 serial ports to operate on a TCP/IP network as full Modbus TCP slaves. All Modbus TCP devices on the network can share access to the Modbus ASCII/RTU device.
Traditional Modbus RTU/ASCII master devices also can be connected to TCP/IP networks using Maestro 100 Series, making the device appear to be a full Modbus TCP master on the network. It can directly access Modbus TCP slave devices. It also can access other Modbus RTU/ASCII slaves that are connected to the network via other Maestro modems, as if it is talking directly to a Modbus RTU/ASCII slave. (Consult us for master mode)