Modem

GTM-200M CR is a modem converter that bridges RS-232 or USB 2.0 hosts, such as PLCs and PCs, to a cellular link. It is supplied without a built-in modem, so you select a communication module to match the field requirements and the frequency bands in use.An integrated library handles the command set of the communication modules, so application developers can concentrate on their own software rather than vendor-specific commands. The unit supports standard AT commands, and SMS transmission and 3G/4G connection can be set up through the library.A metal, DIN-rail mountable housing and an isolated digital input for resetting the system suit installations in harsh environments. The unit operates from -25 ℃ to 70 ℃ and is supplied with drivers for Windows 10 x64 and Windows 11.ApplicationsWireless high-speed data transmission from serial or USB equipmentSMS-based alarm and command transmission3G/4G connection for remote industrial equipmentRemote system reset via digital input

The GTM-204M-4GC CR is a DIN-rail cellular modem for engineers who need to link a PLC or PC to remote equipment over mobile networks. It supports 4G LTE, 3G WCDMA and 2G GSM connections and can carry data, SMS and voice, with TCP Server, TCP Client and UDP Client connection stacks available for the application.Control is handled through standard AT commands over the RS-232 port, which runs from 9600 to 115200 bps, or through the high-speed USB 2.0 interface. A digital input is provided for resetting the system, and status LEDs show power and 2G/3G/4G network activity. The metal housing is rated for an operating range of -25 ~ +70 °C.The CR suffix identifies the variant built for the China frequency band, so check the band support against your deployment region before ordering.ApplicationsRemote data monitoring and controlWater, gas and oil flow meteringPower station monitoring and controlOil field, weather forecast and environmental monitoringStreet lamp monitoring and controlFleet managementVending machine connectivityVehicle logistics and diagnostics

The GTM-204M-4GE is an industrial cellular modem that links serial and USB equipment to 4G LTE, WCDMA and GSM networks. It suits remote data collection and transmission where a PLC or PC needs to send data, SMS or voice over a mobile connection without a fixed line.The modem offers an RS-232 port and a high-speed USB 2.0 interface, and it can be driven with standard AT commands. TCP Server, TCP Client and UDP Client connection modes are supported, so engineers can integrate it with existing host software. A digital input, electrically isolated, is provided for resetting the system.The metal housing is designed for DIN-rail mounting and for operation in harsh environments, with an operating range of -25 to 70 °C. Status LEDs show power and 2G/3G/4G network activity.ApplicationsRemote data monitoring and controlWater, gas and oil flow meteringPower station monitoring and controlOil field, weather forecast and environmental monitoringStreet lamp monitoring and controlFleet managementVending machine connectivityVehicle logistics and diagnostics

GTM-205M CR is an M.2 to USB converter for engineers who need a cellular data link on a DIN rail. This variant ships without a built-in modem, so you install the communication module that matches the frequency bands used at your site. The unit connects to the host over a USB 3.1 Super Speed Plus interface.The converter responds to standard AT commands, and an integrated library is provided to simplify application development. It can be paired with a range of PLCs and PCs, with the library supporting SMS sending and 4G/5G connectivity, so development effort can focus on the application rather than on the command set of each module.A digital input channel, isolated to 3750 Vrms, can reset the system. The metal housing is rated for operating temperatures from -25 ℃ to 70 ℃ and is supplied with Windows 10 x64 and Windows 11 drivers.ApplicationsWireless high-speed data transferSMS messaging from PLCs and PCs4G/5G connectivity for remote industrial sites

GTM-205M-5GC CR is a DIN-rail mounted industrial 5G modem that lets PAC and PC applications send and receive data over cellular networks. It supports 5G SA/NSA bands as well as 4G and 3G global bands, so a single unit can be used where the local network type varies.Connectivity is provided through a USB 3.1 Super Speed Plus interface, with a single RS-232 port for a software-initiated system reset. The modem supports standard AT commands and can open TCP server, TCP client and UDP client connections over 5G or 4G. A digital input, isolated to 3750 Vrms, can be used to reset the system.This variant is the RoHS compliant version for China. The metal casing and an operating range of -25 ~ +70 °C suit cabinet installations where a compact cellular link is required.5G SA/NSA and 4G/3G global band supportUSB 3.1 Super Speed Plus interface, drivers for Windows 10 x64 and Windows 11TCP server, TCP client and UDP client connections over 5G/4GStandard AT command set for control and SMSIsolated digital input for system reset, 3750 VrmsMetal DIN-rail housing, 28 x 78.5 x 100 mmApplicationsRemote data transfer from PAC and PC applications over cellular networksSMS-based messaging from automation systemsCellular connectivity for distributed or remote industrial sites

The GTM-205M-5GE CR is an industrial cellular modem for sending data over 5G SA/NSA, 4G and 3G networks, with SMS messaging supported. It suits engineers who need to connect PAC or PC-based applications to a cellular network without building their own radio hardware. Connection to the host is through USB 3.1 Super Speed Plus, and the unit supports standard AT commands.Remote connectivity is handled through TCP server, TCP client and UDP client connections over 5G or 4G. The modem includes one isolated digital input that can be used to reset the system, plus an RS-232 port that is used only for software reset. The metal casing is designed for DIN-rail mounting.This ordering code carries the marking 'Asia Only, Except China' in the source data, so confirm regional availability before specifying it for a European project. For the full 5G NR, LTE and WCDMA band lists, refer to the specification table on this page.ApplicationsRemote data transfer from PAC applications over cellular networksRemote data transfer from PC applications over cellular networksSMS-enabled communication alongside 5G, 4G or 3G connectivity

The GTM-205M-5GT CR is a DIN-rail mounted industrial modem that carries data over 5G, 4G or 3G cellular networks. It suits PAC and PC applications that need cellular connectivity and SMS messaging without building the radio link themselves.The modem supports 5G SA and NSA bands along with 4G and 3G global bands. Data can be carried over TCP Server, TCP Client and UDP Client connections, and the unit accepts standard AT commands for control. Connection to the host is through a USB 3.1 Super Speed Plus interface, with drivers listed for Windows 10 x64 and Windows 11.Isolated digital input, rated 3750 Vrms, that resets the systemRS-232 port at 115200 bps, used only for software resetMetal casing measuring 28 x 78.5 x 100 mm (W x L x H)The manufacturer describes this ordering code as Asia only, except China. Check the regional listing before specifying it for a project.ApplicationsRemote data transfer over 5G, 4G or 3G networks from PAC applicationsRemote data transfer over 5G, 4G or 3G networks from PC applicationsSMS-enabled PAC and PC applications

The I-8213W-4GC CR is an industrial 4G LTE modem with integrated GPS, intended for moving data from remote instruments, meters, computers or control systems over cellular networks. It supports FDD LTE B1/B3/B8 and TDD LTE B38/B39/B40/B41, alongside WCDMA, GPRS and SMS.An integrated TCP/IP stack allows controllers with serial ports to reach the network without custom driver development. The module offers TCP Server, TCP Client and UDP Client connection modes over 4G, 3G or GPRS, and accepts standard AT commands.The -4GC variant is the TDD-capable version, labelled for China in the product description. Its sister model, the I-8213W-4GE, covers FDD LTE B1/B3/B5/B7/B8/B20 instead. The module installs on DIN-rail and is rated for -25 to 75 °C operation, and it pairs with WinPAC-8000, LinPAC-8000 or XP-8000 controllers.ApplicationsRemote data transfer from instruments, meters, computers or control systemsSMS, GPRS and 4G connections for PAC-based systemsLive or packet data transfer over cellular networks

The I-8213W-4GE CR is an industrial 4G LTE modem with GPS, suited to moving data from remote instruments, meters, computers or control systems over cellular networks. It supports FDD LTE bands B1/B3/B5/B7/B8/B20, with WCDMA 850/900/2100 MHz and GSM/GPRS fallback, so it can be deployed where LTE coverage is patchy.A built-in TCP/IP stack lets simple controllers with serial ports connect through the modem without developing a dedicated driver. The module accepts standard AT commands and supports TCP Server, TCP Client and UDP Client connections over 4G, 3G or GPRS. Its 32-channel GPS outputs NMEA 0183 v3.01 data for position reporting.This -4GE variant covers the FDD LTE band set listed above and is sold for Asia excluding China. The sister -4GC variant uses FDD LTE B1/B3/B8 with TDD LTE B38/B39/B40/B41 instead. The module is designed to work alongside the XP-8000, WinPAC-8000 and LinPAC-8000 controllers for SMS, GPRS and 4G connections.ApplicationsRemote data transfer from instruments, meters, computers and control systemsSMS, GPRS and 4G connections for PAC-based systemsGPS position reporting with NMEA 0183 output