Industrial Cellular Modem

CGT341

1*RS232/485/422 port for transferring data over the mobile network (LTE Cat-1 solution)
Allow the upper computer to configure/query device parameters through serial AT commands
Support remote configuration/query of device parameters through COME-STAR Cloud platform
Support multiple operating modes: Simple Transparent Transmission, Alibaba MQTT, Modbus, DDP/DC protocol
Simple Transparent Transmission mode supports TCP/UDP Server and TCP/UDP Client
Support heartbeat and registration packet functions, including ICCID, IMEI, user-defined data types in both hexadecimal and string formats
Feature automatic reconnection in case of network disconnection
Support network data reception timeout disconnect and reconnection functionality
Fanless design, case heat dissipation
Independent hardware watchdog design to prevent system crashes

CGT351

1*RS232/485/422 port for converting to 4G wireless signal (LTE Cat-4 solution)
Allow the host computer to configure/query device parameters through serial AT commands
Support remote configuration/query of device parameters through COME-STAR Cloud platform
Support multiple operating modes: Simple Transparent Transmission, Alibaba MQTT, OneNET MQTT protocol, Modbus protocol, DDP/DC protocol
Simple Transparent Transmission mode supports TCP/UDP Server and TCP/UDP Client
Support heartbeat and registration packet functions, including ICCID, IMEI, user-defined data types in both hexadecimal and string formats
Feature automatic reconnection in case of network disconnection
Support network data reception timeout disconnect and reconnection functionality
Independent hardware watchdog design to prevent system crashes

CGT371

Support 1 RS232/485/422 port for converting full-network 4G wireless signals
Support configuration/query of device parameters by the upper computer through serial AT commands
Support remote configuration/query of device parameters through CS cloud platform
Support multiple operation modes: simple transparent transmission, Alibaba MQTT, China Mobile OneNET MQTT protocol, Modbus protocol, DDP/DC protocol
In simple transparent transmission mode, support TCP/UDP Server and TCP/UDP Client
Support heartbeat and registration packet functions, including ICCID, IMEI, user-defined data types, etc. User-defined types can be in hexadecimal or string format
Support automatic reconnection in case of network disconnection
Feature an external independent hardware watchdog design to prevent system crashes

CGT541-E

1xRS232/485 port for transferring data over the mobile network (LTE Cat-1 solution)
9-36V wide power supply range
LTE Cat 1 & GSM
Transparent transmission and AT command mode
HTTPS, MQTTS, SMS
SMS, NET, Serial AT command configuration
FTP Upgrade and FOTA self-upgrade
Socket Distribution Protocol

CGT541R-E

CGT571

Support dual Ethernet ports, 1xRS232 and 1xRS485
Ethernet ports support 1.5KV isolation transformer protection
Support IPsec VPN, PPTP, L2TP, OPENVPN, GRE etc., ensuring secure data transmission
Support 2G/3G/4G network all over the world, support APN/VPDN sim card
Support firewall functions including NAT, access control, DDoS defense, DMZ, IP-MAC binding, etc., protecting the network against external attack

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