DIN-Rail series launched by Jinan USR IOT Technology Limited, include Serial to
Ethernet converters, 4G LTE Cat 1 modem and 4G industrial routers. Their
built-in 35 mm DIN rail seat applies to all DIN-Rail installation scenarios. USR-DR502-E is shown as following
●9-36V wide power supply range
●LTE Cat 1 & GSM with sim card slot
●Transparent transmission and AT command mode
●HTTP,MQTT,SMS
●SMS,NET,Serial AT command configuration
●FTP Upgrade and FOTA self-upgrade
●Socket Distribution Protocol