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while the 3
VBAT is for connecting an external 7-32V DC power supply
Sleeping Current
10x digital optoisolated inputs (see specifications)
3x Audio Cable TRRS — 3ft
Industrial DIN-Rail LTE Cat-1 Cellular RS485 Modem USR-DR502-E Camera-Image while the 3Industrial DIN Rail LTE Cat 1 Cellular RS485 Modem USR DR502 E DIN Rail series launched by Jinan USR IOT Technology Limited, include Serial to Ethernetconverters, 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
