Page 3 of 11 King Pigeon Hi-Tech. Co., Ltd. Ver 1.2
GSM/SMS/GPRS/3G/4G
Remote Relay Switch
Model List
Model
GSM/GPRS/3G/4G
Relay Output
Rated Voltage
Rated Voltage
RTU5020
Optional
2
9~36VDC
Optional: 110~220VAC@50Hz
RTU5021
Optional
4
RTU5022
Optional
8
Notice
1
．
Default version is GSM
；
2
．
DIN 35mm Rail installation bracket is optional;
3. For 3G WCDMA and 4G LTE version, please tell our sales where you would like to use them.
1. Brief introduction
The GSM SMS GPRS 3G 4G Remote Relay Switch embedded GSM/GPRS/3G/4G module and high performance MCU
to provide a useful remote control solution. It special for real-time remotely switch on/off equipments through
wireless cellular network.
It provides 2/4/8 Relay outputs for schedules automatically switch ON/OFF devices or remote by SMS or GPRS/3G/4G
networks.
It has been designed as a cost effective, low power, easy use, and reliable controller. It can be used in the
worldwide through the wireless cellular network, operation in anywhere, no distance limitation.
Typically applications:
Street light, pump station, Server room, Warehouse, Transformer stations, BTS room, agriculture, Supervision and
monitoring alarm systems, etc.
2.Safety Directions
Safe Startup
Do not use the unit when using GSM/3G/4G equipment is prohibited or might bring disturbance or
danger.
Interference
All wireless equipment might interfere network signals of the unit and influence its performance.
3. Standard Packing List
Remote Relay Switch X 1; Antenna X 1; AC/DC adaptor (12V1.5A) X1; User Manual X 1.
Note: The package does not include any SIM card.
Optional:
35mm Standard DIN rail fixed Bracket
