Red version RTU5024 gsm relay sms call remote controller gsm gate opener switch USB pc programmer
Aliexpress UK
There are no call costs, the GSM Gate Opener/Relay Switch rejects the call from the authorized number and then carries out the turn ON/OFF action. GSM Gate, Barrier, Shutter, Garage Door and Door opener.
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Sms Gsm Remote Control Switch Sim800C Stm32F103C8T6 1/2 Channel Relay Module for Greenhouse Oxygen
Aliexpress UK
Add or remove users by SMS Text command. This GSM gate opener features remote on/off switch by authorized free calls, which can be operated from anywhere, no distance limit, very convenient. The GSM Relay Switch answers the call from authorized number then carries out the turn ON/OFF action on the first ".
eBay
RTU5024 Gsm Control Module Switch Automation For Garage Door Access Long Antenna Free Call
Aliexpress UK
Colour White Brand Sunydog Connector gender Male-to-Female Voltage 240 Volts Plug type Type C or Type F Wattage 1 watts * It can be operated anywhere, and no distance limit. * Up to 200 authorized phone numbers. The 1st ~3rd user numbers can receive SMS, and the 4th ~6th user numbers can receive calls when alarm occurs. 1~200 authorized phone numbers can call T201 to turn on/off the Relay0. * External AC/DC power status monitoring, AC/DC power on/off will send SMS and immediately call 6 preset mobile phones. * Timer report can be set every few hours, and its status/value will be automatically sent to 6 preset mobile phones immediately. * Support remote reading of historical data via SMS.
eBay
1 Channel Relay Module SMS GSM Remote Control Switch SIM800C STM32F103CBT6 for Greenhouse Oxygen
Aliexpress UK
1 x G202 GSM Door Opener. GSM frequency: Quad band 850/900/1800/1900 MHz. Antenna: 50ΩSMA antenna interface. Network: 4G. Power consumption: 12V input maximum 50mA/average 25mA. 1 x Gain Antenna. Humidity range: 90% relative humidity.
eBay
1 Channel Relay Module SMS GSM Remote Control Switch SIM800C STM32F103CBT6 for Greenhouse Oxygen
Aliexpress UK
There are no call costs, the GSM Gate Opener/Relay Switch rejects the call from authorized number then carries out the turn ON/OFF action. GSM Gate, Barrier, Shutter, Garage Door and Door opener. GSM Quad-band, can work in the worldwide 2G GSM Networks;.
eBay
2 Channel Relay Module SMS GSM Remote Control Switch SIM800C STM32F103CBT6 for Greenhouse Oxygen
Aliexpress UK
Quad-band, can be used in the global GSM network. GSM frequency: Quad-band 850/900/1800/1900MHz. 1 x G202 GSM Door Opener. Network: 2G. Antenna: 50ΩSMA antenna interface. Power consumption: 12V input maximum 50mA / average 25mA.
eBay
999 users 2G 4G GSM Door Gate Opener Relay Switch Remote Control Door Access Wireless Door Opener By
Aliexpress UK
GSM Quad-band, can work in the worldwide GSM networks, Optional 4G. The GSM Gate Opener rejects the call from authorized number, then the relay will turn ON/OFF on the first ring. 4G-EU: GSM: B2/B3/B5/B8 LTE-FDD : 1/B3/B5/B7/B8/B20/B28.
eBay
GSM Gate Opener Relay Switch Mobile Phone Remote Door Opener Switch By Free Call
Aliexpress UK
Type: RTU5024 Upgrade. Item Type: Gate Opener Relay. GSM Frequency: Quad-Band 850/900/1800/1900MHz. 1 x Gate Opener Relay. Antenna: 50Ω SMA Antenna Interface. 1 x Antenna. Humidity Range: Relative Humidity 90%.
eBay