Updated: 17 Feb 2025

gsm controller relays

Explore up to 24% Off

Updated: 17 Feb 2025

#1

Best Choice
Sonew 7 Channel GSM Remote Switch Controller 4G SMS Relay Switch for Power Failure Alarm, SMS/Phone Command(US)

9.7

Sonew

Read more

Main highlights

It will reject the call and turn on the device connected to it without answering, so no call charges will be incurred when dialing this machine. This GSM relay switch has its own number recognition function, and unauthorized numbers will be automatically ignored.

GSM‑RELAY‑4G is a 4G remote control switch connected to the 4G mobile phone network. The switch has seven independent relay switches and you can activates NO.1 relay switch by dialing its cell phone number or sending SMS text.

4G design, through 4G, 3G and GSM, this relay switch can work anywhere in the world and it can carry out remote password and password change. Digital programming can be carried out quickly and easily using SMS or the on-board quick teaching button.
#2

Value for Money
KT-G3-A USA 4G GSM AUTO Relay Switch 12V Solenoid Remote Control Box Wireless Gate Opener 2CH Output HOG Trap Aircraft Pre-Heater System 30A Relay Contact(for AT&T and T-Mobile Volte 2022 New)

9.6

KiaoTime

Read more

Main highlights

USA MULTI-BANDS 4G MODULE enable relay switch device can work with AT&T, T-Mobile 4G and 3G network, NOT work in other countries

FREE CHARGE PHONE CALL No.1 relay can be remote controlled by phone call, no minutes are used as it doesn't actually answer the calls - it recognize caller ID and then reject your phone call to turn on/off the switch automatically

2 CHANNEL RELAY SWICHES with 30A HIGH RELAY CONTACT enable you to control feral hog trap system, auto gate, aircraft engine heater and lights etc. anytime anywhere in the world
Curious about how we select the top products for you? Explore How It Works

How do we rank
Our AI-powered platform ranks products using multiple weighted factors from millions of products and user reviews across the web, providing the most valuable and real data. Higher scores rank first.
#3
GSM Gate Opener, 9-36V Remote Switch Relay Switch Door Opener with Sim Slot, Operator Garage Door Access Controller for Factory Office and Garage

9.4

Sonew

-24%

Read more

Main highlights

SPECIFICATION : Rated voltage: DC9V-36V 1A. Working temperature: -10℃~+60℃. Storage temperature: -20℃~+60℃. Relative humidity: 10-90%, no condensation. Working frequency: Global GSM 3G 4G frequency. Output relay voltage: 5A 250VAC, 7A 125VAC, 20A 14V Switch: Support. Relay port: 5A 250VAC, 7A 125VAC, 20A 14V, 20A 5V

SCOPE OF APPLICATION : Suitable for doors, elevators, garages, parking lots, resorts, control rooms, warehouses, group unattended computer rooms, such as telecom operators, on-site lighting subracks, on-site base stations, traffic controllers and power distribution rooms, etc. Electrical system and field cabinet

CALLS : No call charges, the GSM door opener rejects calls from authorized numbers, and then performs the open/close first. So you can open your gate or garage door with a call from your cell phone

-24%
#4
Sonew 7 Channel GSM Remote Switch Controller 4G SMS Relay Switch for Power Failure Alarm, SMS/Phone Command(EU)

9.2

Sonew

Read more

Main highlights

It will reject the call and turn on the device connected to it without answering, so no call charges will be incurred when dialing this machine. This GSM relay switch has its own number recognition function, and unauthorized numbers will be automatically ignored.

GSM‑RELAY‑4G is a 4G remote control switch connected to the 4G mobile phone network. The switch has seven independent relay switches and you can activates NO.1 relay switch by dialing its cell phone number or sending SMS text.

4G design, through 4G, 3G and GSM, this relay switch can work anywhere in the world and it can carry out remote password and password change. Digital programming can be carried out quickly and easily using SMS or the on-board quick teaching button.
#5
GSM Relay Switch,Remote Control Box, AC DC 1224V Remote Control Box Relay Switch Access Double Channel for GSMKEY4G 4G,3G,GSM (US Version)

9.1

Zoeyilan

Read more

Main highlights

Remote Access: With no range limitations, you can open the door from anywhere using your mobile phone, even from another city, enhancing convenience.

Global Connectivity: Integrated with a professional-grade 4G engine and built-in 4G module, this system works worldwide via 4G, 3G, and GSM networks.

200 User Memory: Stores up to 200 authorized numbers. The system checks if the caller’s number is in the authorized list before opening the door.
#6
4G GSM Gate Opener, 9-36V Remote Switch Relay Switch Door Opener with Nano Sim Slot,Wireless Door Opener by Free Call SMS Command

9.0

WOFALO store

Read more

Main highlights

WIDE APPLICABE. Suitable for doors, elevators, garages, car park, resorts, control rooms, warehouses, unsupervised machine rooms of the group type, such as telecom-operator, on-site lighting subframes, base stations on site, traffic controllers and distribution of electrical system, etc.

HIGH PERFORMANCE. Input : DC9V-36V; One output with relay (3A/240VAC) for connecting the switch of the door or machines.

EATURES. Support: ; 3G; 4G; support to add 1001 authorize users; Support: Free calling to remote control, app control; Relay Close for Time G202 PLUS: 0-999s, G203: 0-9999s; Support relay keep-on, no for time limited; Support to inquiry all users by one command.
#7
GSM Gate Opener, RTU5025 Wireless Remote GSM Gate Opener Operator Garage Door Access Controller, Remote Access Control Door Opener, GSM Remote Control Relay Switch for Door, Garage

8.9

PLLO

Read more

Main highlights

Built-in rechargeable backup battery to ensure work normally even the power outages. Small and compact, support wall installation.

Adopt SMS remote setting parameters, easy to operate and use. Support 999 sets of numbers, each set of numbers can be set in the specified period of time to control the relay.

Adopt 2G network communication, not limited by the distance. Adopt metal shell, class IP30. Metal case and system safety isolation, especially suitable for industrial control field applications.
#8
MGBISYI GSM Gate Opener, 4G G203 GSM Gate Opener,9-36V Remote Switch Relay Switch Door Opener with Sim Slot

8.8

MGBISYI

Read more

Main highlights

SPECIFICATION : Rated voltage: DC9V-36V 1A. Working temperature: -10℃~+60℃. Storage temperature: -20℃~+60℃. Relative humidity: 10-90%, no condensation. Working frequency: Global GSM 3G 4G frequency. Output relay voltage: 5A 250VAC, 7A 125VAC, 20A 14V Switch: Support. Relay port: 5A 250VAC, 7A 125VAC, 20A 14V, 20A 5V

HIGH PERFORMANCE. Input : DC9V-36V; One output with relay (3A/240VAC) for connecting the switch of the door or machines.

EATURES. Support: ; 3G; 4G; support to add 1001 authorize users; Support: Free calling to remote control, app control; Relay Close for Time G202 PLUS: 0-999s, G203: 0-9999s; Support relay keep-on, no for time limited; Support to inquiry all users by one command.
#9
GSM Gate Opener G203 Relay 4G GSM Gate Opener, GSM Gate Remote Controller Switch 3G 4G Garage Door Access Remote Controller Support Remote Restart Reset DC9V 36V

8.5

LiebeWH

Read more

Main highlights

REMOTE CONTROL: This door opener supports remote restart, remote reset, unlimited distance, can be operated anytime, anywhere, with GSM 3G 4G comm frequency, can be used in global GSM networks.

MULTIPLE FUNCTION: Support 3G and 4G, supports the addition of 1001 authorized users, access to remote control, APP control, 0‑9999s relay closure, supports relay continuity, and has no time limit.

Gsm Door Opener: 4G GSM remote switch, used as the gate, shutter, garage door opener, can be remotely control on and off by making a call through the mobile phone, and open the door.
#10
GSM AUTO Relay Switch, 4G,3G,GSM AC 110V220V Gate Opener, Door Control Automatically Open and Close, Controller Double Channel (US Version)

8.4

Zoeyilan

Read more

Main highlights

GLOBAL COMPATIBILITY: The GSM-KEY-4G system integrates seamlessly with global 4G, 3G, and GSM networks, ensuring reliable functionality anywhere in the world. This makes it highly versatile, whether you are at home, at work, or traveling internationally. The built-in professional-grade 4G module ensures top-notch performance and reliable connectivity for a wide range of environments.

CONVENIENT REMOTE ACCESS: With GSM-KEY-4G, distance is not a barrier. Using your mobile phone, you can open the door from anywhere, even from another city. No need to wait at the door – the system allows remote access with just a quick phone call, making your daily routine more efficient.

CALLER ID SECURITY: This system is designed with your security in mind. When an authorized number calls the GSM-KEY-4G system, it instantly identifies the caller and grants access only to those on the pre-approved list. With the capability to store up to 200 authorized numbers, it ensures a controlled, safe, and efficient entry system for both home and business.

Discover top deals and categories on Amazon Check Deals

gsm controller relays

Sonew 7 Channel GSM Remote Switch Controller 4G SMS Relay Switch for Power Failure Alarm, SMS/Phone Command(US)

9.7

Main highlights

KT-G3-A USA 4G GSM AUTO Relay Switch 12V Solenoid Remote Control Box Wireless Gate Opener 2CH Output HOG Trap Aircraft Pre-Heater System 30A Relay Contact(for AT&T and T-Mobile Volte 2022 New)

9.6

Main highlights

GSM Gate Opener, 9-36V Remote Switch Relay Switch Door Opener with Sim Slot, Operator Garage Door Access Controller for Factory Office and Garage

9.4

Main highlights

Sonew 7 Channel GSM Remote Switch Controller 4G SMS Relay Switch for Power Failure Alarm, SMS/Phone Command(EU)

9.2

Main highlights

GSM Relay Switch,Remote Control Box, AC DC 1224V Remote Control Box Relay Switch Access Double Channel for GSMKEY4G 4G,3G,GSM (US Version)

9.1

Main highlights

4G GSM Gate Opener, 9-36V Remote Switch Relay Switch Door Opener with Nano Sim Slot,Wireless Door Opener by Free Call SMS Command

9.0

Main highlights

GSM Gate Opener, RTU5025 Wireless Remote GSM Gate Opener Operator Garage Door Access Controller, Remote Access Control Door Opener, GSM Remote Control Relay Switch for Door, Garage

8.9

Main highlights

MGBISYI GSM Gate Opener, 4G G203 GSM Gate Opener,9-36V Remote Switch Relay Switch Door Opener with Sim Slot

8.8

Main highlights

GSM Gate Opener G203 Relay 4G GSM Gate Opener, GSM Gate Remote Controller Switch 3G 4G Garage Door Access Remote Controller Support Remote Restart Reset DC9V 36V

8.5

Main highlights

GSM AUTO Relay Switch, 4G,3G,GSM AC 110V220V Gate Opener, Door Control Automatically Open and Close, Controller Double Channel (US Version)

8.4

Main highlights

Similar products on Amazon

GSM Gate Opener, G202 Door Opener Remote Switch, GSM Remote Control Relay Switch, Smart Home Security System Switch, Door Access for Home, Garage, Factory, Warehouse Door

RTU5024 GSM Gate Opener 4g GSM Gate Opener RTU5024 Mobile Phone Access Controller Remote 4g GSM gate Control Switch 4g GSM Relay Switch

Sonew Door Access Control GSM Mobile Phone Remote Control Door Opener SMS Door Control

Saluaqui GSM Gate Opener, Door Opener, Relay Switch Remote Control with Caller ID, SMS Command for Access Control, Wall Mounting Support

GSM Gate Opener, RTU5024 GSM Mobile Phone Access Controller Remote Control Switch SMS Door Control

SinoTrack ST-907L 4G Vehicle Car GPS Tracker, Car Relay Anti Lost Alarm GPS Locator Real-Time Location Remote Control Cut Off Oil and Power Device for Car Motorcycle Truck Taxi, Support Platform

RTU5024 Upgrade GSM Gate Opener Relay Switch Remote Control Door Opener DC 9 36V Smart Security System Support App Control for Home Office (RTU5024 Upgraded Version)

GSM Remote Switch Call Control APP, Relay Gate Opener for Doors, Elevators, Garages, Parking Lots, Resorts, Control Rooms, Warehouses. ABS Material

4G GSM Relay Switch, GSM Gate Opener Door Access Remote Controller for Home and Industrial Automation (US Version)

Raguso RTU5024 Upgrade GSM Gate Opener GSM Remote Switch Relay Switch Door Opener with GSM Dial Control DC 9-15V(RTU5024Upgraded Version)

More products you might like

Sign up and get exclusive special deals