---
product_id: 116132624
title: "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)"
brand: "kiaotime"
price: "39729 kr"
currency: ISK
in_stock: true
url: https://www.desertcart.is/products/116132624-kt-g3-a-usa-4g-gsm-auto-relay-switch-12v
store_origin: IS
region: Iceland
---

# Remote control via phone call & SMS 4G LTE multi-band for USA carriers 30A high-power relay contact 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)

**Brand:** kiaotime
**Price:** 39729 kr
**Availability:** ✅ In Stock

## Summary

> 🚀 Control your world remotely—power, precision, and peace of mind in one sleek switch!

## Quick Answers

- **What is this?** 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) by kiaotime
- **How much does it cost?** 39729 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/116132624-kt-g3-a-usa-4g-gsm-auto-relay-switch-12v)

## Best For

- kiaotime enthusiasts

## Why This Product

- Trusted kiaotime brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Instant SMS Feedback:** Receive real-time SMS confirmations ensuring your commands are executed flawlessly every time.
- • **Powerful 30A Relay Output:** Handles heavy-duty devices like gates, hog traps, and aircraft heaters with robust 30 Amp relay contacts.
- • **Unmatched 4G Connectivity:** Seamlessly works with AT&T & T-Mobile 4G/3G networks for reliable remote control anywhere in the USA.
- • **Zero-Minute Phone Control:** Activate switches via caller ID recognition without using any phone minutes—smart, cost-effective control.
- • **Versatile Multi-Platform Programming:** Configure easily through Android app, SMS, Windows PC, or optional WiFi hotspot for ultimate flexibility.

## Overview

The KT-G3-A USA 4G GSM Auto Relay Switch is a cutting-edge 12V wireless control box designed for professional-grade remote operation of gates, hog traps, aircraft pre-heaters, and lighting systems. Compatible exclusively with AT&T and T-Mobile 4G/3G networks, it features dual 30A relay outputs, zero-minute phone call activation, SMS feedback confirmation, and multiple programming options including app and PC software. Built for durability and ease, it empowers millennial managers to command critical systems anytime, anywhere with confidence.

## Description

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)

## Features

- 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
- 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
- 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
- SMS FEEDBACK CONFIRMATION relay device will send you sms feedback after phone call or sms remote control, so you will know that relay switch received your command and act correctly
- MULTI PROGRAMMING WAY Android APP software,SMS text programming way,Windows PC software via USB,WiFi LAN hotspot access on PC(WiFi module optional)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Connector Type | Screw |
| Contact Material | Silver |
| Contact Type | 2no 2nc |
| Current Rating | 30 Amps |
| Mounting Type | Surface Mount |
| Brand | KiaoTime |
| Operation Mode | Automatic |
| Coil Resistance | 30 |
| Coil Voltage | 12 Volts |
| Contact Current Rating | 30 Amps |
| Maximum Switching Current | 30 Amps |
| Maximum Switching Voltage | 24 Volts |
| Minimum Switching Voltage | 12 Volts (DC) |
| UPC | 603149819177 |
| Manufacturer | KiaoTime |
| Part Number | KT-G3 |
| Item Weight | 1.33 pounds |
| Product Dimensions | 7 x 4.75 x 2.25 inches |
| Is Discontinued By Manufacturer | No |
| Color | KT-G3-A(AT&T,T-Mobile) |
| Finish | White |
| Material | ABS |
| Thickness | 2.25 Inches |
| Power Source | DC |
| Voltage | 12 Volts |
| Installation Method | Wall-Mounted |
| Item Package Quantity | 1 |
| Measurement System | Imperial |
| Switch Style | Toggle |
| Included Components | power adapter,U-disk,external antenna |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Connector Type:** Screw
- **Contact Material:** Silver
- **Contact Type:** 2no 2nc
- **Current Rating:** 30 Amps
- **Mounting Type:** Surface Mount

## Images

![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) - Image 1](https://m.media-amazon.com/images/I/61gsz9+9XwL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: How many different phone number can this unit store and recognize?**
A: you can add 8 numbers (3 administrators and 5 general users) on app software, but on PC software, you can add much more 42 numbers so total 50 numbers. 

AMROAD Seller · July 8, 2019

**Q: At&t is requiring an imei number to register the sim card, what am i supposed to do**
A: Ariana - Can't speak to how AT&T handles their SIM card registration ... don't have a clue.

I chose to purchase a SIM card offered by PayGo Ultra Mobile (which uses Verizon's network). I placed the SIM card into a smartphone to get the SIM card registered with PayGo and a phone number established. After a phone number was assigned to the SIM card, the SiM card was instilled in the remote switch. Not positive, but I beleave I could have registered the SIM card and received a phone number by just calling the 800 number for PayGo's customer service department and providing them with the SIM card's serial number.

**Q: When will these be available again**
A: Check with Amazon

**Q: Will this work now that at&t has done away with 3g?**
A: yes, it works on ATT 4G VoLTE network from May 2011, NEW stock items.

## Frequently Bought Together

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-01-31*