How many different phone number can this unit store and recognize?

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

At&t is requiring an imei number to register the sim card, what am i supposed to do

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.

Will this work now that at&t has done away with 3g?

yes, it works on ATT 4G VoLTE network from May 2011, NEW stock items.

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

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

Product ID: 374265467

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Details

Connector type
Micro USB
Contact material
Silver
Contact type
Normally Open
Current rating
30 Amps
Mounting type
Wall Mount

📲Caller ID phone control w/o minutes

📶4G/3G USA multi-band LTE

🔌30A high-power relay contact

Description

🚀 Unlock limitless remote power with KT-G3: Control your world, no strings attached!

HEAVY DUTY SWITCHING - 30A relay contact supports high-load devices like hog traps, aircraft heaters, and gate openers with rock-solid reliability.
INSTANT SMS FEEDBACK - Stay in the loop with real-time SMS confirmations ensuring your commands were received and executed flawlessly.
MULTI PLATFORM PROGRAMMING - Customize control via Android app, SMS, Windows PC, or optional WiFi hotspot—flexibility that fits your tech-savvy lifestyle.
GLOBAL CONTROL LOCAL POWER - Harness unlimited remote access with USA 4G LTE bands (AT&T & T-Mobile) for seamless worldwide operation.
ZERO MINUTE PHONE ACTIVATION - Activate your devices via phone call without using any call minutes—smart caller ID recognition triggers instant relay response.

The KT-G3-A USA 4G GSM Auto Relay Switch is a robust 12V wireless control box designed for professional-grade remote management of high-load devices. Compatible exclusively with AT&T and T-Mobile 4G/3G networks, it features dual 30A relay outputs, zero-minute phone call activation via caller ID, and SMS feedback for command confirmation. With versatile programming options including Android app, SMS, PC software, and optional WiFi, it empowers users to control gates, hog traps, aircraft heaters, and lighting systems from anywhere globally.

Specifications

Manufacturer	KiaoTime
Part number	KT-G3
Item Weight	605 g
Product Dimensions	17.78 x 12.07 x 5.72 cm; 605 g
Manufacturer reference	KT-G3
Colour	Kt-g3-a(at&t,t-mobile)
Material	ABS
Item thickness	2.25 Inches
Power source type	DC
Voltage	12 Volts
Installation method	Wall-Mounted
Item Package Quantity	1
Plug profile	Wall Mount
Batteries included?	No
Batteries Required?	No

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