Is this unit 2G / 4G switchable

yes you can switch via dipswitch on board

does it come with GSM antenna

Yes it comes with a half metre antenna cable

Is the signal from attached device positive or negative to input connection

inputs 1 - 3 are negative input 4 is negative or positive

Is it app controlled.

no there is no app, it is simply call and text only

Gsm 4g Auto Dialler | Desertcart British Virgin Islands

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

$519.91

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to British Virgin Islands.

Secure transaction

Description

📲 Stay Alert, Stay Ahead — Your Security, On Your Terms!

SMART REMOTE CONTROL - Two-way SMS commands let you reactivate or disable devices instantly from your phone.
ENERGY EFFICIENT COMPACT - Low standby power consumption with a sleek design fits perfectly in any setup.
BUILT TO BRAVE THE ELEMENTS - IP65-rated rugged enclosure keeps your system safe in any weather condition.
UNIVERSAL ALARM COMPATIBILITY - Works with all alarm systems via simple bell output connection—no rewiring needed.
GLOBAL CONNECTIVITY ZERO HASSLE - Quadband GSM tech ensures seamless alerts worldwide, no matter where you are.

The GSM 4G Auto Dialler is a versatile, quadband GSM-enabled device designed to monitor and control alarm systems remotely. Compatible with all alarm types, it sends instant SMS or call alerts when triggered and allows two-way communication to manage connected devices. Its IP65-rated enclosure ensures durability in harsh environments, powered efficiently by 9-24V DC with minimal standby current. Ideal for homes, businesses, and remote monitoring applications, it offers reliable, global security supervision without the need for landlines.

Specifications

ASIN	B07649X7ST
Batteries Required?	No
Batteries included?	No
Best Sellers Rank	262,565 in DIY & Tools ( See Top 100 in DIY & Tools ) 524 in Home Alarm Systems
Customer Reviews	4.7 4.7 out of 5 stars (2)
Date First Available	2 Oct. 2017
Item Package Quantity	1
Item Weight	600 g
Item model number	3GAD-1A
Manufacturer	GSM Activate
Part Number	3GAD-1A
Power Source	Battery Powered

Reviews

C**R

Easy to set up

Delivery prompt and item well packaged as usual.Used several of this brand before and always found them easy to set up and reliable.

18.10.2025

G**K

Quality Product

Works well, easy to install..

5.04.2019

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

$519.91

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to British Virgin Islands.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

View all Trustpilot reviews

GSM 4G AUTO DIALLER

Description

Specifications

Reviews

Common Questions