Smart APP Menu LCD Security Alarm SystemsSmart APP Menu LCD Security Alarm SystemsSmart APP Menu LCD Security Alarm SystemsSmart APP Menu LCD Security Alarm SystemsSmart APP Menu LCD Security Alarm SystemsSmart APP Menu LCD Security Alarm Systems

Smart APP Menu LCD Security Alarm Systems

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Product Description

Upgrade G4B GSM PSTN Attention:

This series of products has the English, Russian,Spanish Voice. The default delivery English system.If you need other language. please leave us the message.

Attention PLS:This manual is only in English.we have PDF English manual.if you need it .Please leave your email.I will send it to you.

If you are the following countries. You will receive a corresponding system.

Russia and Ukraine: The default delivery Russian system .

Spain and Chile: The default delivery Spanish system .

Main Features

Wireless GSM intelligent anti-theft electronic alarm system is an innovative mobile intelligent alarm device integrating GSM digital signal processing techniques and imported STC microprocessor, and a variety of technologies including digital voice announcer, SMS, learning code pairing, etc. In addition, this alarm system is highly automatic, giving automatic voice or SMS alert in the event of emergency without intensive manual settings required. Features of stability, reliability, safety, and humanizing control enable it to be widely used for security in shops, convenience stores, offices, villas, residential communities, etc.

128X64 dot matrix display in both Chinese and English language. The built-in clock is convenient for time checking.

Original operation system for the main unit allows simple operation.

4 wired and 10 wireless zones, each can support 10 detectors (the maximum is 100).

Code pairing for up to 8 wireless remote controls.

Built-in intercom speakers with high acoustic quality and large volume.

Arm/disarm at regular time.

Preset 6 alarm phone numbers, which the main unit shall dial automatically to make voice alarm. 

Preset 3 SMS numbers, to which the main unit shall send the alarm SMS automatically.

10s of manual recording.

Built-in digital voice announcer, which shall report alarm conditions automatically.

Built-in SMS in English/Chinese, which shall be sent automatically.

Telephone function, allowing communication with any phone via the main unit dialing.

One key control to arm the system via remote control or telephone when at home or outside.

Programming for alarm place: help-seeking, fire, gas, door lock, living room, window, balcony or surrounding alarm.

Various programming functions for zones, such as real time, delayed, 24 hours and bypass.

Learn the code pairing through wireless way. It is easy to add new parts in safe and efficient way.

Various functions, such as remote control, system arming/disarming, monitoring and intercom.

Inquire event recording: the main unit can record all the information of 40 alarm events automatically.

Multi-arming modes: real-time arming via remote control, delayed system arming when outgoing, arming at home, arming at appointed time, remote arming via phone.

Maintain the top priority of alarm: If there is alarm while calling, no matter incoming or outgoing, the main unit shall hang up call and dial the alarm phone immediately.

Built-in lithium battery with high capacity to enable alarm while power-off.

The system will be more secure if use GSM+Line alarm

G4B GSM PSTN Real Picture


Classic G2B GSM Attention:

This series of products has the English, Russian, Spanish, French, Italy and Czech republic Voice. The default delivery  English system.If you need other language. please leave us the message

Attention PLS:This manual is only in English.But we have PDF English,Russian and Spain manual.if you need it .Please leave your email.I will send it to you.

If you are the following countries. You will receive a corresponding system.

Russia and Ukraine:    The default delivery Russian system .

Spain and Chile:    The default delivery Spanish system .

France:    The default delivery French system .

Italy:    The default delivery Italy system .

Czech republic:    The default delivery Czech system .

Reasons to Choose Our Alarm System

1,We are a professional security company, we cooperate with big factory.It is more stable and quality products.We don’t sell inferior products.

2,This screen and keyboard more clearly, The original factory supply,Refused to copy.Square voice siren is the original big factory.Circular voice siren is pirated small factory.For your safety.Please stay away from piracy.

3,The remote control of the APP.Telephone, SMS, remote control, and the APP,More convenient choice.Security say goodbye to the distance.


Main Features

Simply insert a GSM SIM card to activate the control panel (Contract or Pay As You Go). No telephone line needed.

Quad-Band GSM Module: 850 /900/1800/1900MHz, for worldwide usage.

Supports up to 99 wireless zones (with one wireless sensor in each zone) and 7 wired zones (with numerous wired sensors connected by series connection in each zone).

Supports Timing Arm/Disarm (up to 3 groups), Partial Arm (Home Arm), Entry Delay (Alarm Delay) and Exit Delay (Arm Delay).

Remote control the alarm system by phone call and SMS; Support up to 6 designated phone numbers for alarm calls in 3 loops and 3 designated phone numbers for SMS notification.

System Dialing Function: making phone calls directly from the control panel with a SIM card in it.

Automatic play of preset 10-second message recording when alarm occurs and alarm call is answered.

SMS Notification for Real-time Arm/Disarm Status (Not Supported by Most Other Non-Branded Alarm Systems On eBay).

Blue LCD screen with time clock, alarm status and signal strength bar display.

Built-in artificial intelligent digital voice announcer for easy operation.

Real-time, delay, 24-hour, bypass defense zone programming function.

Built-in backup rechargeable battery can last up to 5 hours with SMS reminder when AC power off.

Work as GSM alarm system (with GSM SIM card) or Spot alarm system (Without SIM card).

G2B GSM Real Picture

Stable and Realiable Alarm System

Your home/office is a place you want to keep secure, but getting all the high-end security gadgets and services available to help you do that is a pricey endeavor. Now, roll your own DIY security alarm system. It’s more fun and it’ll save you some money. You can arm/disarm the alarm panel via phone, SMS, remote control or the arm/disarm button of alarm panel. If you frequently travel or want to make certain that your home is secure while you are away, this system is an ideal choose for you.

Be There Even When You’re Not

The alarm panel will autodial or send SMS to your preset phone number when any detect sensor is triggered, the siren will sound on the spot at the same time. All of these things will help you have the best security possible and make it very hard for anyone to get into your home or business. In addition, optional wireless devices can be added to provide control over other functions including wireless smoke sensor, wireless gas leak sensor, wireless signal repeater, emergency key to meet your need of beef up your alarm system.

Two-Way SOS Talking

This alarm system with the advanced technology of Two-Way SOS talking. It is the combination of powerful home security alarm system and SOS Emergency Call function. Press SOS key, the alarm panel will auto dial the preset SOS number(you can set the SOS number of family member/local hospital). When call gets through, speaker is default on, then user can talk with his family/ Hospital staff directly. It gives seniors and their caregivers the freedom of independence as well as peace of mind. It is ideal for homes with baby or elderly inhabitants, as the remote for the alarm comes with a panic button that may also be used as a caretaker emergency notification system.



Installation Guide If you need, you can also contact the police, fire department, hospital or other emergency personnel to come to your home immediately. You can contact child/older to confirm whether they are okay or in need of asistance.




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Item Specifics

Model Number: 
 G2B and G4B
Place of Origin: 
 China (Mainland)
GSM frequency: 
Wireless Frequency: 
G2B Languages voice support: 
 English, Russian, Spanish, French, Italy and Czech republic
G4B Languages voice support: 
 English, Russian, Spanish
Manual book: 
G2B Network: 
 only GSM
G4B Network: 


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location*Estimated Shipping Time
United States10-20 Business days
Canada, Europe10-20 Business days
Australia, New Zealand10-30 Business days
Central & South America15-30 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time(45 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve receive you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of smarttecshop (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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