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Alarm GSM 4 bands with touch keyboard and temperature sensor

Product ID LA23

Technical summary

  • GSM model with 4 operating bands: 850, 900, 1800 and 1900 MHz.
  • The central unit has a numeric keypad and control keys for the operation and programming of the alarm.
  • It has an LCD screen and LEDs indicating the status of the alarm.
  • It allows to program up to 99 zones based on wireless sensors.
  • Anti-interference and anti-decoding function of the remote control.
More info

DC 12V


Product available. Delivery time 1-3 days. 2 years warranty. 14 days return period.
  • Description
  • Sizes
  • Related
  • Tech FAQs

Alarm system for home or business that can be extended with all kinds of wireless sensors. It allows to be connected to the GSM mobile telephone network so that when the alarm is triggered it makes calls to the telephones predefined by the user to alert of the possible intrusion or alarm. Economic system in which the companies that sell alarm center services are not necessary, thus eliminating monthly costs to makeof simple intermediaries between the alarm and the client. The alarm center can be your own mobile phone, which is ultimately where you would end up calling a central alarm company. There are mobile phone operators that do not charge fixed costs if no call is made, so it is possible to have a GSM SIM contracted and not have fixed expenses, except calls.



Weight: 0.81 Kg.
Product measures:
Width: 18.8 x Depth: 13.1 x Height: 2.8 cm.
Number of packages: 1
This product is not available with different sizes
Color unspecified

[!] Weights, sizes, colors and shapes are only approximate and may differ from those represented, although the functionality of the product never differ with those specified

Technical documentation on
Tech FAQs
Is the siren included?
NO, the siren is not included.
When activating the alarm would activate video cameras, surprise lights, siren etc ...?
Yes, it has wired connections to activate circuits, as well as wireless connection for wireless devices.

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This product can be found in:

Security alarms > GSM Telephony Alarms
Technical terms used
  1. GSM

  2. Hz


The global system for mobile communications (English Global System for Mobile communications, GSM, and originally from the French groupe spécial mobile) is a standard system, royalty-free, digital mobile phone. A GSM client can connect through your phone to your computer and send and receive emails, faxes, surf the Internet, access to the computer network security acompany (LAN/Intranet) and use other functions of digital data, including short message service (SMS) or text messages. What are the differences between GSM and UMTS? The GSM system operates by TDMA, ie, time is divided into slots and each user is assigned a slot, ie, a period for which data can be transmitted. Therefore each channel is shared by a ndetermined number of users. The system is a UMTS (WCDMA) code division multiple access broadband. In this system there are no time slots and GPRS. All users transmit simultaneously on the channel, but each user signals are encoded with a unique code so that even though we think that an "indecipherable signal" is formed by using the same frequencies simultaneously, It is not toyes, because the base station is capable of decoding and re perfectly separate each of the communications received from different users. This obviously implies a much higher channel utilization, to not share in time.


Fuente de la información sobre GSM:


One hertz is one cycle per second, meaning repeating cycle as an event. For example, hertz is applied physics measuring the number of times for a second wave (either acoustic or electromagnetic) is repeated or can be applied, among other uses, to ocean waves that reach the Beach vibrations per second or a solid. The quantity that measures the frequency hertz is called,in this regard, the inverse of the period. One hertz is an oscillation frequency of suffering a particle over a period of one second.

Fuente de la información sobre mhz:

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