Keystone Electronics are a GSM
Communicator manufacturer and distributor of GSM Auto Dialers, PSTN Speech Auto
Dialler, Low Cost/Low Power Radio Receivers and Transmitters, as well as a
selection of Smart WiFi Plugs and stand-alone WiFi Sensors.
Founded in 1990, Keystone Electronics have been serving customers in the UK,
Europe, Australasia, USA and Africa for over 25 years. Customers include
Electrical Wholesalers, Catalogue Companies, Security/Social Alarm Dealers and
Distributors, Web Stores and OEM Manufacturers.
Our products are available on a next day basis from our UK warehouse in small to
medium quantities, for large quantities our products are shipped direct from
China.
| GSM Communicator Manufacturer |
We manufacture the AD06 GSM voice and text auto dialler, this GSM communicator
provides a complete solution to all your GSM notification needs. This GSM auto
dialler has the capability to send an SMS or play a user programmable voice
message to up to 9 different phone numbers.
With 6 inputs you can connect nurse call devices, alarm control panels,
environmental monitoring outputs, flood sensors and any other multi-channel
warning systems. 4 of the outputs can be controlled remotely via a free Android
or iOS app, or locally by the GSM diallers keypad.
AD06 GSM Communicator Features:
- Text can be displayed on the Dialler's LCD display in 8 languages.
- Different 32 digit SMS or 10 sec recordable message sent each time the auto
dialler is triggered
- Flexible options allowing choices of SMS, Voice or both sent to all or just
some phone numbers
- 6 trigger inputs, 4 outputs and 9 programmable phone numbers for each device
- The built in dialler keypad allows you to program all options with ease
- Built in memory for programmed settings and phone numbers
- Built in microphone and siren
- 4 digit programmable password
- many more features...
Take a look at the full list of
AD06 4G Dialler features
| PSTN Speech Autodialler |
Our PSTN speech autodialler of choice is the AD01, this PSTN voice dialler has
the ability to warn of an intrusion, or other type of emergency event by calling
up to 9 programmed telephone numbers via the use of a standard phone line.
The AD01 PSTN Speech Autodialler has 2 inputs allowing connections to a
triggered relay output and an alarm control panel.
PSTN Speech Autodialler Features:
- Easy programming via a built in LCD display
- A programmable voice message for 2 separate dialler triggers
- The PSTN voice autodialler has built in memory for 9 programmable phone
numbers
- Built in and programmable speaker for an optional audible alarm on trigger
- Built in tamper switch
Find out more about our
PSTN Speech Auto Dialler
| Radio Transmitters & Receivers |
We manufacture a range of radio transmitters and receivers, including the PT
Series and the 008 Series.
PT Series
The PT Series run on 433.92MHz, the range is multi-purpose and low cost, it
includes wireless transmitters and receivers (including a remote control),
multi-channel wireless receivers, motion sensors and pagers.
PT Series 433.92MHz Products:
- Low Power Radio Transmitters & Receivers for General Switching
- Single Channel 433.92 MHz Radio Transmitter with Large Button
008 Series
The 008 Series run on 868MHz, these are our low cost and low power radio
transmitters and receivers.
008 Series - 868MHz Products:
- 2 Channel Remote Control (RC Transmitter)
- Multi-Channel Self-Learn Wireless Receiver
| WIFI Sensors & Plugs |
The Netzhome Series of WIFI Sensors
Our range of Netzhome WiFi sensors includes everything from panic buttons and
motion sensors to shock sensors and temperature sensors.
Netzhome WIFI Plugs
We also supply Netzhome WiFi plugs which allow you to control any electrical
device from our free Android or iOS app.

