John Andrew Electronic Services Ltd


John Andrew Electronic Services trading as is an online store concentrating on serving the needs of engineers, consultants and professionals involved in the pioneering development of Automation andTelemetry Solutions. Now machines (M2M) can communicate without cables, by using GSM / 3G/4G modems and routers. Specialising in Gemalto, Sierra Wireless and Multitech M2M hardware.

Suppliers of Pure Sine Wave Inverters and Inverter/Chargers, Alfatronix DC - DC Converters, both isolated and non-isolated, battery protectors and Smart Battery Chargers and Monitors.

IOT (Internet of Things) Multitech hardware suppliers,including development kits to bring your idea from the drawing board to a working model.

Multitech iSMS server sending application information by SMS, available in 1, 4 and 8 port models.

Industrial M2M 2G/3G Modems for connecting dumb serial devices and allowing them to communicate by IP rather than switch mode (CSD).

2G, 3G and 4G (LTE) Antennas. Covert antennas, typical use on vending machines. Yagi high gain directional amd omni-directional wall antennas. Magnetic and glass antennas. 2G, 3G, 4G antennas supporting MIMO and diversity.

2G/3G/4G Signal Strength Test Sets for checking CSQ or dbm. A must for engineers when on site and need to install the equipment in the best location.

Telemetry Devices with digital inputs and outputs. Applications include water level control, electric gate access, alarm system and controlling your heating system to name a few.






IOT Hardware

Our IOT hardware makes it easy to securely connect your devices in the Internet of Things to expand your business possibilities. 

The Multitech MultiConnect® Conduit™ is a quick-to-deploy and simple-to-scale, programmable gateway designed for the Internet of Things (IoT).

The MultiConnect® mCards™ provide flexibility to manage diverse infrastructures, supporting a wide range of interfaces and communication protocols.

The MultiConnect® mDot™ offers significantly longer range and improved radio performance compared to traditional wireless solutions.

Gemalto BGS2T 2G Modem

Gemalto BGS2T 2G modem, available modem only or starter kit. Starter kit includes BGS2T modem, serial data cable, magnetic antenna and 12v power supply.

Gemalto EHS6T 3G Modem

Gemalto EHS6T 3G Modem, available as modem only or starter kit. Starter kit includes EHS6T modem, serial data cable, magnetic antenna and 12v power supply.

Sierra Wireless 2G Modem FXT009

Sierra Wireless 2G modem FXT009, available as modem only or starter kit. Starter kit includes 15/9 data cable, magnetic antenna and 12v power supply.

Sierra Wireless GL6110 USB 2G Modem

Sierra Wireless GL6110 USB programmable modems offer immediate connectivity to GSM/GPRS networks.

Sierra Wireless GL8200 3G Modem

Sierra Wireless GL8200 3G modem, supplied with power supply, 232 data cable and right angled rubber antenna. 3G/HSPA connectivity over 850, 900, 1900 and 2100Mhz bands.

Multitech MTR-H6-B16 3G Router

Multitech MTR-H6-B16 3G Industrial Router. Covers 3G frequencies 850/900/2100 Mhz and 2G frequencies 850/900/1800/1900 Mhz. Supplied with CD, ethernet cable, power supply and antenna.

Polyphaser 2G,3G and 4G Surge and Lightning Protection

DC Block, surge and lightning protection for 2G,3G,4G applications and projects. 2G arrestor IS-B50HN-C2 operating ay 900Mhz (2G) and TSX-NFF 2G,3G,4G surge arrestor operating between 698-2700Mhz).


Pure Sine Wave Inverters and DC - DC Converters

TBS Electronics Pure Sine Wave Inverters. 230v AC models from 200 - 3500 watt. Available in 12v,24v and 48v models.

2G/3G/4G Signal Test Sets

2G/3G/4G Signal Test Sets. These units are a must for any engineer, on site, in order to install M2M equipment in the best possible location.

4G signal tester:

  • 2G frequency range 850/900/1800/1900 Mhz
  • 3G 900/1800/2100 Mhz
  • 4G 800/900/2100/2600 Mhz.

Alfatronix DC-DC Voltage Converters

Alfatronix DC-DC Voltage Converters.

  • DD 9-32 volt DC to 6v DC
  • 12 - 12 volt DC Isolators
  • 24 - 24 volt DC Isolators
  • 24 - 12 volt DC converters
  • Battery Protectors


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