• Sequoia Technology is 'Focused on Design'
  • The experts in the field of wireless machine to machine communications technologies
  • SATA, Video, microcontrollers backed by applications engineers with real-world experience
  • High sensitivity sensors and sense amplifiers for heat flux and other parameters
  • Test equipment, distribution, routing and control of audio/video
Free delivery offer


Sequoia is well known as the leading wireless product supplier from GPRS through to 3G and now 4G LTE.

Siretta modems and antenna range

* M2M/IoT 3G/4G Routers
* 2G/3G/4G Modems
* Wide range of antennas - probably the widest range available.
* 3G/4G signal testers

    3G / UMTS Modem, USB and RS232 Connection
    LTE Signal Strength Tester
  • QUARTZ 3G Routers
    QUARTZ 3G/UMTS, HSPA+ Routers with Dual SIM / RS232 / 3x IO
    QUARTZ 3G Routers


To complement our wireless modules and terminal range of products we feature Siretta Antennas, the widest range of antennas generally available.

The Siretta antenna range covers all mounting types - embedded, thru hole, magnetic and all connector types. Most of the antennas we feature have cable length options generally held in stock.
  • Tango 19
    GPS/GSM combination antenna
    Tango 19
  • Low loss SMA (M) to SMA (F)
    RF Low loss cable SMA extension cables
    Low loss SMA (M) to SMA (F)
  • Mike 1A
    GSM/GPRS/3G magnetic mount antenna
    Mike 1A
  • OSCAR20
    High gain 4G/3G small Yagi antenna


Sequoia Sensors specialises in niche, high quality sensor products. We offer unrivalled range of Radiative, conductive and convective Heat Flux sensors, used for measuring heat energy. These include our low cost flat plate sensors for use in determining heat energy through surfaces, to Thermogage and Schmidt Boelter sensors for measurement of heat flux in fires to the fastest response time heat flux sensors in our HFM range.

Our Fibre Optic sensors are used in many industries, such as medical and power generators and are perfect for using in environments where EMC and magnetic interference is an issue, including factories, power stations and in aerospace industries.

  • Carbon GSM-TH
    Temperature and humidity data logger with GSM alerts
    Carbon GSM-TH
  • EM01b-FLD
    EM01b remote temp, humidity, bundled with flood detection feature
  • HFM-7 E-H
    700°C Heat Flux Microsensor plus RTS temp sensor
    HFM-7 E-H

AV Equipment

Our AV Equipment range of products are divided into two categories. Video Test Equipment and Fibre Optic extenders, switches and matrix routers.

Our Video test equipment consists of video generation, DVI, HDMI, Displayport and MHL testing and troubleshooting. Our HDCP and MHL test equipment is approved by the appropriate bodies for a complete analysis of your equipment for approval. Our video test equipment are suitable for a large range of customer base from installers, to designers to semiconductor manufacturers.

  • 780C
    4K Video tester for HDMI, HDBaseT and 3G-SDI
  • 802BT/R
    Video Test Generator
  • 980
    Protocol Analyser HDMI