TELTONIKA

Teltonika Calyx

Embedded Cellular Raspberry Pi HAT+

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Teltonika Calyx Pi Hat+

CALYX embedded Raspberry Pi HAT+ is purpose-built to provide seamless mobile internet to your embedded systems. Available in three variants – 4G Cat 4, 5G Redcap, and full-fledged 5G – CALYX provides cellular connection to your Raspberry Pi 4 or 5 wherever Wi-Fi or Ethernet are unavailable or unreliable.CALYX mounts directly on top of your SBC computer, saving space and ensuring clean integration. Equipped with features like GPIO modem control and PCM audio support, CALYX offers compact and feature-rich cellular expansion for integrators and developers.

Teltonika Calyx Raspberry Pi HAT+ Features

Millbeck are a Teltonika Diamond Distributor.

Optimol Form Factor

Mount seamlessly on Raspberry Pi 4/5

GPIO Modem Control

Wake, reset, and manage the modem via Pi pins

PCM Enhanced Audio

Enable clean, low-latency audio transfer

Versitile Connectivity

Choose the right option: 4G Cat 4, 5G Redcap, or full-fledge 5G

EBD021 4G LTE

Equipped with 4G Cat 4 modem and provides cellular connection to your Raspberry Pi 4 or 5 wherever Wi-Fi or Ethernet are unavailable or unreliable.

EBD050 5G

Equipped with full-fledged 5G modem and provides cellular connection to your Raspberry Pi 4 or 5 wherever Wi-Fi or Ethernet are unavailable or unreliable.

EBD070 5G RedCap

Equipped with 5G Redcap modem and provides cellular connection to your Raspberry Pi 4 or 5 wherever Wi-Fi or Ethernet are unavailable or unreliable.

Contact Us Today

Contact us to discuss how we can embedded IoT connectivity into your solution.

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Vertical pattern of small gray dots on a white background, denser at the left fading towards the right.

Why Connect with Millbeck

Millbeck specialises in the cellular hardware and SIMs that sit between an industrial device and the network it depends on. The kind of work where the spec decisions made on day one decide whether the deployment is still online in year five.

Resources

Latest news & insights

KB
Jul 31, 2026

Failover and Backup Connectivity

Failover connectivity uses a second network path, usually cellular, so operations keep running when the primary line fails. This guide covers automatic failover architectures, Teltonika's dual modem routers, and why the SIM behind the router matters as much as the hardware itself.

An illustration of networking on a red background with the Millbeck logo on the top left
Insights
Jul 31, 2026

Teltonika Dual Modem Routers for IoT

Why dual modem routers give IoT deployments real redundancy, and how Teltonika's RUTC42, RUTM56 and RUTM52 compare for 4G, 5G and edge use cases.

Image of a Teltonika RUTM56 dual modem router with the Millbeck logo above, on an abstract tiled background
Insights
Jul 31, 2026

Teltonika RUTC Series: 4G & 5G Routers That Double as Edge Compute Devices

Teltonika's RUTC series combines 4G and 5G connectivity with real edge compute. Here is how the RUTC40, RUTC41, RUTC42 and RUTC50 compare.

Tetonika RUTC50 5G Router Millbeck