Analysis

Transceiver module boasts energy efficiency

6th November 2019
Mick Elliott

The compact wireless transceiver module TCM 515 from EnOcean offers reduced power consumption, smaller size and a lower purchase price compared to the previous generation TCM 310. It is now available at distributor Rutronik UK.

The module is suitable for systems such as transceiver gateways, actuators and controllers that communicate based on the EnOcean radio standard in the sub-GHz band.

Thanks to a higher processor performance, all security features – encryption, decryption and authentication – can be performed directly in the module. This enables a secure end-to-end communication without external components.

The TCM 515 module, pre-certified according to international radio standards, receives radio telegrams either via wire antenna, PCB antenna or an external 50 Ohm antenna.

It can filter, decrypt and authenticate these telegrams before forwarding them to an externally-connected host processor or host PC via a serial UART-interface (Universal Asynchronous Receiver Transmitter).

Integrated security processing means no additional components are required for encryption.

The serial interface operates according to the EnOcean ESP3 standard with the option to use higher interface speeds (TURBO mode) to reduce latencies.

ESP3 messages received from the external host will be encrypted and authenticated as required before they are transmitted as EnOcean radio telegrams.

The wireless transceiver module TCM 515 / S3003-K515 supports the radio frequency 868MHz for Europe while the TCM 515U / S3053-K515 supports 902MHz for North America.

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