Product Code: ESP_GW
Brand: Indalo-Tech
Product Condition: New
Units in Stock: 4

ESP32-S3 + 868MHz CC1101 USB stick
Complete with case and choice of antenna.
Pre-installed with latest version of ramses_esp firmware.

The RAMSES-ESP is a Gateway device to connect RAMSES-II HVAC systems to a host running Home Management software such as Home Assistant or Domoticz.

Like the SSM-D2 you can plug the device directly into a host USB port and use the device as a serially connected gateway.  However, ramses_esp also implements an MQTT client which means you no longer need to co-locate the RAMSES-ESP with your host system.

The standard USB A-Type plug means you can connect directly to your host or power it from common USB wall chargers or wall outlets with a USB port.

The RAMSES-ESP is supplied with a choice of a straight or a right-angle antenna.  For optimal performance the antenna should be vertical so the choice depends on the orientation of the USB socket being used.  Both antennas can be supplied at extra cost.

Initial configuration of WiFi and MQTT via the USB serial interface.  Subsequently all configuration and control is available via both the USB and MQTT interfaces.

No need to install software packages to install later versions of the firmware.  Once you've configured WiFi access ramses-esp provides an Over-The-Air Update facility.

The RAMSES-ESP is a direct replacement for devices running evofw3.
If you are using Home Assistant the HACS Integration RAMSES RF supports both the USB and MQTT interfaces.

The RAMSES-ESP with ramses_esp firmware is compatible with:

  • CH/DHW systems such as evohome, SunDial, Hometronic, Chronotherm and others.
  • Other HVAC systems using the same protocol e.g. Itho, Orcon, Nuaire, Ventiline.

See the ramses-esp wiki for more information about the RAMSES-ESP and ramses_esp firmware, including configuration and control.

IMPORTANT: For Delivery Details see the FAQs (here)

£45.00 inc. tax

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Customer Reviews
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Works great, long range, highly recommended 5 product stars
"I've originally ordered SSM D2 modules, but due problems with the delivery I've got this model in the end as a replacement. They work perfectly fine, I'm only using them via USB (ttyACM), but they managed to connect to my wifi network as well (handy for updates). The range of the ramses radio is really amazing, it can capture messages from the furthest thermostats, TRVs. It is stable and work very reliable with a Honeywell Evohome 8 zone system. Thanks for this great product!" Peter K - 13 July 2024
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