Weather Envoy Wireless Firmware, Direct PC Install 3.88 Windows (FIRMWARE)

RELEASE DATE: 10/08/2020

IMPORTANT! This firmware is only for the Wireless Envoy manufactured April 2006 or later (product code of #6316. This will NOT work on a #6316C). The Inside Temp, Inside Hum, and Barometer readings will not appear if version 3.15 firmware is installed on Envoys manufactured before April 2006.

If you are looking for foreign language versions, please reach out to your local reseller.


Firmware version 3.88

  1. Improved evapotranspiration (ET) calculation.

Firmware version 3.80

  1. Modified heat index table to better support high temp and high humidity environments.

Firmware version 3.15

  1. Minor improvements in firmware efficiency.

Firmware version 3.12

  1. Fixed a bug in 3.00 that did not allow the ET alarm to be cleared.
  2. Eliminates occasional WeatherLink communication issue when console is busy receiving a radio packet.

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