Just an update 
- Change Log:
(14-Nov-2020) added Froggit DP70 (=Ecowitt WH55)
(14-Nov-2020) updated sensor hierarchy (footnote 7)
(17-Nov-2020) included Watson as Fine Offset clone seller to footnote d and to the packages
(20-Nov-2020) added acronym scheme (source: Ecowitt)
(21-Nov-2020) updated table: added WS6006/WL6006 and updated footnote 10 on WS6006/WL6006 (source: Ecowitt)
(22-Nov-2020) added Ambient PM2.5 indoor (WH43) and WH31LA (WH55), updated HP3501 sensor compatibility, added Weather Network information
(23-Nov-2020) updated WL6006 info
(24-Nov-2020) added console clone models/brands and their frequencies
(25-Nov-2020) updated HP3501 sensors (with console firmware 1.6.9), added console/screen sizes, added firmware info
(03-Dec-2020) updated WiFi firmware version for Ecowitt and compatible
(07-Dec-2020) added WH31P (Ambient) to the matrix
(10-Dec-2020) added picture of newly released WH45 (release date 10-Dec-2020)
(26-Dec-2020) added picture for HP2551/WS-2000/WS5000 console display overview
(30-Dec-2020) marked WH32E for Ambient as “end-of-life” (exactly “end-of-support” as they have taken it off their portfolio)
(03-Jan-2021) added reference to related discussion thread MUST READ - Fine Offset Clone Models,sensor compatibility etc -discussion thread
(03-Jan-2021) added remark regarding past 24 h rainfall display of the HP2551 console
(05-Jan-2021) added PanTech as another reseller brand in Australia (HP2551, HP2553 and extra sensors)
(13-Jan-2021) added Froggit DP30 water temperature sensor to the matrix
(17-Jan-2021) added Meteobridge/Weewx/CumulusMX/WeatherDisplay console support info
(22-Jan-2021) updated footnote 9 with the new WN30 (temperature only, waterproof probe, 3 m cable) sensor
(29-Jan-2021) updated firmware info for WIFI firmware 1.5.7 Ecowitt / 4.2.9 Ambient
(02-Feb-2021) update WS68 signal indicator in console pictogram overview - updated announcement for PM2.5 sensor cycling (1-4) in current position with next firmware version
(30-Jan-2021) added Tycon ProWeather TC3000WC (WH2350 Fnbe Offset clone) to the matrix
(02-Feb-2021) updated WS68 signal indicator position on console screen, announcement by Ecowitt to implement PM2.5 indicator (1-4, WH41/43) cycling with next firmware
(26-Feb-2021) added WH35 Leaf Moisture sensor (1-8) to the matrix - sensor already part of firmware 1.6.5
(27-Feb-2021) created a temporary warning regarding firmware 1.6.5 in the firmware section of the matrix footnotes
(02-Mar-2021) updated firmware 1.6.6 for GW1000 - FW 1.6.5 withdrawn, also for WH2650 => latest available FW for WH2650 is 1.6.3 (1.6.5 for early adopters - WH2650 users were not affected by the 1.6.5 side-effects on the GW1000 together with a WH32B - they have another side effect: loss of pressure/barometer data from WH32B)
(03-Mar-2021) moved firmware info into separate post (as the post is reaching its maximum number of characters [2000]); added picture of device list and console identifiers plus update pop-up
(12-Mar-2021) added information about WH2910C console and sensor data uploaded to Ecowitt.net - info on to-be-released FW 1.6.7
(19-Mar-2021) added information about beta-phase WN1900 “low-cost” weather station
(25-Mar-2021) added footnote for WH32B predecessor (WH25)
(27-Mar-2021) added info about firmware 1.7.1 for the HP2551 (and clone) console - main visible feature: WH41/53 PM2.5 sensors are now also scrolling on the main screen
(29-Mar-2021) added ChiliTec and DNT as FO clone resellers
(02-Apr-2021) added WN67 info to matrix
(07-Apr-2021) added info on WiFi firmware upgrade V1.5.8 claiming solving the following issues: 1. Optimize domain name resolution.;2. Optimize the uploading stability of custom servers
- for affected consoles see firmware post / section
(12-Apr-2021) updated HP2551 console info and pictogram
(22-Apr-2021) updated information regarding console firmware update (1.7.1 for HP2551, 1.6.7 for HP350x) and WiFi firmware V1.5.9 (claiming solving the same issues as V1.5.8: 1. Optimize domain name resolution.;2. Optimize the uploading stability of custom servers)
(30-Apr-2021) added WN30 multi-channel waterproof temperature sensor with external probe to the matrix
(10-May-2021) added DP250, the Froggit version of the WH45 5-in-1 indoor air quality sensor to the matrix
(13-May-2021) minor updates to the firmware section
(24-May-2021) added information in footnote 23 regarding the WN67 sensor array which looks similar to the WN14 array (but is different technology) which comes with FineOffset low cost stations, e.g. WH5300, Aercus 2085, Aercus 3085.
(27-May-2021) updated firmware information for GW1000/WH2650 - now V1.6.7
(01-Jun-2021) updated firmware information for GW1000/WH2650 - now V1.6.8
(03-Jun-2021) updated firmware information for HP2551 console - now V1.7.3 (fixes some bugs and may purge the text for the Indoor T/H(/P) sensor and replace the original text (usually “Indoor”) by “WH32”)
added info on how/where to fix the purge/replace issue in the console post
(04-Jun-2021) added footnote 24 on WH65/WS69 sensor arrays and BP0001 (external battery pack) compatibility
(01-Jul-2021) latest firmware V 1.6.9 for HP350x console released
(02-Jul-2021) latest firmware V 1.7.4 for HP2551/HP2553 (Froggit HP1000SE Pro, Watson 8686, … see matrix for other clone brands) released
(07-Jul-2021) A number of WH31-EP sensors have been erroneously labeled WN37AS and have been shipped - they are still WH31-EP sensors.
(20-Jul-2021) latest WiFi firmware V1.6.0 for consoles HP2551, WS2320E, HP350x, WH2910 and non-Ambient clones of these consoles published
(21-Jul-2021) added the new GW1100 console with the WebUI configuration option to the matrix
(22-Jul-2021) latest console firmware V1.7.4 for Ambient WS-2000 and WS-5000 stations released
(24-Jul-2021) added ProTech WiFi gateway (GW1000 clone, 868 MHz) to the matrix
(25-Jul-2021) added firmware info for WS-2000/WS-5000 console: file name is factory.bin (whereas for HP2551 and clones it is user.bin)
(30-Jul-2021) added new CumulusMX V12 (3141) functionality - can now use all consoles/servers which post in Ecowitt protocol (e.g. custom server option) as station
(31-Jul-2021) WN34L, WN34S (1-8) and WN35 (1-8) sensors released
(05-Aug-2021) added the WH55 signal position to the HP2551 console pictogram
(06-Aug-2021) added info for WN1900 console features in footnote 21
(09-Aug-2020) Meteobridge application software now supports the WS2320E/Froggit WH4000SE WiFi/Misol WS-2320/ ELV WS980 WiFi, Steinerg sbs-ws-400 consoles
(13-Aug-2021) added GW1100 firmware information
(17-Aug-2021) added Ambient AQIN sensor (the equivalent to Ecowitt WH45 5-in-1 air quality sensor T/H/PM2.5,PM10,CO2)
(01-Sep-2021) added latest firmware (2.0.3) for GW1100 and update method
(09-Sep-2021) added Ambient latest WiFi firmware version 4.3.0 (issue date 07-Sep-2021)
(17-Sep-2021) added Ambient latest WiFi firmware version 4.3.1 (issue date 13-Sep-2021)
(21-Sep-2021) added latest firmware (2.0.4) for GW1100
(28-Sep-2021) added Ecowitt latest console firmware for HP2551 V 1.7.6
(22-Oct-2021) added the description of the SensorsID submenu in the HP2551 console
(26-Oct-2021) updated WN1900 console info as the console/station is released meanwhile
(28-Oct-2021) added firmware change log for GW1100 V2.04, 2.05, 2.06 in firmware section
(30-Oct-2021) added Ambient WiFi firmware change to V 4.3.2
(03-Nov-2021) added the new WS90 all-in-one outdoor array (beta testing phase) and the WH31 with DCF77 support (868 MHz, Europe only)
(06-Nov-2021) added information about new Wittboy station (WS90 + GW2000) - footnote 27
(07-Nov-2021) added information that with firmware 1.7.6 the HP2551 console keeps last lightning strike time stamp over a reboot/restart
(14-Nov-2021) added change log for GW1100 firmware V2.0.7
(16-Nov-2021) added Ambient WS-5050 station (=WS-5000 without rain gauge)
(21-Nov-2021) added info about GW2000 (still in beta testing phase)
(02-Dec-2021) added info about GW1100 firmware update 2.0.8
(06-Dec-2021) added new WiFi firmware version 1.6.1 for the WH2910, WS2320E, HP2551, HP350x (clone) consoles
(14-Dec-2021) added info about Misol WS80 and Misol WH40 plus Froggit DP10(WN35), DP35 (WN34L) and DP150(WN34S)
(21-Dec-2021) added firmware 2.0.9 for GW1100
(31-Dec-2021) HP2551 console firmware 1.7.7 published; new: French language, a SD card symbol, WH45 temp/humidity cycles with Indoor and WH31 family sensors, WN34/35 viewable/displayed on main console page. Updated console picture and pictogram above, the WS90 7-in-1 outdoor array can be received (and readings displayed) - see sensors ID
(08-Jan-2022) added important sensor ID info to HP2551 console section (applies to GW1x00 and WH2650 too)
(13-Jan-2022) added info about a solar sensor filter in latest hardware revision of the WH65/WS69 array [footnote 24]
(15-Jan-2022) added WS90/GW2000 info in the footnotes where applicable
(03-Feb-2022) updated footnotes a, b with (re-)seller information
(13-Feb-2022) added 920 MHz sensor frequency for Japan, Malaysia, Singapore & South Korea (in addition to 433 MHz)
(27-Feb-2022) added country specific list of frequencies which can be legally used for the (low range) sensor transmission
(03-Mar-2022) added latest firmware info for the GW2000 hub/console/gateway, with special calibration option for the WS90 haptic rain sensor and possible synoptical WH40 and WS90 rain sensor view
(06-Mar-2022) pressing the central reboot button on the GW2000 longer than 10 seconds will now allow a factory reset of the console
(10-Mar-2022) added device firmware upgrade for HP2551 console (1.7.8)
(12-Mar-2022) added Froggit WH3900 (=WN1910C [color display] + WN67) to matrix; added WN36 floating pool temperature sensor (so far only published by Fine Offset)
(13-Mar-2022) updated WN36 info (footnote 31)
(16-Mar-2022) updated footnote 31; added Ambient WH31 PF = Ecowitt WN36
(18-Mar-2022) added a “sensor battery status, values etc.” section
(22-Mar-2022) added data flow scheme between sensors, consoles, weather software, weather services etc.
(23-Mar-2022) added WiFi firmware upgrade to V.1.6.2 Ecowitt/FOSHK clones, V.4.3.3 Ambient
(25-Mar-2022) added firmware upgrade to V.2.1.2 for GW1100 and V.1.1.27 for WH6006 and datalogger 1.6.8
(26-Mar-2023) added firmware upgrade to V.2.1.2 for GW2000
(01-Apr-2022) added firmware upgrade to 2.1.3 for GW1100 and GW2000
(04-Apr-2022) added info regarding the move of the optional sensor page and the related name editing for the HP2551 console with firmware 1.7.8 (option 5 in the FW change log)
(06-Apr-2022) added EasyWeather WiFi firmware upgrade to V.1.6.4 for HP2551, HP350x, HP2910, WS2320E (clone) consoles
(09-Apr-2022) added some info regarding the WH24 legacy outdoor array (the “boat”) - foot note 24
(10-Apr-2022) added info regarding firmware V.1.1.7 upgrade for the WS90 outdoor array of the GW2001 (“Wittboy”) station
(13-Apr-2022) device firmware 1.7.9 for HP2551 (clone) consoles released
(16-Apr-2022) firmware 2.1.4 for GW1100 and GW2000 consoles released
(20-Apr-2022) device firmware 1.8.0 for HP2550 console released
(21-Apr-2022) new firmware 1.6.9 for GW1000/WH2650 released (WS90 support via WSView Plus app, V 2.0.30 needed); WS90 firmware update V.1.1.9 for wind reading improvements
(24-Apr-2022) firmware 1.7.0 for GW1000/WH2650 released - fixes WU and custom server upload issues introduced with 1.6.9
(26-Apr-2022) firmware 1.7.1 for GW1000/WH2650 released - fixes remaining WU wind data issue; WS View Plus 2.0.31 released; added HP2564 station
(29-Apr-2022) - firmware 1.7.2 for GW1000/WH2650 released - change log - see firmware post above
- added chapter 9: console - sensor - maximum number table
- added picture of the 2nd generation HP25xx console, the HP2560, to the HP2550 console section/chapter
- added the HP2560 console to the matrix
(02-May-2022) added sensor (array) transmission timings to the thread (chapter 10)
(14-May-2022) firmware 1.7.3 for GW1000/WH2650 released - change log - see firmware post above
(17-May-2022) added firmware 1.2.2 upgrade for WS80 6-in-1 sensor array (upgrade firmware for ultrasonic wind sensor)
(30-May-2022) added Froggit DP1000 (WS80) and new Ecowitt names of WH32 and WH32B
(11-Jun-2022) firmware 2.1.5 for GW2000 released - change log - see firmware post above
(14-Jun-2022) firmware 1.7.4 for GW1000/WH2650 released - change log - see firmware post above
(19-Jun-2022) updated HP2551 pictogram explanation to reflect device firmware 1.8.0
(24-Jun-2022) firmware 2.1.5 for GW1100 released - change log - see firmware post above
(28-Jun-2022) added chapter 11 compiling the sensor hierarchies from several footnotes into an overview
(01-Jul-2022) added/updated HP2551/HP2560 console device firmware update 1.8.1 info in the firmware section
(07-Jul-2022) firmware 1.2.0 for WN19x0 released, allows configuration of WS90 and calibration of WN34 sensors
(13-Jul-2022) firmware 1.1.29 for WS6006 released - solved some SMS issue
(19-Jul-2022) firmware 1.2.3 for the WS90 outdoor array released - changes see firmware section
(26-Jul-2022) firmware 2.1.6 and 2.1.7 shortly after for GW1100 and GW2000 released - changes see firmware section
(03-Aug-2022) updated footnote 18 regarding weewx support and footnote 33 for Meteobridge support in matrix
(05-Aug-2022) added HP2561 info regarding indoor T/H/P sensor (footnote 34)
(08-Aug-2022) firmware 1.7.5 for GW1000/WH2650 (and clones) and device firmware 1.8.5 for HP25x0 console released - changes see firmware section;
(10-Aug-2022) firmware 2.1.8 for GW1100/GW2000 released - changes see firmware section;
(13-Aug-2022) firmware 1.2.5 for WS90 sensor array released - changes see firmware section;
(16-Aug-2022) information regarding the alarm symbols for the HP25x0 consoles added as note 14 of the console pictogram
(14-Sep-2022) device firmware 1.8.6 for HP25x0 consoles released - changelog see firmware section
(19-Sep-2022) added WH2682 - Ambient OberserverIP 2.0 console/gateway/module to the matrix
(21-Sep-2022) added footnote 35 for the WH2682 - Ambient OberserverIP 2.0 console/gateway/module; WS90 firmware upgrade V.1.2.6 - see firmware section
(27-Sep-2022) device firmware 2.1.9 for GW1100/GW2000 and WH2682 (ObserverIP 2.0) released - changelog see firmware section
(01-Oct-2022) matrix updated with some more rebranded consoles/stations
(02-Oct-2022) added new WebUI for weather network configuration for HP2560 and newer HP2551 models with upgraded WiFi modem to the HP2551 console section
(05-Oct-2022) added chapter 13. retrieving data from the Ecowitt cloud (ecowitt.net)
(16-Oct-2022) firmware 1.2.1 for the WN19x0 consoles released
(22-Oct-2022) added SHT35 based high precision sensor kit for the WS90 (also usable for new models of the WS80 and WS69)
(23-Oct-2022) added some details about the Ecowitt Gateway API (aka GW1000 API) as chapter 14 of the thread
(27-Oct-2022) added latest WS View Plus app version update (2.0.35)
(07-Nov-2022) the WSView Plus app (>= V 2.0.36) now also shows the WS90 firmware version (see firmware section)
(14-Nov-2022) updated chapter 14 - Ecowitt Gateway (GW1000) API
(15-Nov-2022) WiFi firmware EasyWeatherPro V5.1.0 released (for HP2560 and HP2550 last hardware revision consoles released. Application OTA.
(16-Nov-2022) firmware 2.2.0 released for GW1100 and GW2000 - changes see firmware section; firmware 1.8.7 released for HP25x0 consoles - changes see firmware section
(26-Nov-2022) added WH31 → WH32 conversion information to footnote 28 of the compatibility matrix
(27-Nov-2022) added WN1980 console (WN1910 successor model) and related information to matrix/footnotes
(01-Dec-2022) firmware 1.2.2 released for WN19x0 )x=0,1) consoles
(12-Dec-2022) firmware 1.1.0 released for WN1980 console
(26-Dec-2022) firmware 1.1.1 released for WN1980 console
(28-Dec-2022) updated HP2560 information
(11-Jan-2023) firmware 2.2.1 released for GW2000