Hoy me he puesto a trastear la señal, y efectivamente, el cacharrito recibe y decodifica directamente la señal de radio, e incluso la retrasmite por mqtt
felipe@raspberrypi:~/rtl_433 $ rtl_433 -f 868M -R 78:vv
rtl_433 version 22.11 (2022-11-19) inputs file rtl_tcp RTL-SDR SoapySDR
Use -h for usage help and see https://triq.org/ for documentation.
Trying conf file at "rtl_433.conf"...
Trying conf file at "/home/felipe/.config/rtl_433/rtl_433.conf"...
Trying conf file at "/usr/local/etc/rtl_433/rtl_433.conf"...
Trying conf file at "/etc/rtl_433/rtl_433.conf"...
New defaults active, use "-Y classic -s 250k" for the old defaults!
Registered 1 out of 223 device decoding protocols [ 78 ]
Detached kernel driver
Found Rafael Micro R820T tuner
Exact sample rate is: 1000000.026491 Hz
[R82XX] PLL not locked!
Sample rate set to 1000000 S/s.
Tuner gain set to Auto.
Tuned to 868.000MHz.
Allocating 15 zero-copy buffers
baseband_demod_FM: low pass filter for 1000000 Hz at cutoff 200000 Hz, 5.0 us
Exact bit width (in us) is 57.95 vs 58.00, 42 bit preamble
fineoffset_WH24_callback: Raw @ bit_offset [60]: {136} 24 49 de 02 7c 4f 35 08 04 d7 04 c4 07 0c 6a 40 b5
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
time : 2025-06-09 14:12:40
model : Fineoffset-WH24 ID : 73
Battery : 1 Temperature: 23.6 C Humidity : 79 % Wind direction: 222 Wind speed: 7.4 m/s Gust speed: 9.0 m/s
Rainfall : 371.7 mm UV : 1220 UVI : 3 Light : 46193.0 lux Integrity : CRC
pulse_slicer_pcm(): Fine Offset Electronics, WH25, WH32B, WH24, WH65B, HP1000 Temperature/Humidity/Pressure Sensor
bitbuffer:: Number of rows: 1
[00] {203} aa aa aa aa aa a2 dd 42 44 9d e0 27 c4 f3 50 80 4d 70 4c 40 70 c6 a4 0b 54 20
Exact bit width (in us) is 57.95 vs 58.00, 42 bit preamble
fineoffset_WH24_callback: Raw @ bit_offset [60]: {136} 24 49 d1 02 7c 4f 34 08 04 d7 04 b8 06 fe 96 a2 1a
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
time : 2025-06-09 14:12:56
model : Fineoffset-WH65B ID : 73
Battery : 1 Temperature: 23.6 C Humidity : 79 % Wind direction: 209 Wind speed: 3.3 m/s Gust speed: 4.1 m/s
Rainfall : 314.7 mm UV : 1208 UVI : 2 Light : 45839.0 lux Integrity : CRC
pulse_slicer_pcm(): Fine Offset Electronics, WH25, WH32B, WH24, WH65B, HP1000 Temperature/Humidity/Pressure Sensor
bitbuffer:: Number of rows: 1
[00] {205} aa aa aa aa aa a2 dd 42 44 9d 10 27 c4 f3 40 80 4d 70 4b 80 6f e9 6a 21 a2 10
Este es el fiiltro para reenviar por mqtt
rtl_433 -f 868M -R 78 -F "mqtt://broker.ipe.es:1883,user=ipe,pass=ipe"