BLAKADDERwhen buying from itead.cc for a 10% discount.
BLAKADDER23 when buying from mediarath.de Tasmota category and a minimum order value of 50€ for a 10% discount. The code is valid until end of 2023.
4CHPROR3 supports RF remotes independent from Tasmota, it is managed by a secondary MCU.
If you want to use the RF433 module, direct connect SYN470R output to SDA (GPIO2) and configure RF Receiver.