Intertechno remote ITS-150 group switch

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I’m using an Intertechno ITS-150 remote to switch some of my lights at home. It has a group switch which switches all lights at once. The lights are defined with the protocol “switch4”, but when pressing the group switch on the remote I just see the following in the debug log:

23:55:13.283 [pimatic-homeduino] debug: data: "RF receive 320 1088 428 11308 0 0 0 0 01010101010101100100010001020100010101120112011203"
23:55:13.296 [pimatic-homeduino] debug: received: [ 320, 428, 1088, 11308 ] 02020202020202200200020002010200020202210221022103
23:55:13.332 [pimatic-homeduino] debug: switch28:  { id: 11185288, unit: 17494, command: undefined }

Can i use the switch28 protocol? What about the “command: undefined”?

sorry for the long delay on that. i put that on hold but no one actually answered.
is it still relevant?

looks like the switch28 is no option for you. it does not provide a state.
am not into the protocol coding, so i can only guess that either switch4 needs to be adapted

but you can try to use the new raw switch
check here (scroll down to bottom)
https://github.com/pimatic/rfcontroljs/blob/master/protocols.md

and here for an example
https://github.com/pimatic/rfcontroljs/issues/97