# Is fibaro roller shutter, an IO, i.e. two way communication? **URL:** \ **Category:** Questions & Help\ **Tags:** homey-pro\ **Created:** [January 21, 2024, 12:56pm UTC](https://community.homey.app/t/is-fibaro-roller-shutter-an-io-i-e-two-way-communication/101846 "2024-01-21T12:56:00Z")\ **Posts on this page:** 1\ **Showing post:** 3
**Author:** ![Dijker](https://avatars.discourse-cdn.com/v4/letter/d/b9bd4f/32.png) [@Dijker](https://community.homey.app/u/Dijker)\ **Post date:** [January 21, 2024, 1:08pm UTC](https://community.homey.app/t/is-fibaro-roller-shutter-an-io-i-e-two-way-communication/101846/3 "2024-01-21T13:08:41Z")
> [@Marian\_Satko](#): > > Fibaro Roller shutter Wow, many questions… Fibaro is always Z-Wave, it has for the App a specific Topic: [[APP] Fibaro - Your home is your castle (by Athom)](https://community.homey.app/t/app-fibaro-by-athom/362) For all Fibaro / App / Device related Questions of Fibaro , please ask there. and Z-Wave is a 2-way communication protocol See here: [What is Z-Wave? | Homey](https://homey.app/en-us/wiki/what-is-z-wave/) And NO, it isn’t IO - That’s a dirty proprietary that is only closed / secret by Velux / Somfy Never Heard of TRS … RTS is probably the simple RF signal Somfy also uses but one way… --- _[View the full topic](https://community.homey.app/t/is-fibaro-roller-shutter-an-io-i-e-two-way-communication/101846)._