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+---
+layout: page
+title: "RaspyRFM Switch"
+description: "Instructions on how to integrate RaspyRFM switches into Home Assistant."
+date: 2018-12-08
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: seegelsysteme.png
+ha_category: Switch
+ha_release: 0.85
+ha_iot_class: "Assumed State"
+---
+
+The `raspyrfm` component adds support for cheap RC 433 MHz outlets via one of the supported gateways.
+
+Initially, this component was created to support the Simple Solutions `ConnAir` gateway which has been discontinued. There are custom alternatives that reimplemented the protocol used by the ConnAir though like this [ConnAir emulator](https://github.com/Phunkafizer/RaspyRFM/blob/master/connair.py) which can be used in conjunction with the [RaspyRFM-II](https://www.seegel-systeme.de/produkt/raspyrfm-ii) RC module for a Raspberry Pi.
+
+Other vendors of 433 MHz RC outlets have also created gateways that use a very similar protocol and can also be used with this component like the Intertechno [ITGW-433 LAN Gateway](https://www.intertechno24.de/LAN-Gateway/Gateway-ITGW-433.html) 
+ 
+
+```yaml
+# Example configuration.yaml entry
+switch:
+  platform: raspyrfm
+  switches:
+    - controlunit_manufacturer: Intertechno
+      controlunit_model: CMR 1000
+      channel_config:  # Note that keys used here vary between control units
+        master: A
+        slave: 1
+```
+
+{% configuration %}
+gateway_manufacturer:
+  description: Manufacturer of the gateway.
+  required: false
+  default: Seegel Systeme
+  type: string
+gateway_model:
+  description: Model of the gateway.
+  required: false
+  default: RaspyRFM
+  type: string
+host:
+  description: Host of the gateway.
+  required: false
+  default: 127.0.0.1
+  type: string
+host:
+  description: Port of the gateway.
+  required: false
+  default: depends on the gateway model
+  type: integer
+switches:
+  description: List of switches that can be controlled with this gateway.
+  required: true
+  type: list
+  keys:
+    name:
+      description: Name for the device.
+      required: false
+      default: Unnamed Device
+      type: string
+    controlunit_manufacturer:
+      description: Manufacturer of the control unit.
+      required: true
+      type: string
+    controlunit_model:
+      description: Model of the control unit.
+      required: true
+      type: string
+    channel_config:
+      description: Channel configuration of the control unit. The exact keys needed depend on the control unit manufacturer and model.
+      required: true
+      type: dict
+{% endconfiguration %}
+
+### {% linkable_title Device support %}
+
+Have a look at the underlying library [raspyrfm-client](https://github.com/markusressel/raspyrfm-client) to check what gateways and control units (outlets) are supported.
+
+### {% linkable_title Channel configuration %}
+
+Depending on the control unit the channel config can have varying formats. Have a look at the underlying library [raspyrfm-client](https://github.com/markusressel/raspyrfm-client) to find out about a specific model.
+
+### {% linkable_title Switch state %}
+
+Initially, the state of a switch is unknown. When the switch is turned on or off (via frontend) the state is known and will be shown in the frontend.
+
+<p class='note warning'>
+Note that due to the way those cheap RC units work it is **not possible to query their current state**. Therefore the only way to preserve a consistent state within Home Assistant is to only use Home Assistant as the controller.
+</p>
+
+### {% linkable_title Full example %}
+
+```yaml
+switch:
+  platform: raspyrfm
+  gateway_manufacturer: Seegel Systeme
+  gateway_model: RaspyRFM
+  host: 127.0.0.1              # Optional
+  port: 49880                  # Optional
+  switches:
+    - name: My Switch
+      controlunit_manufacturer: Intertechno
+      controlunit_model: CMR 1000
+      channel_config:
+        master: A
+        slave: 1
+    - name: My other Switch
+      controlunit_manufacturer: Brennenstuhl
+      controlunit_model: RCS 1000 N Comfort
+      channel_config:
+        1: 1
+        2: 1
+        3: 1
+        4: 1
+        5: 1
+        CH: A
+```
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