text: """Support for UPnP/IGD Binary Sensors."""
  from __future__ import annotations
  
  from homeassistant.components.binary_sensor import (
      DEVICE_CLASS_CONNECTIVITY,
      BinarySensorEntity,
  )
  from homeassistant.config_entries import ConfigEntry
  from homeassistant.core import HomeAssistant
  from homeassistant.helpers.entity_platform import AddEntitiesCallback
  
  from . import UpnpBinarySensorEntityDescription, UpnpDataUpdateCoordinator, UpnpEntity
  from .const import DOMAIN, LOGGER, WAN_STATUS
  
  BINARYSENSOR_ENTITY_DESCRIPTIONS: tuple[UpnpBinarySensorEntityDescription, ...] = (
      UpnpBinarySensorEntityDescription(
          key=WAN_STATUS,
          name="wan status",
      ),
  )
  
  
  async def async_setup_entry(
      hass: HomeAssistant,
      config_entry: ConfigEntry,
      async_add_entities: AddEntitiesCallback,
  ) -> None:
      """Set up the UPnP/IGD sensors."""
      coordinator = hass.data[DOMAIN][config_entry.entry_id]
  
      LOGGER.debug("Adding binary sensor")
  
      async_add_entities(
          UpnpStatusBinarySensor(
              coordinator=coordinator,
              entity_description=entity_description,
          )
          for entity_description in BINARYSENSOR_ENTITY_DESCRIPTIONS
          if coordinator.data.get(entity_description.key) is not None
      )
  
  
  class UpnpStatusBinarySensor(UpnpEntity, BinarySensorEntity):
      """Class for UPnP/IGD binary sensors."""
  
      _attr_device_class = DEVICE_CLASS_CONNECTIVITY
  
      def __init__(
          self,
          coordinator: UpnpDataUpdateCoordinator,
          entity_description: UpnpBinarySensorEntityDescription,
      ) -> None:
          """Initialize the base sensor."""
          super().__init__(coordinator=coordinator, entity_description=entity_description)
  
      @property
      def is_on(self) -> bool:
          """Return true if the binary sensor is on."""
          return self.coordinator.data[self.entity_description.key] == "Connected"
  