A device that extends the range of a network or interconnects two different types of networks. A network extender may refer to Wi-Fi, cellular (wireless) or Ethernet (wired). See bridge
, Wi-Fi bridge
, cellular network extender
and media extender
A Verizon 5G Extender
With the antenna placed by the window, this innocuous-looking black box amplifies cellular signals for the Verizon network.