If you haven't had to force a 10mbps/half duplex Ethernet connection between your CC and existing router, then these should work. If you have had to disable autonegotiation on your router's port in order to get a link, then these bridge/extenders will not work. I checked through their documentation and they support autonegotiation only. I'm looking for something like this for my CC Mystic, but it has an Asante PDS Ethernet card that won't talk to autonegotiate ports. I'll either end up replacing the card or buying another cheap wifi router supported by DD-WRT or Tomato and setting that up in Client Bridge mode.