I bought this before reading these reviews. Hope this saves someone else the heartache. This product is designed for the original Linksys BEFW11S4 router. Since the V3 model, the antennas have been changed. I have a V3 and the antennas are not suitable for the WSB24 signal amplifier. I know the V4 version of the router is out now, but I don't know if the antennas have changed. Look for the serial number on the bottom of the router. Next to it is the model number, which contains the version. I found a company that makes replacement antennas for Linksys routers and bought a pair that work with the WSB24. I gave this product 3 stars because it doesn't sell well. There should be a warning that this product does not work with all BEFW11S4 models at the same time.
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