TiVo AG0100 Wireless G USB Network Adapter for TiVo Series 2 and Series 3 DVRs
Works Great
This is my second purchase of the Tivo Wireless Adapter.  The first one is in the same room as the router, this one is a couple of rooms away.  They both work fine.  Installation was extremely simple and once Tivo found the network, the setup was done.  It is really nice transferring shows between my two Tivos and with my daughter recouperating from major back surgery, she can now watch the same shows on her computer in her bedroom.  So far I couldn't be happier.