I've been looking into USB 2.0 range extenders recently, in support of my big-dish radio astronomy project. There's a company called ICRON that has a Ranger 2101 product that allows you to extend USB 2.0 up to 100M with Cat5e cable, and it's about $300.00. This is roughly half the cost of "traditional" extenders that used fibre optics to extend USB 2.0 over significant distances.
So, for anyone who'd really like the USRP right next to the antenna, something like this might be of use: http://www.icron.com/products/usb_new/usb20_ranger_2101_2104.php Now, I realize that the USRP2 will be using GigE, which will allow similar distances, but there are advantages to using the USRP1--like the dual daughtercards (we decided to go dual-polarization on our radio telescope project, so the USRP1 fits the bill nicely). Cheers Marcus
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