A Baofeng Programming lead (Buy one on eBay: 409 Shop on eBay).We tested on a Windows XP machine, but we understand this works on Vista and Windows 7 too. This page outlines how to do that, and also includes a datafile of the repeaters in the Essex area. If you own a UV-3R, rather than programming it up from the radio’s software interface, you may want to invest in a programming lead, and set up the radio and memory presets faster using software on your PC. There’s a guide on how to set up this radio for access to the Essex GB3DA repeater here: Setting up the Baofeng UV-3R for GB3DA Danbury Repeater If you own one of these radios, you’ll know that setting up the UV-3R is fairly straightforward, but the lack of a numeric keypad can slow down setting up memory presets and repeater details. The Baofeng UV-3R is a small and amazingly low-priced dual band ham radio – you can find out more on our Baofeng UV-3R Review.