Well, I bought this transceiver:

http://cm.ebay.com/cm/ck/1065-29392-...m=250410884492

And this LED bargraph and display:

http://cm.ebay.com/cm/ck/1065-29392-...m=230339128924

http://cm.ebay.com/cm/ck/1065-29392-...m=250329856385

As soon as they arrive, I'll start testing this project...