[FS] XTA Electronics RT1 Real Time Spectrum Analyzer with RTA Microphone on eBay.

[Tomas Dabasinskas]

A great device combo from the last millennium!

http://www.ebay.co.uk/itm/121895733286?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649