Aeroflex Inc., a wholly owned subsidiary of Aeroflex Holding Corp., announced the introduction of the new 3920B digital radio test set for Analog AM and FM, Digital P25, P25 Phase II, DMR, NXDN™, dPMR, TETRA and TEDS technologies. The 3920B features a new low phase noise RF signal generator in addition to the already advanced functionality available on the Aeroflex 3900 Series radio test sets. The 3920B is the direct replacement for all versions of the Aeroflex 3900 Series, including the 3901, the 3902, and the 3920.