The Marconi 2955B combines all the measurement facilities required for testing mobile radio transceivers in the range up to 1000 MHz. This unit was also marketed as an IFR 2955B.
The 2955B is a compact self-contained unit designed for bench or mobile use and can be considered as a combination of the following instruments: RF frequency meter, AF frequency meter, RF signal generator, AF generators (2), RF power meter, AF and DC voltmeter, Modulation meter, AF distortion meter, S/N or SINAD meter, Digital Storage Oscilloscope, Sequential tones decoder and encoder, DTMF decoder and encoder, DCS decoder and encoder, and POCSAG radio pager encoder.
