MPT 1327 : A signalling standard for trunked private land mobile radio systems: January 1988 / Radiocommunications Agency
MPT 1331 : code of practice: for radeio site engineering / Radiocommunications Agency
MPT 1403 : issue 4: performance specifications and frequency assignment criteria for digital private fixed radio relay equipment and antennas operating in the frequency bands 12.75 GHz to 13.25 GHz and/or 14.25 GHz to 14.5 GHz / Radiocommunications Agency
MPT 1409 : performance specifications and frequency assignment criteria for private fixed point to point systems in the frequency band 21.2 to 23.6 GHz / Radiocommunications Agency