A number of trials took place with a number of sets and with the PF1 in particular in the city of London and Glasgow city police areas and the PF1 was found to provide good coverage inside police vehicles and buildings.

A modern version of the PF1 and an example of a good idea updated consisting of a PF9R and a PF9T only available in UHF and using plug in frequency modules allowing a quick change of frequencies over a narrow band. The receiver had a circuit that would detect a strong local RF field and turn the receiver off when you were transmitting.

The PF1 Pocketfone was a ground-breaking, low-power, two-unit UHF hand-held portable featuring the transmitter and receiver in separate cases. The design of the PF1 was driven by the Pye Telecom Managing Director John Brinkley, who had formerly worked at …

Pye PF1 Pocketfone, UHF handheld portable radiotelephone. Pye pioneered the use of UHF frequencies for short-range communications and the PF1 was widely adopted by the Home Office for local communications by all police forces. The …

However as this trial was taking place PYE had come up with the PF1 design, a two unit radio with seperate transmitter (PF1T) and receiver (PF1R) in the UHF band. Unlike the GEC LANCON and the other VHF sets the PF1 didn't have any external leads and was felt more suitable for use by a Police officer.

One of the most significant equipments ever produced by PTL was the PF1 UHF Pocketfone, first demonstrated to the press in August 1964. This was a two-unit hand held equipment; a transmitter with a ‘pop-up’ rod aerial and a receiver with an internal aerial (making use of the tiny metal gauze over the miniature loudspeaker).

Pye PF1 receiver WOODEN car adaptor used in panda cars. 1 OFF mint.. 3 OFF. DAVE HICKS G8EPR, MUSEUM CURATOR, HAD A SERIOUS ACCIDENT AT WORK IN EARLY 2016. SADLY HE DIED AT THE END OF APRIL 2017.

Pye PF1C Compact, UHF handheld portable radiotelephone A single unit, larger version of the PF1 UHF portable, which mounted both transmitter and receiver into one case. This case-design concept became the standard for all hand-held portable radiotelephones up to the present day.

2010年1月19日 · Pye PF1 'Pocketfone' Personal Radio (1960s-1970s) These were the first type of personal radio issued to the police in south Wales in the mid-1960s, and remained in use until the mid-1970s. They came as either transmitters or receivers.

A modern version of the PF1 and an example of a good idea updated consisting of a PF9R and a PF9T only available in UHF and using plug in frequency modules allowing a quick change of frequencies over a narrow band.