Pye Telecom

System Control in the 1970s

PC1, PC2, PC3, PC5 Series Controllers


1970

PC1, PC2, PC3, PC5 series Controllers

These were a family of small, modern, solid-state equipment for controlling VHF and UHF fixed stations over land landlines.

Both simplex or duplex operation of the fixed station transmitter-receivers could be provided, and one or two separate fixed stations could be controlled.

This family of controllers used a modular ‘motherboard’ and ‘daughterboard’ construction for maximum capability in a compact desktop size.

Mascot 50 Radiotelephone Control Unit


1972

Multi-access Systems Control Terminal

The MASCOT family of controllers was a major new generation of radio communications control systems which were modular and expandable in scale or system operation.

Mascot 50 Radiotelephone Control Unit

This base model of the Mascot controller family could control up to 5 separate VHF or UHF fixed station transmitter-receivers over GPO landlines.

Mascot 70 Radiotelephone Control Unit

1975

Mascot 70 Radiotelephone Control Unit

This model of the Mascot controller family could control up to 7 separate VHF or UHF fixed station transmitter-receivers over GPO landlines.


Mascot 200 Radiotelephone Control Unit


1977

Mascot series Controllers

Mascot 200 Radiotelephone Control Unit

This model of the Mascot controller family could control from 5 to 20 separate VHF or UHF fixed station transmitter-receivers over GPO landlines.



Mascot M1000 Controller


1979

Mascot series Controllers

Mascot M1000 Controller

This large-scale controller system could handle up to 100 radio channels and up to 100 control operators.

Control systems such as this were used in the control rooms of major police forces and other public safety control rooms.