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PFX VHF and UHF FM 99-Channel Frequency Synthesised Portables
PFX VHF and UHF FM 99-Channel Frequency Synthesised Portables
1985
1985
PFX VHF and UHF FM 99-channel frequency synthesised portables
PFX VHF and UHF FM 99-channel frequency synthesised portables
The first synthesised PMR portable radio designed by Pye Telecom and a major family of FM hand-held equipment offering up to 99 operating frequencies.
The first synthesised PMR portable radio designed by Pye Telecom and a major family of FM hand-held equipment offering up to 99 operating frequencies.
The standard unit was a hand-held model fitted with a multi-way facility connector to enable external microphones and accessories to be used for body-worn applications etc.
The standard unit was a hand-held model fitted with a multi-way facility connector to enable external microphones and accessories to be used for body-worn applications etc.
The PF85, a 3 channel crystal controlled radio used similar case, battery and mechanics. Both were sold as Pye or Philips.
The PF85, a 3 channel crystal controlled radio used similar case, battery and mechanics. Both were sold as Pye or Philips.
Transmitter power output 1-5 Watts.
Transmitter power output 1-5 Watts.
PRP70 Series of VHF and UHF FM 256 Channel Portable Radiotelephones
PRP70 Series of VHF and UHF FM 256 Channel Portable Radiotelephones
1991
1991
PRP70 series of VHF and UHF FM 256 channel broadband synthesised portable radiotelephones
PRP70 series of VHF and UHF FM 256 channel broadband synthesised portable radiotelephones
A large family of state-of-the-art portables designed as a replacement for the Pye PFX.
A large family of state-of-the-art portables designed as a replacement for the Pye PFX.
The elegant broadband technology and performance made it most suitable for upper-market, specialist security applications.
The elegant broadband technology and performance made it most suitable for upper-market, specialist security applications.
The unit was sold to the UK Police and MOD for security applications including a version with 16KB digital encryption.
The unit was sold to the UK Police and MOD for security applications including a version with 16KB digital encryption.
Transmitter power output 0.5-5 Watts.
Transmitter power output 0.5-5 Watts.
SRP8000 Series of VHF and UHF Broadband Multi-channel Portables
SRP8000 Series of VHF and UHF Broadband Multi-channel Portables
1997
1997
SRP8000 series of VHF and UHF broadband multi-channel portables
SRP8000 series of VHF and UHF broadband multi-channel portables
A modern, mid-market, competitive series of portable radiotelephones, available in both simple and alphanumeric display versions.
A modern, mid-market, competitive series of portable radiotelephones, available in both simple and alphanumeric display versions.
A choice of 64 or 100 channel frequencies was also available.
A choice of 64 or 100 channel frequencies was also available.
Transmitter power output 1-5 Watts.
Transmitter power output 1-5 Watts.
Tetra
Tetra
1996
1996
Cambridge pioneered the world-wide Tetra digital communication standard for radiotelephones and introduced the first truly digital portable two-way radio products.
Cambridge pioneered the world-wide Tetra digital communication standard for radiotelephones and introduced the first truly digital portable two-way radio products.
Customers were slow to change over to digital and the Dolphin private trunked Tetra radio system was not a commercial success.
Customers were slow to change over to digital and the Dolphin private trunked Tetra radio system was not a commercial success.
Tetra developed slowly until the Public Safety and security agencies began to adopt the concept and moved over to the UK-wide BT Airwave network.
Tetra developed slowly until the Public Safety and security agencies began to adopt the concept and moved over to the UK-wide BT Airwave network.
SRP2000 and SRH3000 Series Digital Tetra Portable Radiotelephones
SRP2000 and SRH3000 Series Digital Tetra Portable Radiotelephones
2000 Onwards
2000 Onwards
SRP2000 and SRH3000 series digital Tetra portable radiotelephones
SRP2000 and SRH3000 series digital Tetra portable radiotelephones
These advanced equipment, now in widespread use worldwide, provide digital encryption, GPS location and other modern- day communication facilities.
These advanced equipment, now in widespread use worldwide, provide digital encryption, GPS location and other modern- day communication facilities.
The UK market for Tetra equipment came to life with the advent of the BT Airwave Tetra system.
The UK market for Tetra equipment came to life with the advent of the BT Airwave Tetra system.
Between 2000 and 2005 Police, fire ambulance, other public safety users and Government Agencies moved over from individual private mobile radio systems to the Airwave network.
Between 2000 and 2005 Police, fire ambulance, other public safety users and Government Agencies moved over from individual private mobile radio systems to the Airwave network.
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