Bantam Portable VHF Radiotelephone HP1FM

Pye Ltd., Radio Works; Cambridge

  • Year
  • 1967 ?
  • Category
  • Commercial Transmitter & Receiver (TRX not Amateur)
  • Radiomuseum.org ID
  • 321176

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Transceiver; ZF/IF 10700/455 kHz
  • Wave bands
  • VHF incl. FM and/or UHF (see notes for details)
  • Power type and voltage
  • Dry Batteries / AA: 13 x 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Power out
  • 0.25 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Bantam Portable VHF Radiotelephone HP1FM - Pye Ltd., Radio Works;
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 140 x 229 x 52.3 mm / 5.5 x 9 x 2.1 inch
  • Notes
  • A battery powered portable transceiver supplied with a microphone and leather carrying case with shoulder strap, which operates in the VHF band 25 - 174 MHz. Torch batteries are held in a supplied cassette, a rechargeable nickel/cadmium battery cassette and charger type BC1 are an optional extra. With transmitter power of 1 watt (or 0.5 watt) and a high performance receiver with built-in loudspeaker. With built in telescopic aerial and a 50 ohm coaxial socket for external antenna.

    Controls   
    OFF-ON-LS  In the centre position (ON) the microphone is connected as an     
                        earphone with the loudspeaker disconnected
    Volume control
    Squelch control
    Channel switch
    Press-to-transmit button on microphone

    Specification  
    Service F3 telephony. Single or two-frequency simplex
    Frequency Range 25-174 MHz
    Channel Spacing 20/25/30 kHz or 40/50/60 kHz
    Antennas A 50Ω coaxial socket is provided in addition to the
    built-in telescopic antenna and the flexible wire
    antenna carried in the leather shoulder strap
    Receiver               
    Sensitivity 0.5µV for 20dB quieting
    Audio Output 250 mW at less than 10% distortion
    Spurious Responses At least 60 db down
    Selectivity 60dB
    Transmitter       
    Power Output 1W nominal (0.5W alternative)
    Modulation Maximum peak deviation 5kHz or 15kHz for
    25kHz or 50kHz channel spacing respectively

    Total weight with case 2.1kg., dimensions (WHD) 146 x 247 x 59 mm.

  • Net weight (2.2 lb = 1 kg)
  • 1.3 kg / 2 lb 13.8 oz (2.863 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (PYE Bantam HP1FM Brochure)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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