• Country
• United States of America (USA)

• Manufacturer / Brand
• Vertex Standard Co.Ltd.; Cypress, CA

• Year
• 2002

• Category
• Commercial Transmitter & Receiver (TRX not Amateur)

• Radiomuseum.org ID
• 215629

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superhet, double/triple conversion; ZF/IF 43950/455 kHz

• Tuned circuits
• 11 FM circuit(s)

• Wave bands
• VHF incl. FM and/or UHF (see notes for details)

• Power type and voltage
• Powered by external power supply or a main unit. / 13,8 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 7 cm = 2.8 inch

• Power out
• 5 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: UHF Transceiver VX-4000U [F] - Vertex Standard Co.Ltd.;

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 170 x 60 x 195 mm / 6.7 x 2.4 x 7.7 inch

• Notes
• 250 Channels from 480 to 512 MHz. 25-40W RF Out.

• Net weight (2.2 lb = 1 kg)
• 2.2 kg / 4 lb 13.5 oz (4.846 lb)

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Alberto Sanna-Alonso. See "Data change" for further contributors.

• Other Models

• Here you find 19 models, 17 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Vertex Standard Co.Ltd.; Cypress, CA