• Country
• United States of America (USA)

• Manufacturer / Brand
• Midland International Corporation, Midland Electronics Company; Kansas City, KS, MO

• Year
• 1987

• Category
• RF (Radio Frequency-) Amplifier

• Radiomuseum.org ID
• 228280

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• RF Converter/Adapter (not voltage converter)

• 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. / 13,6 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 cm = 2 inch

• Power out
• 1 W (undistorted)

• Material
• Metal case

• from Radiomuseum.org
• Model: Syn-Tech Handheld mobile converter 70-H40 - Midland International

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 190 x 67 x 337 mm / 7.5 x 2.6 x 13.3 inch

• Notes

• Mobile converter for  70-155 Syn-tech VHF radio. Bost RF from 2/5 to 40W RF.

• Net weight (2.2 lb = 1 kg)
• 2.9 kg / 6 lb 6.2 oz (6.388 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 205 models, 190 with images and 30 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Midland International Corporation, Midland Electronics Company; Kansas City, KS, MO