• Country
• People's Republic of China

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: China

• Year
• 2010 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 367379

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• FLL, Frequency-locked loop (not PLL)

• Wave bands
• FM Broadcast Band Only

• Details
• Radio with other functions

• Power type and voltage
• Solar- and/or muscle driven, also addl. power jack possible / 6 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3 cm = 1.2 inch

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: LED Torch FM Scan Radio MS-503 - Unknown - CUSTOM BUILT: China

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 175 x 90 x 90 mm / 6.9 x 3.5 x 3.5 inch

• Notes

• Wind-up mechanism for charging the internal battery. Additional built-in torch.

• Net weight (2.2 lb = 1 kg)
• 0.4 kg / 0 lb 14.1 oz (0.881 lb)

• Author
• Model page created by Francisco Martins. See "Data change" for further contributors.

• Other Models

• Here you find 555 models, 533 with images and 32 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: China