• Country
• People's Republic of China

• Manufacturer / Brand
• Gospell Digital Technology; Chenzhou, Hunan

• Year
• 2022 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 344335

Click on the schematic thumbnail to request the schematic as a free document.

Audio (to hear)

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• PLL, Phase-locked loop

• Wave bands
• Wave Bands given in the notes.

• Details
• Radio with other functions

• Power type and voltage
• Batteries / addl. power jack / Li-Ion-Akku: 3.7 V / DC 5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.2 cm = 2 inch

• Power out
• 5 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: DRM/AM/FM Receiver GR-228BP - Gospell Digital Technology;

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 180 x 128 x 65 mm / 7.1 x 5 x 2.6 inch

• Notes

• Funktionen

  1. DRM-Digitalradio und AM/FM-Radio
  2. DRM+ fähig
  3. XHE-AAC-Audio
  4. Bluetooth ® Musik streamen und freihändig telefonieren
  5. USB- und SD-Kartenleser
  6. Journaline und Scrolling-Textnachricht
  7. Empfang von Notfallwarnungen
  8. Anzeige der UKW-RDS-Sendernamen
  9. 60 Senderspeicher
  10. Automatische Scan-Optimierung
  11. AUX-Eingang
  12. Betrieb mit internem Akku oder Netzteil

  Technische Daten

  • Frequenzen:  FM: 65 - 108 MHz; MW: 522 - 1710 kHz; SW: 2,3 - 26,1 MHz
  • Sendervoreinstellung:  60
  • Konnektivität:  USB, TF, Bluetooth, Aux
  • Anzeigen:  16 Zeichen 2 Zeilen LCD-Display
  • Batterie:  3,7V/100/2200mAh-Li-Ionen-Akku
  • Adapter:  Netzadapter

• Net weight (2.2 lb = 1 kg)
• 0.850 kg / 1 lb 14 oz (1.872 lb)

• Price in first year of sale
• 280.00 €

• Author
• Model page created by Karl-Heinz Bradtmöller. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 2 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Gospell Digital Technology; Chenzhou, Hunan