• Country
• People's Republic of China

• Manufacturer / Brand
• Rocam, Shenzhen Yelaw Technology Co.,Ltd.; ShenZhen

• Year
• 2022 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 349278

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• DSP, Digital Signal Processor

• Wave bands
• DAB and FM, perhaps with Streaming [DABFM]

• Power type and voltage
• Batteries / addl. power jack / Li-Ion 3.7 / USB 5 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Portable DAB Radio CR1015DAB - Rocam, Shenzhen Yelaw

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

• Dimensions (WHD)
• 68 x 117 x 32 mm / 2.7 x 4.6 x 1.3 inch

• Notes

• The ROCAM 1015DAB portable radio features DAB/DAB+ and FM-RDS bands, clock and alarm,

  Main features

  • FM (with RDS) band: 87.5 - 108.00 MHz
  • DAB/DAB+ band: 174.92 - 239.20 MHz
  • 30 memory presets per RF band
  • Clock updated from the RF station or manual, selectable
  • Built-in 3.7V, 1800mAh,Lithium Polymer battery, charged via USB port.
  • Dot matrix LCD

  Brief technical details

  The software version as shown in the System Menu is "CR1015DAB-V5.0.04. FM055.31-03".

  The main PCB assembly reference is "CR1015DAB.  FR-4 TH-1.  6MM  V3.2-2022-04-23".

  This model was designed around GL3140A-169B FM, Band-III DAB/ DAB+/ DMB-A/ FM-RDS 2MB SDRAM IC made by Glovane, a P25Q16SH 16Mbit SMIO Flash Memory IC by PUYA, both installed on a piggyback PCB  with the reference "C912-2 DAB Module Ver.01" made by CACHIP. 

  A custom CA32F06 0213 MCU made by CACHIP manages the radio. The audio output is handled by a 8002D Class-AB amplifier IC by IDCHIP. A 6211A regulator IC, a 4056C battery charger IC, and a some additional active components handles the power supply and switching..

   

• Net weight (2.2 lb = 1 kg)
• 0.150 kg / 0 lb 5.3 oz (0.33 lb)

• Author
• Model page created by Jose Mesquita. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, with images and with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Rocam, Shenzhen Yelaw Technology Co.,Ltd.; ShenZhen