Incoming Radio: Seek Professional Help

This is the thing:

R-333BT

It ended up costing $30 on TEMU, whatever it is. I probably overpaid — other sellers have something similar looking for less.

I couldn’t find a manufacturer or model in the product description (linked “manual” says it’s R-333BT). The manual is just a list of product specifications. The main features are: red and stereo. It reminds me some of the Evche EC-2110BTS, a device that has a solid speaker.

Shortwave coverage looks like 8 to 16 MHz. MW is 530 – 1600. FM 88-108.

Reviewers said it’s very loud.

Additional features include Bluetooth, MP3, equalizer, AUX input, disco lights and a flashlight.

The product description says batteries not included. The “manual” says 4 D cells, but also an internal rechargeable battery.

Likely destination: Goodwill store, but it might get used as a Bluetooth speaker.

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Happy 1981!

It was New Years Day 45 years ago when I opened my new Radio Peking calendar to the first page of the new year. And in that January 1 square I penciled in reception notes from what I heard on my new Realistic DX-300 receiver.

1981 Radio Peking Calendar
1981 Radio Peking Calendar (click to expand)
  • Radio Relojio Brazil
  • R. Quito, Ecuador
  • R. Progresso, Ecuador
  • R. Bare, Brazil 9895
  • REE Spain
  • VOA, Liberia 17870
  • R. Kuwait, 11650
  • R. Continente 5030
Realistic DX-300 receiver

The DX-300 is long gone, but I still have the calendar, and I’ve hung it on the wall for 2026 as the week days and dates once again correspond.

Sadly, many of those stations are gone. The VOA transmitter in Liberia has been off the year for years, but as the months of 2026 pass, I’ll have warm nostalgia thinking about the younger version of me tuning the bands back when the noise floor was much lower and many more countries tried to make friends across the world through shortwave radio.

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First Impressions: Moliao RADIO Q7

“RADIO” is the brand on the box. It’s manufactured by Shenzhen Moliao Technology Company in China. I snagged it on Temu for $10.17 US including shipping for the retail box, radio, manual, wrist strap, internal rechargeable battery and USB-C charging cable. Temu now marks this as “Sold Out.” Amazon US has it for $21.99 and offers black, red and khaki.

Moliao RADIO Q7
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First Impressions: Baijiali KK9

I blew $7.66 ($20 minimum order), including shipping, on Temu to snag this MW/FM/SW radio. A couple of years ago they went for $5.

Baijiali KK9
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New Version: HanRongDa K-603

I bought the Zhiwhis version (ZWS-603) in April of 2022 and I learned that there had been firmware updates since my V1.6 radio to V2.4. Zhiwhis tech support told me that my older radio couldn’t be updated to the latest firmware; the circuitry had changed.

HanRongDa K-603 and Zhiwhis ZWS-603
HanRongDa K-603 and Zhiwhis ZWS-603
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Incoming Radio? Si4732 ATS Mini

But, but, but you already an Si4732 mini.

Yes, but there is new firmware, notably with RTTY/CW decoding. It also supports loading the EiBiSpace schedules from a computer. And there is ETM, a waterfall display and a gray scale mode. All that and more.

This update is from enthusiast H. J. Berndt. You can read about it and get started yourself. Ask your browser to translate to your language. Firmware is a moving target, so the best way to get up-to-date information is from the source link.

Installation

The installation instructions direct the user to employ the Adafruit WebSerial ESPTool for installation. I was lucky and picked the correct COM port on the first try. It was the one on my Windows 11 computer labeled “USB JTAG debug.” All I had to do was select the binary file I downloaded and it installed (just set the file for the first location). This is considerably simpler than the flash tool I’ve used in the past.

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Incoming Radios: HanRongDa K-603, Moliao RADIO Q7, and Baijiali KK9

RADIO Q7
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