🏪 Merchant Information

Business Name:
Bunzee Labs - RF Hardware (India)
A division of DATTANSHA
Business Address:
DATTANSHA
Pune, India
Digital products - No physical shipment
Contact:
Email: [email protected]
Response within 24-48 hours

Unlock FULL Firmware

Product: DDX HF Digital Transceiver - TX-Enabled Firmware License
Format: Custom-compiled binary file (.uf2)
Delivery: Email delivery within 24-48 hours
License: Single radio, non-transferable
$10

This purchase is for a firmware license compiled for one specific DDX radio serial number. Please verify the serial from DEMO firmware before checkout.

⏱️ Custom Compilation: Built for your radio serial and delivered within 24-48 hours
Firmware will be sent to this email
Boot your radio with DEMO firmware, then use the USB serial number reader (opens in a new tab). Verify this matches the serial reported by your DEMO firmware before checkout.
HAM radio callsign for firmware display

Per-radio serial-bound license:

  • Custom compiled firmware
  • All HF band support
  • TX support
  • Tied to your radio's serial
  • Delivered within 24-48 hours
Serial Binding: This firmware will only run on the radio with the specified serial number. Each radio needs its own license.
Multiple Purchases: Same email is fine; use a different serial number for each radio.
If you make a serial mistake: Contact [email protected] as soon as possible. Corrections are easiest before compilation starts, but we will review each case and help where possible.

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💳 Payment Descriptor: Your bank statement will show: DATTANSHA DDX or PAYPAL *DATTANSHA

🔒 Secure Payment: Payments are processed securely through Razorpay (which has internal PayPal support). We do not store your card or banking details on this site.

How to Get Your Serial Number

  1. Build your transceiver using the hardware files
  2. Flash the DEMO firmware (included with hardware package)
  3. Connect the radio to a computer and power it on
  4. Open the USB serial number reader (opens in a new tab) in desktop Chrome or Edge and choose your radio
  5. Verify the USB serial matches the DEMO firmware serial; use the firmware serial for licensing if they differ
  6. Copy the serial number exactly as shown
  7. Purchase this firmware license with that serial number
Delivery note: Firmware is delivered by email after compilation. If you do not receive it within 48 hours, contact support with your payment ID and serial number.

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