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It's just gotten LOTS EASIER to purchase and get going with your SDR Cube Transceiver!

Software Update & Calibration Service ... is available at no charge. See item below for details

Fully Assembled & Tested SDR Cube Transceiver
Includes Softrock RF deck, with Multi-Rx module and one TXPA module.
(Specify TXPA module for 80m/40m or 30m/20m/17m.  Other one optionally available below.)

$299  (Ordering to open again in March.)

(SDR Cube ON HOLD while awaiting new enclosures and restocking of the RF Deck modules.)

Set of 8 pre-asembled & tested PCB assemblies: 
DSP, Controls, I/O board, Softrock Base, TXPA (1), Multi-Rx, X-LPF, Internal Cables, and Enclosure.

$209  (Ordering to open again in March.)
Quick-Kit ON HOLD while awaiting new enclosures and RF Deck modules, due end Feb.

See video of Inner Electronics in action (RF Deck not shown in this video.)



NUE-PSK MODEM Interface Cable

Cable connects the SDR Cube Transceiver to the NUE-PSK Digital Modem.  Allows seamless use of the NUE-PSK to provide digital mode support for PSK31, RTTY and CW (decoder).


$10 ...

AUDIO Interface Cable

Custom-made cable connects the SDR Cube Transceiver's audio in/out to computer soundcard or external soundcard device (SignaLink, SoundBlaster, etc)

Be sure to specify the COMPUTER or SOUND CARD type that you have, so we can make the right cable for you!

Soundcard type:
$20 ...

MICROPHONE Interface Cable

Custom-made cable adapts any modern microphone for use with the SDR Cube Transceiver.

Be sure to specify the MICROPHONE MODEL that you have, so we can make the right cable for you!

Microphone make & model:
$20 ...

COMPUTER Interface Cable

Custom-made cable connects the SDR Cube Transceiver to a computer USB port ... for loading new Cube software, viewing Cube user settings and diagnostics, and more.  FTDI software driver required for the computer. 

$20 ...

Software Update & Calibration Service



Just pay for the return shipping.  Send us your Cube (see Midnight Design address below), and well be happy to:

1)  Load the latest software;

2)  Run your Cube through the calibration process here on the bench: frequency, opposite sideband rejection (for Rx) and suppression (for Tx), and S-meter;

3)  If your Cube has the Softrock option, well set it for optimum drive levels and give you a spectral plot of its RF performance;

4)  A handy, formatted report is provided showing all settings and performance results.


$21 (for return shipping & handling)

[Note: This is not a repair service.  If your Cube isn't working and is not obviously fixable, Ill let you know.]

TXPA Plug-in Board
Select Band:

Assembled & Tested: $40


Multi-Rx Board

Assembled & Tested: $40




(Pay for items selected from above)

Ordering by Postal Mail ...

Print out this order page and mark the the desired items.  Total the prices, add shipping(*), and write check or Money order payable to "Midnight Design Solutions, LLC" and mail to Midnight Design Solutions, 205 Okema Trace, Loudon, TN 37774.   

* Shipping fees: 


Fine Print
Prices, availability and product specifications are subject to change at any time.
Customers accept all responsibilities for following safe and approved assembly practices and product usage.
Orders are typically shipped within 1-2 weeks due to order preparation.
All orders are acknowledged by email, usually within 24 hours.  If acknowledgement is not received, please contact me directly.

Page last updated:  Feb 20, 2019