uSDR uSDX+ Plus V2 10/15/17/20/30/40/60/80m 8 Band SDR All Mode HF SSB QRP Transceiver


  Availability: In Stock
  Shipping: Free Airmail 
  Ship From: China Warehouse
  Estimated Delivery: 
  •   Shipping Methods

    Handling Time

    Before we can ship your order, we prepare your products, do strict quality-control tests and carefully package the items. The time it takes to prepare your items for shipping is separate from the delivery time. It usually takes 1-3 business days to ship out .

    Shipping Methods

    You can choose the preferred shipping method on the cart page during the checkout process. We offers 3 international shipping methods:

    1. Airmail – Free untracked economy shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    2. Airmail Registered – Tracked shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    3. Expedited Shipping – Express shipping with courier delivery (DHL, UPS, FedEx, TNT)

    Delivery Time

    Airmail and Airmail Registered Area Estimated Delivery Time
    United States, Canada 7-25 business days
    Australia, New Zealand, Singapore, United Arab Emirates 10-25 business days
    United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland 10-25 business days
    Italy, Brazil, Russia, South Africa 10-45 business days
    Other countries 10-35 business days
    Expedited Shipping 3-10 business days to Worldwide

    Note: If you choose an expedited shipping, please remember to leave a valid contact number, this is required for expedited shipping’s courier delivery.

  •  Returns & Refund

    Last updated October 05, 2022


    If you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund within 15 days from delivery date. All returned items must be in new and unused condition, with all original tags and labels attached.

    Return Process

    To return an item, please email our customer service at to obtain a Return Merchandise Authorization (RMA) number. After receiving a RMA number, place the item securely in its original packaging, and mail your return to the following address:

    Alex NLD
    Attn: Returns
    RMA #
    HaGiborim St 8
    Tiberias, 14388

    Please note, you will be responsible for the return shipping charges. We strongly recommend that you use a trackable method to mail your return.

    All customers should contact us and obtain Return Merchandise Authorization (RMA) number before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.


    After receiving your return and inspecting the condition of your item, we will process your refund to the credit / debit card or PayPal account which was used to place the original order.

    Please allow at least seven (7) days from the receipt of your item to process your refund. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your refund has been processed.


    If an item is found damaged or defective on receipt, we kindly ask you to contact us within 15 days from the delivery date to arrange a refund or exchange without physical return of the item.

    Please provide us with following:

    1. Photos of the front and back sides of the packaging box;
    2. A photo, video or screenshot of the defective item or the defective part of the parcel.

    Our customer service team will communicate with you to arrange a refund or reshipment without physical return of the item.

    Warranty & Repair service

    If any of the items you have purchased from us is found defective within 1 year from receipt, you are entitled to a repair under warranty. Please kindly provide us with evidence photos or videos of the defective item. After providing such information to our Customer Service team  and the problem is acknowledged, you can send the items back to us for a repair.

    Note:  Please be aware, we do not cover the cost of the returns fees in  warranty & repair service.

    Order Cancellation

    If you want to cancel an order within 24 hours from confirmation of the payment, you will be entitled to a full refund. It is still possible to cancel an order after 24 hours, provided that it has not yet been shipped. If an order has been shipped, it’s impossible for us to cancel or modify it anymore. If you still want a refund, you required to return the item on it’s arrival.


    If you have any questions concerning our return policy, please contact us at:

    +972 054-536-2888



Test video:


Some reference links:


Hardware 1

Hardware 2

Hardware 3


it is optimized fromuSDX QCX-SSB open source hardware. The powerful software supports the use of less hardware to complete the SW transceiver and supports the SSB mode (reception quality is very good, transmission quality is slightly worse). In addition, the developer also developed an AM/FM mode for it, but AM/FM is defined as a gift function. Don’t expect AM/FM too high.

This is a shortwave QRP SSB/CW transceiver. Ultra-small size is easy to carry to outdoor use, using 1602N LCD display
screen, built-in speaker, support to connect to PC, use FT8, JS8, FT4 and other digital mode software control, support CW automatic decoding.
8 bands covering 80m/60m/40m/30m/20m/17m/15m/10m.
Excellent PCB layout design that conforms to high-frequency circuit design principles to ensure excellent performance.
It can reach 3-5W power in 8 bands, and reserve SOT-223 and TO-220 package pads for upgrades
High emission efficiency, 80m/60m/40m/30m/20m efficiency is higher than 80%, 17m efficiency is higher than 70%, 15m/10m efficiency is higher than 60%
High-precision KDS brand TCXO, frequency accuracy better than 1PPM, frequency stability better than 0.5PPM
Ultra-small size: 83*38*124mm (excluding protruding parts)
Abundant interfaces (CAT, PTT OUT, MIC/KEY, K-head microphone)
All LPF parts use 100V C0G/NP0 capacitors
Use original genuine Omron magnetic latching relay
Use a lower noise op amp chip than the LM4562
Built-in speaker with cavity
BNC Antenna Interface


Type: HF QRP SDR Transceiver
Mode: SSB/CW
RF output: 10W max at 13.8V exit DC in
Frequency range: 3.5-30MHz
Built-in Microphone
Antenna/connector: 50ohms/SO-239
 Shell size: length 12.4cm x width 8.7cm x height 3.7cm (excluding protruding parts)
Packing weight: 550g
Packing size: 18 x 12 x 8cm


1. Simple, interesting and versatile QRP SSB HF transceiver with embedded DSP and SDR functions;
2. EER Class-E drives SSB transmission class
3. Use 13.8V power supply to output about 5W PEP SSB
4. Full mode support: USB, LSB, CW, AM, FM (SSB mode has good receiving effect, but poor transmitting effect. AM and FM mode are gift power, poor effect)
5. DSP filters: 4000, 2500, 1700, 500, 200, 100, 50 Hz passband
6. DSP functions: Automatic Gain Control (AGC), Noise Reduction (NR), Voice Trigger Xmit, RX Attenuator (ATT), TX Noise Gate, TX Drive control, volume control, dBm/S meter.
7. SSB to sideband/carrier suppression transmit: better than -45dBc, IMD3 (dual tone) -33dBc, receive: better than -50dBc
8. Multi-band support, continuously adjustable through 80m-10m frequency band (starting from 20kHz~99MHz, performance loss)
9. Open source firmware, built with Arduin0 IDE; allows experimentation, new features can be added, contributions can be shared via Github, software complexity: 2000 lines of code
10. Software based Voice Trigger Xmit can be used as fast full control (QSK and half QSK operation) or auxiliary RX/TX switching to operate digital mode (no need CAT or PTT interface), external PTT output/PA control with TX-delay
11. Simple installation modification with 8 component changes and 8 wires
12. Lightweight and Low-Cost Transceiver Design: High energy efficiency due to EER transmitter class E (no need for bulky heat sinks), and and simple design (no need for complex balanced linear power amplifiers)
13. All-digital and software-based SSB transmitter stage: by controlling the phase of the SI5351 PLL (via a small frequency change on 800kbits/s I2C) and amplitude of PA (via PWM PA key shaping circuit)
14. All-digital and software-based SDR receiver stage (optional): Sample I/Q (complex) signal from quadrature sampling detector digital mixer and mathematically perform a 90-degree phase shift (Hilbert transform) in the piece and cancel one by adding sidebands
15. Three independent switchable analog front end receiver attenuators (0dB, -13dB, -20dB, -33dB, -53dB, -60dB, -73dB)
16. Receiver noise floor MDS: –135 dBm at 28MHz (200Hz BW)
17. Receiver front-end selectivity: +/-2kHz steep -45dB/decade roll-off from tuned frequency
18. Blocking dynamic range: 20kHz offseit 123dB, 2kHz offseit 78dB
19. CW Decoder, Straight/Iambic-A/B Keyer
20. VFO A/B + RIT and Split, and corresponding relays via I2C with filter switching
21. CAT support (using TS-480 protocol)

Package included:

1 x Transceiver(not included battery)
1 x Microphone
1 x Charger (EU/US plug)
4 x Machine Feet

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