50KHz-2GHZ V4 Malachite SDR DSP SDR Radio Receiver AM/SSB/NFM/WFM Shortwave Radio with Speaker Expansion Module


  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 sales@alexnld.com 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


Latest Malahit SDR v4
Immersion Gold Motherboard
Material: Aluminum shell
The shuttle operation feels good
Type-c charging port
Dual speakers dual channel
3.5 inch capacitive touch screen
Dimensions: 122 x 103 x 29.5mm/4.8 x 4.1 x 1.2′
Product Parameters:
1. Based on the SDR architecture, the msi001 radio frequency front-end 12bit quantization sampling is adopted, and the processor adopts STM32H743, the main frequency is up to 480 MHz;
2. The receiving frequency is 50kHz to 49.999MHz, 50.001MHz to 249.999MHz, 400MHz to 2GHz;
3. Demodulation type: AM, SSB, NFM, WFM, CW;
4. Sensitivity is better than 0.2-0.3μV;
5. Anti-blocking is better than 85 dB;
6. Real-time sampling bandwidth is 160 kHz;
7. Function: variable filter, adaptive noise reduction, threshold noise reduction, noise suppressor, AGC, equalizer, etc.;
8. Display screen is IPS 3.5 inches, capacitive touch screen with backlight adjustment;
9. The battery capacity is 3000mAh, USB-TYPEC interface;
10. The working current does not exceed 300mA;
11. Optional front-end attenuation filter components, attenuation up to 30dB;
12. Connect to the computer via USB, which can realize CAT, IQ and audio communication;
13. The size of the whole machine is 122 x 103 x 29.5mm.
14. Built-in Speaker Expansion Module
Design Details:
This is the latest version. All circuit parts are independently shielded, ultra-low noise LNA is upgraded, front full-frequency cavity speaker, improved stable encoder, attenuation and medium wave options are available.
The stability of the screen fixation, the position of knobs, and selected materials. Built-in retractable antenna. To have a better listening effect, this unit reserves an external antenna SAM female connector, and you can connect a better antenna. A power- off button is added deliberately. Using high-quality speakers, 80 is the maximum designed volume, please not exceed 80. The sound effects are carefully designed, not harsh when listening to short waves, and the sound quality will be more pleasant when listening to radio shows, with a dust-proof net speaker outlet. All parts are well-designed, including the position of the lanyard, and many adjustments have been made of aesthetics and convenience.

Package included:
1 x Malahit SDR V4
1 x Antenna

Details Pictures:

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