5W usDX SDR QRP HF Transceiver All Mode Supporting 15M 20M 40M Bands+Morse Key

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eBay Description 5W usDX SDR QRP HF Transceiver All Mode Transceiver Supporting 15M 20M 40M Bands + Black Morse Key USDX Software Open Source: https://github.com/threeme3/QCX-SSB/tree/feature-rx-improved Some Hardware Open Source Sites: https://dl2man.de/ https://antrak.org.tr/blog/projeler/usdx-an-arduino-based-sdr-all-mode-hf-transceiver-pcb-iteration-v1-02/ https://www.qsl.net/py2ohh/trx/usdx/usdx.html Group: https://groups.io/g/ucx/topics Description: This is a QRP SSB/CW HF transceiver. It boasts a 1602 screen, a built-in mic and a built-in speaker! It can be connected to an automatic key, and can be decoded by CW. Features: – It is durable, using IRF series MOSFET – Can be used by connecting an antenna (BNC connector) – 3 bands. With power standing wave digital display – Dimensions: 80mm x 40mm x 100mm/3.1″ x 1.6″ x 3.9″ – Provides FT8 option connector later – Aluminum shell with laser marking Function List: – Simple, interesting and versatile QRP SSB HF transceiver with embedded DSP and SDR functions – EER class-E driven SSB transceiver – 12V power supply provides about 5W maximum PEP SSB output – All mode transceiver: supports USB, LSB, CW, AM and FM – DSP filter: 4000, 2500, 1700, 500, 200, 100, 50Hz pass-band – DSP function: automatic gain control (AGC), noise reduction (NR), voice trigger, voice trigger Xmit (VOX), RX attenuator attenuator (ATT), TX noise gate, TX driver control, volume control, dBm/S-meter – SSB reverse side-band/carrier suppression transmission: better than -45dBc, IMD3 (two tones) -33dBc, reception: better than -50dBc – Supports multiple bands. Continuously adjustable in the 160m-10m frequency band (and performance loss from 20kHz to 99MHz) – Open source firmware, built in for Ar-duino IDE; allows experimentation. You can add new functions and share contributions through Github. Software complexity: 2000 lines of code – Software-based VOX can be used as a fast full invasive (QSK and semi-QSK operation), or to assist in running in digital mode (without CAT or PTT interface) for RX/TX switching and external PTT output with TX/PA control-delay – Simple installation modification with 8 component changes and 8 wires – Lightweight, low-cost transceiver: Thanks to EER transmitter E-level, it has high power efficiency (no bulky heat sink required), and simple design (no need for complex balanced linear power amplifiers) – SSB transmitter stage based entirely on software: By controlling the phase of the SI5351 PLL (via the tiny frequency change of I2C over 800kbit/s) and the amplitude of the PA (via the PWM of PWM) to sample the microphone input and reconstruct the SSB signal. PA key shaping circuit) – Fully digital and software-based SDR receiver stage (optional): sample the I/Q (complex) signal from the quadrature sampling detector digital mixer, and perform a 90-degree phase shift in the software (Hilber transform) and eliminate one by adding side-bands – Independent switchable analog front-end receiver attenuators (0dB, -13dB, -20dB, -33dB, -53dB, -60dB and -73dB) – Receiver noise level MDS: -135 dBm (200Hz BW) at 28MHz – Receiver front-end selectivity: steep tuning frequency -45dB / ten times roll-off +/- 2kHz – Blocking dynamic range: 20kHz offset 123dB; 2kHz offset 78dB – CW decoder and straight/Iambic-A/B keyer – VFO A/B + RIT and and Split, and switch the corresponding relay band filter through I2C – Supports CAT (TS480 subset). You can stream audio, press keys, and display text through CAT – This is probably the most cost-effective transceiver and easy to build standalone SDR/SSB transceiver. – Great simplification: It simplifies the original QCX circuit (that is, reduces the installation components by 50% and it does not require complex transformer windings nor require alignment procedures), and it is more versatile Package Included: – 1 x Transceiver – 1 x Hand microphone – 1 x Audio cable – 1 x Morse key Packaging Details: – G.W.: 0.55kg Note: – Please fix the Morse key before using because it is 3D printed and light in weight. Payment Terms 1. We accept PayPal,Payoneer,Visa Card,Google pay,Credit card etc. 2. We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay. Shipping Terms 1. We will process the order within the handling time ,if you have any questions, please contact us via eBay message or email. 2. For remote regions of DHL/FedEx…, extra shipping costs might be charged. Usually it costs about 30USD-50USD. We will contact you if shipping company informed us your address belongs to remote area. Thanks for your understanding. Return Terms If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days. We will guide you the returning process for replacement or refund. Custom Duties & Taxes 1. It is buyer’s responsibility to cover the import duties, taxes.We do not charge any taxes and fees, and the possible taxes and fees will be collected by the platform or by third parties such as customs and carriers. 2. Please check with your country’s customs office and inform us what/how much should declare before shipping. Feedback 1. Please kindly leave us a positive feedback and 5 star DSR if you satisfied with our product and service. Please feel free to contact us firstly if you have any problem with your order, we are responsible and credible seller and will solve the issue it for you asap. 2. If you are dissatisfied for any reason, please don’t be quick to leave us neutral or negative feedback. We work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave positive feedback to all our customers. On Jun 24, 2024 at 00:28:08 PDT, seller added the following information:

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