{"product_id":"usota-atu-usdx-hf-qrp-sdr-transceiver-built-in-atu-100-antenna-tuner-with-dual-oled-displays-8-bands-design","title":"uSOTA-ATU USDX HF QRP SDR Transceiver Built-in ATU-100 Antenna Tuner with Dual OLED Displays 8 Bands Design","description":"\u003csection data-tufzen-geo-summary=\"v1\" class=\"tufzen-product-summary\"\u003e\u003ch2\u003eProduct Summary\u003c\/h2\u003e\n\u003cp\u003euSOTA-ATU USDX HF QRP SDR Transceiver Built-in ATU-100 Antenna Tuner with Dual OLED Displays is a RF wireless product selected for wireless communication, antenna experiments and radio signal workflows. It is suitable for radio users, SDR experimenters and wireless project builders who need practical electronics hardware for reliable project work.\u003c\/p\u003e\n\u003ch3\u003eBest For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ewireless communication, antenna experiments and radio signal workflows\u003c\/li\u003e\n\u003cli\u003eSDR receivers, LoRa modules, antennas and RF test setups\u003c\/li\u003e\n\u003cli\u003eElectronics testing, repair, prototyping and maker workflows\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWho is this product for?\u003c\/strong\u003e It is intended for radio users, SDR experimenters and wireless project builders.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should I check before buying?\u003c\/strong\u003e Review the product options, specifications, included accessories and compatibility details on this page.\u003c\/p\u003e\u003c\/section\u003e\u003cp\u003e\u003cspan style=\"background-color:rgb(115, 216, 255);font-size:22px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003euSOTA-ATU USDX HF QRP SDR Transceiver Built-in ATU-100 Antenna Tuner with Dual OLED Displays 8 Bands Design\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_image\"\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-usota-atu-usdx-hf-qrp-sdr-transceiver-built-in-atu-100-antenna-tuner-with-dual-o-1.webp?v=1779197862\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp style=\"color:rgb(0, 0, 0)\"\u003e\u003cspan style=\"background-color:rgb(252, 220, 0);color:rgb(0, 0, 0);font-size:22px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003euSDX-ATU:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px;font-family:arial, helvetica, sans-serif\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(244, 78, 59);font-size:20px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003euSDX :HF QRP SDR Transceiver\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px;font-family:arial, helvetica, sans-serif\"\u003e\u003cbr\u003e\nuSDX Open source project uSDX\/QCX-SSB optimization modifications based on Guido PE1NNZ. The uSDX is a short-wave QRP SSB\/CW transceiver. 1602 LCD display, ultra-small size is easy to carry.\u003cbr\u003e\nSource address: https:\/\/github.com\/threeme3\/QCX-SSB\u003cbr\u003e\nGroup discussion: https:\/\/groups.io\/g\/ucx\/topics\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(244, 78, 59);font-size:20px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003eATU:(Automatic Antenna Tuner Unit ):\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px;font-family:arial, helvetica, sans-serif\"\u003e\u003cbr\u003e\nThe ATU part is based on the David Fainitski, N7DDC open source project 7X7 ATU100 optimization modifications.\u003cbr\u003e\nAutomatic Antenna Tuner Unit is a miniaturized clone of David Fainitski, N7DDC's infamous 7X7 automatic antenna tuner unit adapted for QRP operation up to 10 watts.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"background-color:rgb(252, 220, 0);font-size:22px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003euSDX_ATU: Performance characteristics\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px;font-family:arial, helvetica, sans-serif\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(244, 78, 59);font-size:20px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003euSDX\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px;font-family:arial, helvetica, sans-serif\"\u003e\u003cbr\u003e\n8 band covering 80 m \/ 60 40 m\/m\/m \/ 20 30 17 15 m\/m\/m \/ 10 m\u003cbr\u003e\nTransmission efficiency: 80m\/60m\/40m\/30m\/20m efficiency is higher than 85%; 17m\/15m efficiency is higher than 80%; 10m efficiency higher than 70%;\u003cbr\u003e\nConnect to PC using FT8, JS8, FT4 and other digital mode software control, support CW automatic decoding\u003cbr\u003e\n3-5W power in 8 bands and free upgrade of PA module (TO-220)\u003cbr\u003e\nHigh precision KDS brand TCXO, frequency accuracy is better than 1PPM, frequency stability is better than 0.5PPM\u003cbr\u003e\nIndependent core board and RF PA board and ATU board to avoid their own signal interference\u003cbr\u003e\nUltra small size: 100*90*57mm (3.9 \"x 3.5\" x 2.2 \") (excluding protruding parts)\u003cbr\u003e\nAll LPF parts use 100V C0G\/NP0 capacitors\u003cbr\u003e\nUse the and LM4562 or LM833 or LT6231 op amp chips\u003cbr\u003e\nRich interface: HEADPHONE, CAT\/PTT OUT, MIC\/PTT, SPK\/MIC hand microphone;\u003cbr\u003e\nBNC antenna interface (with BCN-SL16 adapter for easy antenna matching)\u003cbr\u003e\nExternal power supply: 12.6VDC (13.8VDC power adapter);\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(244, 78, 59);font-size:20px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003eATU\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px;font-family:arial, helvetica, sans-serif\"\u003e\u003cbr\u003e\nMaximum tuned inductance: 8.42uH\u003cbr\u003e\nMinimum tuning inductance: 0.05uH\u003cbr\u003e\nMax tuning capacitance: 1869 pF\u003cbr\u003e\nMinimum tuning capacitance: 10 pF\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"background-color:rgb(252, 220, 0);font-size:22px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003euSDX_ATU: System functions\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px;font-family:arial, helvetica, sans-serif\"\u003e\u003cbr\u003e\nFull mode support: USB, LSB, CW, AM, FM;\u003cbr\u003e\nFull digital and software-based SDR reception channels;\u003cbr\u003e\nFull digital and software-based SSB transmission channels;\u003cbr\u003e\nReceiving attenuator: 0dB, -13dB, -20dB, -33dB, -53dB, -60dB, -73dB;\u003cbr\u003e\nDSP filter bandwidth: 4000, 2500, 1700, 500, 200, 100, 50 Hz\u003cbr\u003e\nReceiving noise: -135dBm@28MHz (BW=200Hz)\u003cbr\u003e\nReceiver front selectivity: Tuning frequency -45dB\/tenfold roll down +\/ -2kHz\u003cbr\u003e\nSingle sideband\/carrier suppression: Transmit, better than 45dBc; Reception, better than 50dBc;\u003cbr\u003e\nDSP functions: Automatic Gain Control (AGC), Noise reduction (NR), Voice triggered Xmit (VOX), RX Attenuator (ATT), TX Noise Gate, TX Driver control, volume control, dBm\/S meter.\u003c\/span\u003e\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-usota-atu-usdx-hf-qrp-sdr-transceiver-built-in-atu-100-antenna-tuner-with-dual-o-2.webp?v=1779197862\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-usota-atu-usdx-hf-qrp-sdr-transceiver-built-in-atu-100-antenna-tuner-with-dual-o-3.webp?v=1779197863\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"uSOTA-ATU","offers":[{"title":"4 band","offer_id":46030468448514,"sku":"4 band","price":362.12,"currency_code":"USD","in_stock":true},{"title":"8 band","offer_id":46030468481282,"sku":"8 band","price":386.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S0a447f17d4de44d4858ac9a488fa522dz.webp?v=1743486994","url":"https:\/\/proengi.com\/products\/usota-atu-usdx-hf-qrp-sdr-transceiver-built-in-atu-100-antenna-tuner-with-dual-oled-displays-8-bands-design","provider":"PROENGI","version":"1.0","type":"link"}