{"product_id":"product-350","title":"Usdr usdx+ Plus Transceiver All Mode 8 Band HF Ham Radio w\/Power Adapter US Plug","description":"usdx+ HF Shortwave Transceiver QRP SSB\/CW Transceiver 3W-5W All Mode 8 Band Upgraded Version of usdx w\/Power Adapter US Plug\u003cbr\u003e\u003cbr\u003eDescription:\u003cbr\u003eThis is a shortwave QRP SSB\/CW transceiver. The ultra-small size is easy to carry for outdoor use. It has a built-in 4000mAh lithium battery, uses a 1602N LCD screen, and has a built-in speaker. It supports connecting to a PC, using digital mode software control such as FT8, JS8, and FT4, and supports CW automatic decoding.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003e-8 tracks cover 80m\/60m\/40m\/30m\/20m\/17m\/15m\/10m\u003cbr\u003e- Excellent PCB layout design in line with high frequency circuit design principles to ensure excellent performance\u003cbr\u003e-Whether using internal battery or external 13.8v power supply, it can achieve 3-5w power in 8 ranges, and reserve SOT-223 and TO-220 pack pads needed to upgrade\u003cbr\u003e-High emission efficiency, 80m\/60m\/40m\/30m\/20m efficiency is greater than 80%, 17m efficiency is greater than 70%, 15m\/10m efficiency is greater than 60%\u003cbr\u003e-High accuracy KDS brand TCXO, frequency accuracy is better than 1ppm, frequency stability is better than 0.5ppm\u003cbr\u003e-Ultra small size: 83*38*124mm (excluding protruding parts)\u003cbr\u003e- Abundant interfaces (cat, ptt out, mic\/key, k-head mic)\u003cbr\u003e-All LPF parts use 100v c0g\/np0 capacitors\u003cbr\u003e-Use genuine Omron original magnetic latching relays\u003cbr\u003e-Use op amp chip with lower noise than LM4562\u003cbr\u003e-Built-in speaker with cavity\u003cbr\u003e-Built-in 11.1v (12.6v) lithium battery.\u003cbr\u003e- BNC antenna interface\u003cbr\u003e\u003cbr\u003eThe usdx+ update is as follows:\u003cbr\u003e- Moved the headphone and power key\/microphone jacks to the front panel for easy access to the headphone and power button.\u003cbr\u003e- Move the keys to the bottom of the LCD screen for a larger touch area and a more comfortable keystroke experience.\u003cbr\u003e- Upgraded built-in speaker effects, double the sound!\u003cbr\u003e- PCB reserved pads for various upgrades, out of the box, can be used as a template for DIY upgrade learning\u003cbr\u003e- Quickly change qrp cw frequency.\u003cbr\u003e- Support cw sidetone volume adjustment.\u003cbr\u003e- Support cw sidetone adjustment.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eList of Functions:\u003cbr\u003e1. Support all modes: usb, lsb, cw, am, fm (ssb mode has good reception effect, but poor transmission effect. AM and FM modes are free, and the effect is not good)\u003cbr\u003eFilter dsp filter: 4000, 2500, 1700, 500, 200, 100, 50hz passband\u003cbr\u003e2. Function DSP functions: automatic gain control (AGC), noise reduction (NR), Xmit voice trigger (VOX), RX attenuator (ATT), TX noise gate, tx unit control, volume control, dbm\/s meter.\u003cbr\u003e3. Sidebar\/Carrier Suppression SSSSB transmit: better than -45dbc, imd3 (dual tone) -33dbc, receive: better than -50dbc\u003cbr\u003e4. Support multi-band support, continuously adjustable 10m within 80m frequency range (from 20khz..99mhz, loss performance)\u003cbr\u003e5. Open source firmware, built with arduino ide; allows experimentation, new features can be added, contributions can be shared via github, software complexity: 2000 lines of software-based Vovox code available for fast full control (qsk and half-qsk operations) or rx\/ Auxiliary switch tx for external control of ptt\/pa output using fully digital tx-delay stage and software based ssb stage transmitter in digital mode (no cat or ptt interface required): controls the phase of the sill si5351 (by switching at 800kbits\/s Small frequency changes under i2c) and magnitude of pa (via pwm pa key shaping circuit)\u003cbr\u003e6. Software-based all-digital SDR receiver stage (optional): The I\/Q (complex) signal is sampled from a quadrature sampling detector digital mixer and a 90 degree phase shift is performed mathematically in software ( Hilbert transform) and three independently switchable analog faders (0db,-13db,-20db,-33db,-53db,-60db,-73db) from the pre-receiver by adding Atten sidebands\u003cbr\u003e7. Receiver noise floor mds: -135dbm at 28mhz (200hz bw)\u003cbr\u003e8. Receiver receiver front-end selectivity: +\/-2khz steep 45db\/decade tuning frequency rolling\u003cbr\u003e9. Blocking blocking dynamic range: 20khz offset 123db, 2khz offset 78db\u003cbr\u003e10.cw decoder, direct\/iambic-a\/b keyer\u003cbr\u003e11.vvfo a\/b + rit and split, and the corresponding relay through i2c\u003cbr\u003e12.cat supports cat with filter switch (using kenwood TS-480 protocol)\u003cbr\u003e\u003cbr\u003eSpecifications:\u003cbr\u003e-Type: hf qrp sdr transceiver\u003cbr\u003e-Mode: ssb\/cw\u003cbr\u003e\u003cp\u003e- Frequency range: 3.5-30mhz\u003c\/p\u003e-Built-in mic\u003cbr\u003e-Antenna\/connector: 50ohms\/so-239\u003cbr\u003e\u003cbr\u003ePackage Includes:\u003cbr\u003ePackage Includes:\u003cbr\u003e-1 x usdx+ Transceiver\u003cbr\u003e-1 x Microphone\u003cbr\u003e-1 x Charger(US Plug)\u003cbr\u003e-4 x Machine Foot Pads","brand":"Vtopteng","offers":[{"title":"Default Title","offer_id":48502284648667,"sku":"E002-D043~xm","price":133.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/9941\/1931\/files\/641391725083885568.jpg?v=1774258177","url":"https:\/\/vtopteng.com\/products\/product-350","provider":"vtopteng","version":"1.0","type":"link"}