$128.0 Buy It Now or Best Offer
free,30-Day Returns
Seller Store 6999694
(7484) 100%,
Location: Shen Zhen
Ships to: US,
Item: 255199485929
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money back or replacement (buyer’s choice)
Unbranded:Unbranded
UPC:Does not apply
EAN:Does not apply
Marke:Markenlos
Store CategoriesStore CategoriesOtherProduct ViewDetails *Circuit diagram and manual avaliable ,pleae contact us if you need. 3.5Mhz-30Mhz, but it is an amateur band 2022 new version without battery！！Description:uSDR is optimized and modified based on the open source work uSDX/QCX-SSB.uSDX/QCX-SSB GitHub:github.com/threeme3/QCX-SSB/tree/feature-rx-improvedThis is a shortwave QRP SSB/CW transceiver. The ultra-small size makes it easy to carry for outdoor use. It adopts 1602N LCD screen, built-in speakers. Support to connect to PC and use FT8, JS8, FT4 and other digital mode software control, support CW automatic decoding.Features:- 8 band coverage 80m/60m/40m/30m/20m/17m/15m/10m- Excellent PCB layout design in line with high-frequency circuit design principles to ensure excellent performance- Can reach 3-5W power in 8 bands and reserve TO-220 package pads required for upgrades- High emission efficiency, 80m/60m/40m/30m/20m efficiency is higher than 85%, 17m/15m efficiency is higher than 80%, 10m efficiency is higher than 70%- High-precision for KDS brand TCXO, frequency accuracy is better than 1PPM, frequency stability is better than 0.5PPM- Independent core board and RF board to avoid own signal interference.- Ultra-small size: 82.8 x 28.8 x 110mm/3.3 x 1.1 x 4.3″ (excluding protruding parts)- Rich 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 original genuine LM4562 or LM833 op amp chip- Built-in speaker with cavity- BNC antenna interfaceFunction List:- Simple, fun and versatile QRP SSB HF transceiver with embedded DSP and SDR functions- EER Class-E driven SSB transmit-stage- Approximately 5W PEP SSB output from 13.8V supply- All-Mode support: USB, LSB, CW, AM, FM- DSP filters: 4000, 2500, 1700, 500, 200, 100, 50 Hz passband- DSP features: Automatic Gain Control (AGC), Noise-reduction (NR), Voice-triggered Xmit (VOX), RX Attenuators (ATT), TX noise gate, TX drive control, Volume control, dBm/S-meter- SSB opposite side-band/carrier suppression transmit: better than -45dBc, IMD3 (two-tone) -33dBc, Receive: better than -50dBc- Multiband support, continuously tunable through bands 160m-10m (and from 20kHz..99MHz with loss in performance)- Open source firmware, built with IDE for Arduino; allows experimentation, new features can be added, contributions can be shared via Github, software-complexity: 2000 lines of code- Software-based VOX that can be used as fast Full Break-In (QSK and semi-QSK operation) or assist in RX/TX switching for operating digital modes (no CAT or PTT interface required), external PTT output/PA control with TX-delay- Simple to install modification with 8 component changes and 8 wires- Lightweight and low-cost transceiver design: because of the EER-transmitter class-E stage it is highly power-efficient (no bulky heatsinks required), and has a simple design (no complex balanced linear power amplifier required)- Fully digital and software-based SSB transmit-stage: samples microphone-input and reconstruct a SSB-signal by controlling the phase of the SI5351 PLL (through tiny frequency changes over 800kbits/s I2C) and the amplitude of the PA (through PWM of the PA key-shaping circuit)- Fully digital and software-based SDR receiver-stages (optionally): samples I/Q (complex) signal from Quadrature Sampling Detector digital mixer, and performs a 90-degree phase-shift mathematically in software (Hilbert-transform) and cancels out one side-band by adding them- Three independent switchable analog front-end receiver attenuators (0dB, -13dB, -20dB, -33dB, -53dB, -60dB, -73dB)- Receiver Noise level MDS: -135 dBm at 28MHz (in 200Hz BW)- Receiver Front-end selectivity: steep -45dB/decade roll-off +/-2kHz from tuned-frequency- Blocking dynamic range: 20kHz offset 123dB, 2kHz offset 78dB- CW decoder, Straight/Iambic-A/B keyer- VFO A/B + RIT and Split, and corresponding relay band-filter switching via I2C- CAT support (TS480 subset)Package Included:- 1 x uSDX – 1 x Handheld Mic Payment MethodShippingReturns PolicyPayment Method We accept paypal onlyShipping1.Items are shipped from china.we will send out within 1 bussiness day after receive the payment. 2.We only ship to ebay confirmed address. So before bidding, please kindly verify your ebay address. 3.Shipping to USA takes 8-18 days in normal condition by E-packet with tracking number. Shipping to most other countries takes about 12-30 days via Economy Int’l Airmail.Less than $40, without free tracking number,if you request tracking number,please send ebay message to us. Over $40,with tracking number free.The shipping time depends on your location and local postal service,as well as the weather condition along the shipping,sometimes may take longer,.please send ebay message to us if the package is not received. 4.Express shipping: DHL/FEDEX/EMS,Extra $20 –$25 will be charged for the first 500 grams for most countries. Send ebay message to us if you need this service.Returns Policy 1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase. 2. If product is defective or damage upon arrival, or wrong product shipped, please send ebay message to us immediately. Returns accepted within 30 days of delivery date and item must be in original new condition. 3. Please send ebay message to us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner. On Mar 12, 2023 at 20:39:09 PDT, seller added the following information:
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