USDX USDR SDR Transceiver All Mode 8 Band HF Ham Radio QRP CW Transceiver ot25

$115.0 Buy It Now or Best Offer
free,30-Day Returns

Seller Store outstandingdeal
(9638) 97.2%,

Location: Shenzhen
Ships to: US,
Item: 126234149368

Return shipping will be paid by:Seller
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
Type:Ham Radio Transceiver
Manufacturer Warranty:2 Years
Custom Bundle:No
Color:Black
Band:USB,LSB,CW,AM,FM
Features:LCD Screen
MPN:Does not apply
Country/Region of Manufacture:China

Description USDR SDR Transceiver All Mode 8 Band HF Ham Radio QRP CW Transceiver 80M/60M/40M/30M/20M/17M/15M/10M *Circuit diagram and manual avaliable ,pleae contact us if you need. 3.5Mhz-30Mhz, but it is an amateur band New version without battery！！ Thank you very much for your support of this product. We are the original factory of the product. If you have any product questions, you can contact us at any time. Thanks to the previous customers for leaving valuable real opinions. After our upgrade, the product has very strong power and improvements in all aspects. Now you can buy it without any worries. if you need instructions and schematics. Please contact us. and,We are also very grateful to everyone for actively contacting us for help before leaving reviews. Thanks! Description: This is a shortwave QRP SSB/CW transceiver. Ultra-small size makes it easy to carry for outdoor use. It boasts a 1602N LCD screen and a built-in speaker. It supports connection to a PC and uses FT8, JS8, FT4 and other digital mode software control, and supports CW automatic decoding. Features: – 8 bands: 3.5Mhz～3.9MHz, 5351.5-5366.5kHz, 7MHz～7.3MHz, 10.1MHz～10.150MHz, 14MHz～14.350MHz, 18.068 MHz～18.168MHz, 21MHz～21.450MHz and 28MHz～29.700MHz – Excellent PCB layout design in line with high-frequency circuit design principles to ensure excellent performance – Whether using an external 13.8v power supply, it can reach 3-5W power in 8 bands, and reserve the SOT-223 and TO-220 package pads required for upgrading – High emission efficiency, 80m/60m/40m/30m/20m efficiency is higher than 80%, 17m efficiency is higher than 70%, 15m/10m efficiency is higher than 60% – High-precision TCXO for KDS, frequency accuracy is better than 1PPM, frequency stability is better than 0.5PPM – Ultra-small size: 83 x 38 x 124mm/3.3 x 1.5 x 4.9″ (excluding protruding parts) – Abundant interfaces (CAT, PTT OUT, MIC/KEY, K-head microphone) – All LPF parts use 100V C0G/NP0 capacitors – Use original magnetic latching relays for Omron – Use op amp chip with lower noise than LM4562 – Built-in speaker with cavity – BNC antenna interface List of Functions: – 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 pass-band – 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 – Multi-band support, continuously tunable through bands 160m-10m (and from 20kHz to 99MHz with loss in performance) – 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 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 floor 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) Specifications: – Type: HF QRP SDR Transceiver – Mode: SSB/CW – Rf output: 10W max at 13.8V exit DC in – Frequency range: 3.5-30MHz – Built-in MIC – Antenna/connector: 50Ω/SO-239 Package Included: – 1 x Transceiver – 1 x Handheld Mic Payment Terms 1.We accept PayPal only. 2.All major credit cards are accepted through secure payment processor PayPal. 3.Payment must be received within 7 business days of auction closing. 4.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay. Shipping Terms – For remote regions, we will charge your extra shipping costs. Usually it cost about 35USD-50USD. We will contact you after your payment. Thanks for your understanding. Return Terms 1. If you receive defective item, please kindly notify us within 14 days. We will guide you the returning instruction for replacement or refund. 2. If you purchased in improper condition, please NOTE that the sipping and handling fee will not be refund, all return shipping fee should paid by the buyer unless item DOA. 3. We reserve the right to refuse any returns for objective reasons. Custom Duties & Taxes 1. Import duties, taxes, and charges are not included in the item price or postage cost. These charges are the buyer’s responsibility. 2. Avoiding some unnecessary trouble, please check with your country’s customs office to inform us what we should declare its value before shipping. Feedback 1. 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. 2. If you are satisfied with the product you received, please kindly leave us a positive feedback and 5 star DSR. If there is any problem of your order, please feel free to contact us firstly, we are responsible and credible seller, will follow it for you asap.

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