Usdx/r+ Plus 8 Band SDR Full Mode HF Ham Radio SSB QRP Transceiver Upgrade!!

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You can buy a power supply or battery according to the above values, thank you. Description: This is a shortwave QRP SSB/CW transceiver. The ultra-small size is easy to carry for outdoor use, using 1602N LCD screen, built-in speaker, support to connect to PC, use digital mode software control such as FT8, JS8, FT4, etc., support CW automatic decoding. Features: -8 tracks cover 80m/60m/40m/30m/20m/17m/15m/10m - Excellent PCB layout design in line with high frequency circuit design principles to ensure excellent performance -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 -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% -High accuracy KDS brand TCXO, frequency accuracy is better than 1ppm, frequency stability is better than 0.5ppm -Ultra small size: 83*38*124mm (excluding protruding parts) - Abundant interfaces (cat, ptt out, mic/key, k-head mic) -All LPF parts use 100v c0g/np0 capacitors -Use genuine Omron original magnetic latching relays -Use op amp chip with lower noise than LM4562 -Built-in speaker with cavity - BNC antenna interface The usdx+ update is as follows: - Moved the headphone and power key/microphone jacks to the front panel for easy access to the headphone and power button. - Move the keys to the bottom of the LCD screen for a larger touch area and a more comfortable keystroke experience. - Upgraded built-in speaker effects, double the sound! - PCB reserved pads for various upgrades, out of the box, can be used as a template for DIY upgrade learning - Quickly change qrp cw frequency. - Support cw sidetone volume adjustment. - Support cw sidetone adjustment. List of Functions: 1. 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) Filter dsp filter: 4000, 2500, 1700, 500, 200, 100, 50hz passband 2. 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. 3. Sidebar/Carrier Suppression SSSSB transmit: better than -45dbc, imd3 (dual tone) -33dbc, receive: better than -50dbc 4. Support multi-band support, continuously adjustable 10m within 80m frequency range (from 20khz..99mhz, loss performance) 5. 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) 6. 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 7. Receiver noise floor mds: -135dbm at 28mhz (200hz bw) 8. Receiver receiver front-end selectivity: +/-2khz steep 45db/decade tuning frequency rolling 9. Blocking blocking dynamic range: 20khz offset 123db, 2khz offset 78db 10.cw decoder, direct/iambic-a/b keyer 11.vvfo a/b + rit and split, and the corresponding relay through i2c 12.cat supports cat with filter switch (using kenwood TS-480 protocol) Specifications: -Type: hf qrp sdr transceiver -Mode: ssb/cw - Frequency range: 3.5-30mhz -Built-in mic -Antenna/connector: 50ohms/so-239 Package Includes: -1 x usdx+ Transceiver -1 x Microphone -4 x Machine Foot Pads About Us Shipping Terms Returns Contact Us About Us English About ItemAll items sold by us are being described to the best of our abilities, as accurate as possible, and with utmost conscientiousness on our part. 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Buyers are responsible for the postal cost of returning the items. We must be notified of the intent to return your item within 30 days of receiving the item.Items returned must be in the same condition that they were received.How to return1,Please ask us for return address .2,Shipping back the package . The RMA#(Return Merchant Authorization Number = Your ebay ID) must be clearly written on the return package ,Otherwise the package will be refused. 3,Sent us the return tracking number. 4,All returns will be inspected prior to a credit being issued. Returns English 1:Returns are accepted within 60 days of purchase.2:All returned items MUST BE in the original packaging.3:We will be happy to assist you if if any item needs to be returned or replaced4:Please dont open a return request before contacting us first to solve, many thanks. Contact Us English Sent ebay message in English If you have any questions, our Customer Service staffs welcome you to sent me ebay message. 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Price: 143.61 USD

Location: Chino, California

End Time: 2024-12-01T17:25:04.000Z

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