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Description
Usdr Usdx + V2 Plus 8 Band SDR Full Mode HF SSB QRP High Frequency Transceiver, Spec: EU Plug, EU Plug, US PlugFunctions 1. Remove the headphones and the power button microphone jack to the front panel, convenient to connect the headset and the power button 2. Move the keys to the bottom of the LCD screen for a larger touch area and a more comfortable keystroke experience 3. Upgrade the built in speakers to double the sound 4. PCB to reserve a variety of upgrades required pad, out of the box, can be used as a DIY upgrade learning template 5. Change the QRP CW
Functions1. Remove the headphones and the power button/microphone jack to the front panel, convenient to connect the headset and the power button
2. Move the keys to the bottom of the LCD screen for a larger touch area and a more comfortable keystroke experience
3. Upgrade the built-in speakers to double the sound
4. PCB to reserve a variety of upgrades required pad, out of the box, can be used as a DIY upgrade learning template
5. Change the QRP CW frequency quickly
6. Support CW side volume adjustment
7. Support CW side tones
8. This is a shortwave QRP SSB/CW transceiver. Ultra-small size for portable outdoor use, (no battery) 1602n LCD screen, built-in speakers, support to connect computers using FT8, JS8, FT4 and other mode software control digital, support CW automatic decoding
Features:
1. 8 tracks covering 80M/60m/40m/30M/20m/17M/15m/10m
2. PCB layout design in line with high frequency circuit design principles to ensure excellent performance
3. Both built-in Battery and external 13.8v power supply, can achieve 8-stop 3-5w power, and reserve the necessary sot-223 and To-220 pack pad for upgrading
4. High launch efficiency
7. KDS high precision tcxo brand, frequency accuracy above 1ppm, frequency stability above 0.5ppm
8. Ultra-small size: 88x39x124mm (without bulge)
9. Rich interfaces (cat, ptt out, mic/key, k-head mic)
10. All LPF components use 100v c0g/np0 capacitors
11. Using op-amp chips are lower than those of lm4562 noise
12. A built-in speaker with a cavity
13. BNC antenna interface
Explanation
1. Support full mode: usb, lsb, cw, am, fm (ssb mode reception effect is good, but the transfer effect is poor. AM and FM mode is free, the effect is not good)
2. Filter DSP filter: 4000, 2500,1700,500,200,100,50 Hz passband
3. Function DSP function: automatic gain control (AGC), noise reduction (NR) , XMIT Voice Trigger (Vox), RX attenuator (Att), TX Noise Gate, TX unit control, volume control, DBM/S instrument
4. Sidebar/carrier suppression SSSSB emission: superior to -45dbc, IMD3(dual tone) -33dbc, receiver: superior to -50dbc
5. Support for multi-band support, in the 80m frequency range of continuous adjustable 10m (from 20khz. 99mhz, loss performance)
6. Open source firmware, built using Arduino IDE; allows experimentation, new features can be added, contributions can be shared via github, software complexity: 2000 lines based on
7. The software vovovox code can be used for fast complete control (qsk and semi-qsk operations) or RX/auxiliary switch TX to be used in digital mode (no cat or PTT interface is required)
8. The PTT/PA output is externally controlled by the all-digital tx-delay stage and the software-based SSB stage transmitter: the phase of sill SI5351 is controlled (by a small frequency change i2c at 800 kbits/s) and the PA amplitude is controlled (by a pwm pa key shaping circuit)
9. Software-based all-digital SDR receiver level (optional): sampling of I/Q (complex) signals from a digital mixer with an orthogonal sampling detector, and mathematically perform a 90-degree phase shift (David Hilbert transform) in the software by adding an Atten sideband
10. Three independent switchable analog pushers (0db, -13 db, -20 db, -33 db, -53 db, -60 db, -73 db) from the front receiver
11. Receiver background noise mds: -135 DBM at 28 mhz (200 hz bw)
12. Receiver receiver front-end selectivity: +/-2 khz scrolling at steep 45 db/decade tuning frequency
13. Blocking dynamic range: 20khz offset 123db, 2khz offset 78db
14. CW decoder, direct/iambic-a/B keying
15. VVFO A/B + RIT and split, and the corresponding relays pass through i2c
16. The CAT supports cat with a filter switch (using the kenwood TS-480 protocol)
Package includes:
1. 1 x transceiver
2. 1 x the microphone
3. 1 x charger
4. 4 x machine floor Mats
Specification:
| Package Weight |
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Shipping Notes
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4.2 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Pretty Color & Lighting
Color: Pink
I found myself needing a keyboard case for my iPad pro (10.5 inch). I stumbled across this one with great reviews. Once I opened the box it arrived in, it lived up to its reviews. The case feels smooth and appears to have great quality. The keys on the keyboard sound like a typewriter which I love. I was unaware that the keyboard lit up but to my surprise the lighting was extremely bright even in the daylight. The weight of the both the keyboard, iPad, and case all together feels as heavy as a FiveStar notebook. Connecting the keyboard to the iPad was the easiest part because once you pop your iPad in the case and turn on the keyboard and press the connect button you head to the bluetooth settings of your iPad to pair them. Performance wise sometimes the keyboard snoozes after a few minutes of not being used and takes a second to start typing again. Besides that it works great when you’re constantly typing. Overall I love the color of the case and it’s definitely a money spent well.
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Reviewed in the United States on July 6, 2024
★★★★★ 5
Good value for the money
Color: Purple
This is a great little case. This is used for my elderly aunt and uncle’s ipad which doesn’t get a lot of use. The case is protective and opens up to hold the ipad at a couple of different levels. The keyboard is not as smooth as the apple keyboard I have for my own ipad but it really works well, holds a charge for a long time and was a great price.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Very nice and durable
Color: Purple, Color: Purple
The keyboard fits nicely inside for easy travel. It charges easy and comes with a charger for usb. It connects when on and turns off if not in use to conserve the battery.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Highly functional and budget friendly
Color: Purple, Color: Purple
This Hamile keyboard case is a highly functional, budget-friendly 3-in-1 solution that transforms your iPad into a mini laptop setup. Offering solid everyday protection, a built-in stylus holder, and a vibrant backlit detachable keyboard, it’s a popular choice for students, casual writers, and professionals on the go.
Multi-Generation Compatibility
Detachable Bluetooth Keyboard: The tactile, purple keyboard attaches magnetically to the folio, allowing you to use it attached or entirely separate from the stand.
Vibrant Backlighting: Features customizable backlit keys, making it incredibly easy to type in low-light environments like classrooms or late-night flights.
Built-In Pencil Holder: Keeps your Apple Pencil or stylus securely nested inside the casing so you won't lose it while traveling.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Okay for the price!!! Good Quality!!
Color: Green
{Dveracious Shopper:- Just so you know, My reviews won't have fancy videos and photos sometimes but I post honest reviews based on the usability of these products and I did pay my own money to buy these products, so its not a free product review. I use it before I review it as I am committed to provide honest feedback based on the product's usability}
My daughter chose and she is using it on her I pad. I love the functionality of it However not a fan of the removable keyboard, even though some may like it. it protects the I pad and that's what we won't. Has pretty color options too. Fits great.
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Reviewed in the United States on January 20, 2026