Description:
This product combines USDX and ATU together and is highly integrated. Easy to use! Innovative design brings more convenience to lovers!

>>Please click here to download the product manual<<

ABOUT USDX section:
1. Overview:
USDX is optimized and modified based on Guido PE1NNZ"s open source project uSDX/QCX-SSB. uSDX is a shortwave QRP SSB/CW transceiver. 1602 LCD screen, ultra-small size and easy to carry.
Open source address: https://github.com/threeme3/QCX-SSB
Discussion Groups: https://groups.io/g/ucx/topics
2. Features:
8 bands covering 80m/60m/40m/30m/20m/17m/15m/10m
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%;
Connect to PC, use FT8, JS8, FT4 and other digital mode software control, support CW automatic decoding
It can reach 3-5W power in 8 bands and can freely upgrade the PA module (TO-220)
High-precision KDS brand TCXO, frequency accuracy better than 1PPM, frequency stability better than 0.5PPM
Independent core board, RF PA board and ATU board to avoid own signal jamming
Ultra-small size: 100*90*57mm (3.9inchs x 3.5inchs x 2.2inchs) (without protrusions)
All LPF parts use 100V C0G/NP0 capacitors
Use original genuine LM4562 or LM833 or LT6231 op amp chip
Rich interfaces: HEADPHONE, PTT OUT, MIC/PTT, SPK/MIC hand microphone;
BNC antenna interface (with BCN-SL16 adapter, easy to match the antenna)
External power supply: 12.6VDC/13.8VDC power adapter (random delivery);
Full mode support: USB, LSB, CW, AM, FM (AM and FM are additional functions, the effect is not as good as ordinary AM FM radio, don"t buy it if you mind);
All-digital and software-based SDR receive channels;
All-digital and software-based SSB transmit channels;
Receive attenuator: 0dB, -13dB, -20dB, -33dB, -53dB, -60dB, -73dB;
DSP filter bandwidths: 4000, 2500, 1700, 500, 200, 100, 50 Hz
Receiving noise floor: –135dBm@28MHz (BW=200Hz)
Receiver Front-End Selectivity: Tuning Frequency -45dB/decade roll-off +/- 2kHz
SSB/Carrier Suppression: transmit, better than 45dBc; receive, better than 50dBc;
DSP functions: Automatic Gain Control (AGC), Noise Reduction (NR), Voice Triggered Xmit, RX Attenuator (ATT), TX Noise Gate, TX Drive Control, Volume Control, dBm/S meter.

ABOUT ATU section:
1. Overview:
The ATU part is based on David Fainitski, the N7DDC open source project 7X7 ATU100 optimization and modification.
2. Features:
- Maximum work throughput: 10 watts
- Minimum power required to start tuning: 1 watt*
- Minimum possible measured power: 0.1 watts*
- Measurement step size: 0.1 watts**
- Power measurement accuracy: 10%*
-Maximum mounting inductance: 8.42u00b5H
-Inductor minimum installation step: 0.05μH
- Maximum installed capacity: 1869 pF
- Minimum capacitor installation step: 10 pF
- Frequency: 1.8-30MHz
-0.91 inch OLED 128*32 display

Package Included:
1 x USDX-ATU host
1 x 12.6VDC power adapter (or 13.8VDC)
1 x BNC-SL16 adapter
1 x BNC-BNC cable
1x UV-3R hand microphone (including MIC, PTT, SPEAKER functions)