SDR Transceiver 8-Band HF Ham Radio QRP CW with Built-In ATU-100 Tuner & Dual OLED Display

About USDX

Overview:

USDX transceiver is an enhanced and optimized version based on Guido PE1NNZ's open-source uSDX/QCX-SSB project, designed for portability and efficiency. Featuring a compact 1602 LCD screen, it's perfect for shortwave QRP SSB/CW operations.

Features:

• Supports 8 bands: 80m, 60m, 40m, 30m, 20m, 17m, 15m, 10m
• High emission efficiency: above 85% in major bands, up to 70% in 10m
• PC connectivity for digital modes (FT8, JS8, FT4), supports CW auto-decoding
• 3-5W power output with upgradeable PA module (TO-220)
• KDS brand TCXO for superior frequency precision and stability
• Independent core, RF PA, and ATU boards to eliminate signal interference
• Compact dimensions: 100 x 90 x 57 mm (3.9” x 3.5” x 2.2”)
• Uses 100V C0G/NP0 capacitors; high-quality op amp chips (LM4562/LM833/LT6231)
• Rich interface options: HEADPHONE, PTT OUT, MIC/PTT, SPK/MIC
• BNC antenna interface with BCN-SL16 adapter included
• External power supply: 12.6VDC/13.8VDC adapter included
• Full mode support: USB, LSB, CW, AM, FM (note: AM/FM performance may vary)
• All-digital SDR receive and SSB transmit channels
• Selectable receive attenuator and DSP filter bandwidths
• Enhanced receive noise floor and selectivity features
• Advanced DSP functions: AGC, Noise Reduction, Voice Triggered Xmit, etc.

About ATU

Overview:

The ATU section is based on the N7DDC open-source 7X7 ATU100 project, with optimized enhancements for optimal performance.

Features:

• Maximum operational throughput: 10 watts
• Minimum power required to start tuning: 1 watt
• Power measurement accuracy: 10%
• Maximum mounting inductance: 8.42µH
• Maximum installed capacity: 1869 pF
• Frequency range: 1.8-30MHz
• 0.91 inch OLED 128x32 display

Package Includes:

• 1 x USDX-ATU Host
• 1 x 12.6VDC Power Adapter (or 13.8VDC)
• 1 x BNC-SL16 Adapter
• 1 x BNC-BNC Cable
• 1 x UV-3R Hand Microphone (with MIC, PTT, SPEAKER functions)