(As show, One size) USDX HF QRP SDR Transceiver 8 Bands PC Connection Stable Performance Transceiver

(As show, One size) USDX HF QRP SDR Transceiver 8 Bands PC Connection Stable Performance Transceiver Description

Feature:1. Compact Size: It is compact in size, lightweight, portable and easy to use.2. 8 Bands Design: 3.5MHz; 5.3MHz; 7MHz; 10MHz; 14MHz; 18MHz; 21MHz; 29MHz.3. Emission Efficiency: higher than 85% ( 3.5MHz; 5.3MHz; 7MHz; 10MHz; 14MHz); higher than 80% (18MHz and 21MHz); For 29MHz, it\u0027s over 70%.4. PC Connection: Connected to a PC, using the FT8, JS8, FT4 and other digital mode software controls, supports CW automatic decoding.5. Free Upgrade: It can reach 3-5W power in 8 bands and can freely upgrade the PA module (TO-220).6. Stable Performance: High precise TCXO for KDS, with frequency accuracy better than 1PPM and frequency stability better than 0.5PPM.7. Independent Design: Independent main board, radio frequency PA board, and ATU board to avoids its own signal interference.8. Selected Parts: All LPF parts use 100V C0G/NP0 capacitors, or use a LM4562 or LM833 or LT6231 op amp chip.9. Rich Interfaces: There are HEADPHONE, PTT OUT, MIC/PTT, SPK/MIC BNC antenna interfaces (with BCN-SL16 adapter, easy matching antenna).Specification:Specifications:Name: Transceiver Antenna Tuner SetMaterial: printed circuit boardATU (Automatic Antenna Tuner Unit):Maximum tuning inductance: 8.42HMinimum tuning inductance: 0.05HMaximum tuning capacitance: 1869pFMinimum tuning capacitance: 10pFPackage size: 200 * 100 * 50mm / 7.87 * 3.94 * 1.97inPackage weight: 1200g / 2.65lbuSDX_ATU System Functions:Full mode support: USB, LSB, CW, AM, Frequency ModulationAll-digital and software-based software defined radio receive channelsAll-digital and software-based SSB transmit channelsReceive attenuator: 0dB, -13dB, -20dB, -33dB, -53dB, -60dB, and 73dBDigital Signal Processor filter bandwidths: 4000, 2500, 1700, 500, 200, 100, and 50 HzReceiving background noise: -135dBm at 28MHz (BW=200Hz)Receiver Front-End selectivity: Tuning frequency -45dB/decade roll-off 2kHzSSB/carrier suppression: transmit, better than 45dBc; receive, better than 50dBcDigital Signal Processor functions: Automatic Gain Control (AGC), Noise Reduction (NR), Voice Triggered Xmit, RX Attenuator (ATT), TX Noise Gate, TX Drive Control, Volumes Control, dBm/S meterThree-Layer PCB:ATU-boardPA-board: 8 bandMainboardRear Panel Connector (JACK):1. Headphone Jack (3.5 mm):TipsAudio outRingsAudio outSleepGND2. MIC/PTT (Keys) Jack (3.5 mm):TipsMic inputRingsPTTSleepGNDCW-KEYS INPUT MODE:TipsDAHRingsDITSleepGND3. SPK/MIC Jack (3.5 mm):Tips: SPEAKERRings 1: MICRings 2: PTTSLEEVE: GND4. PTT OUT Jack (3.5 mm):TipsSSR outputRingsSSR outputSleepGND.Package List:1 * Main Unit1 * Power Adapter1 * BNC Adapter1 * BNC Cable1 * Handheld Microphone1 * WrenchNote:Note that there is no built-in battery or built-in speaker. External power supplys is required