HDJQ USDR USDX+Plus V2 8-Band SDR Transceiver HF SSB QRP LCD with Display Speaker Microphone HF Transceiver with EU Plug 8 Tracks Covering 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 The Built-In Battery Or An External 13.8v Power Supply, It Can Reach 8 Levels Of 3-5w Power, And The Necessary To-220 Pack Pad Is Reserved For Upgrades._x000D_ High Emission Efficiency, The 80m/60m/40m/30m/20m Efficiency Is Greater Than 80%, The 17m Efficiency Is Greater Than 70%, And The 15m/10m Efficiency Is Greater Than 60%._x000D_ Frequency Accuracy Is Better Than 1ppm, And Frequency Stability Is Better Than 0.5ppm. ; Super Small Size: 88x39x124mm (Excluding Protruding Parts)._x000D_ Rich Interfaces (Cat, Ptt Out, Mic/Key, K-Head Mic). All Lpf Parts Use 100v C0g/Np0 Capacitors._x000D_ Use for Omron Magnetic Locking Relays. Use A Lower Specific Noise Op Amp Chip. Built-In Speaker With Cavity. Bnc Antenna Interface._x000D_ _x000D_ Description: _x000D_ 1. Supports All Modes: Usb, Lsb, Cw, Am, Fm (Ssb Mode Has Good Reception Effect, But Poor Transmission Effect. Am And Fm Modes Are Free And Have Poor Effect)_x000D_ 2. Filter Dsp Filter: 4000, 2500, 1700, 500, 200, 100, 50hz Passband_x000D_ 3. 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._x000D_ 4. Sidebar/Carrier Suppression Ssssb Transmit: Better Than -45dbc, Imd3 (Dual Tone) -33dbc, Receive: Better Than -50dbc_x000D_ 5. Support Multi-Band Support, Continuously Adjustable 10m Within The 80m Frequency Range (From 20khz..99mhz, Loss Performance)_x000D_ 6. Open Source Firmware, Built Using for Arduino Ide; Allows Experimentation, New Features Can Be Added, Contributions Can Be Shared Through_x000D_ 7. Software Vovox Code Can Be Used For Fast Full Control (Qsk And Half Qsk Operation) Or Rx/Auxiliary Switch Tx In Digital Mode (No Cat Or Ptt Interface Required), Using_x000D_ 8. Fully Digital And Software Based Ssb Level Transmitter With External Control Of Ptt/Pa Output: Control Phase Of Sill Si5351 (Via Small Frequency Changes I2c At 800kbits/S) And Amplitude Of Pa (Via Pwm Pa Key Shaping Circuit)_x000D_ Note: Different Batches, Product Appearance, Color, Printing Words Will Be Different, Do Not Affect The Use_x000D_ Plug Type: EU Plug, it applies to Indonesia, Germany, France, Spain, Italy and so on_x000D_ voltage: AC100-240V_x000D_ size: about 88 x 39 x 124mm_x000D_ Material: ABS_x000D_ colour: black_x000D_ _x000D_ Package Contents: _x000D_ 1 x Transceiver_x000D_ 1 x Hand Microphone_x000D_ 1 x EU Plug_x000D_ 4 x Machine Feet_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_