Spectrum Dynamic Waterfall Display. Multiple Working Modes: Receive Mode, Transmit Mode, TUNE Mode, VFO Mode, SPLIT Mode Digital Signal Processing Noise Reduction. Automatic Filter. Humanized Interface Color Display Receive Fine Tuning Function, Changeable MIC Gain Value. VCC Power Supply Voltage Indication Table. Transmit Signal Strength Display Table. Multifunctional Instrument: SWR Standing Wave Ratio Meter, AVD Audio Frequency Meter, ALC - Signal Modulation Meter Build in USB Sound Card support WSJT-X use FT-817 Rig. Acc Jack Port Support 70-100W HF Pa Amp T/R V0.6 pcb redesign upgrade many hardware mod. Inside MIC and PTT ( TUNE) Basic Parameters: Overall size: 190 x 69 x 45mm/7.5 x 2.7 x 1.8inch (WxHxT) Frequency range: Receive: 2.5-30MHz; Transmit: All HAM HF bands Operating Mode: SSB (J3E), CW (A1A), and AM (A3E) Minimum frequency step: 1Hz Antenna impedance: 50ohm Operating temperature range: -10 to +60 Frequency Stability: 1.5ppm (5 minutes on), -10C to +60C (standard); 0.5ppm (5 minutes on), -10C to +60C (TCXO-M) Working voltage: 9~15V DC Working current: Receiving: 410MA-440MA (maximum display brightness). Minimum LCD brightness can be reduced by 40-60MA. After hardware improvement, it drop by 50%-80%; about 60MA after shutdown, and 3-5MA after power amplifier driver level improvement. Transmit: 3A (FULL); 1.5A (5W) Transmitting frequency band: 3.5Mhz~3.9MHz, 5351.5-5366.5 kHz, 7MHz~7.3MHz, 10.1 MHz~10.150 MHz, 14MHz~14.350MHz, 18.068 MHz~18.168MHz, 21MHz~21.450MHz, 24.890MHz~24.990 MHz, and 28MHz~ 29.700MHz Plug Type :EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: AC100-240V Colour:As Shown Material:metal+plastic Package Contents: 1 x HF SDR Transceiver 1 Adapter 1 x Handheld Microphone Only the above package content, other products are not included. 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.