Features: 1. DDC/DUC technology and 0-750MHz full mode reception.OTA online upgrade Or flash and upgrade via TF card. 2. The most powerful FPGA 3D spectrum and waterfall chart. 3. 7-inch capacitive touch screen enables multi-point touch. Support display in sunlight Multi-scene mode selection Fully open source software and hardware can be modified as needed. 4. Built-in CW decoding and FT8 codec (no other equipment required).Built-in USB sound card makes it convenient to connect. 5. Built-in wifi Online radio display available after networking Built-in 16G TF card Multiple recordings and playback Record and call. 5 recordings in CW mode. Specifications: Receiving frequency: 0MHz-750MHz Transmission frequency: 0MHz-200MHz (amateur transmission) and 360Mhz-480Mhz (frequency multiplier) Transmit power (QRP++DB5AT version): 20W (shortwave) and 7W (VHF) Antenna type: Support two antennas to input Modulation type (TX/RX): CW, LSB, USB, AM, FM, WFM and DIGI Low noise amplifier (LNA) Adjustable attenuator: 0-31dB Band-pass filter ADC dynamic range (16-bit): ~100dB Supply Voltage: 13.8V (with over-voltage and reverse polarity protection) Receiving current: ~0.7A (3inch 2 QRP) and 0.9A (7inch BIG) Transmitting current: ~2.5A+ (QRP) and 15A+ (BIG) tip: With wifi, no tuner Material: aluminum alloy colour: black Package Contents: 1 x Transceiver 1 x Microphone 1 x English instructions 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.