Features: brand new and high quality Support all modes: usb, lsb, cw, am, fm (ssb mode has good reception effect, but poor transmission effect. AM and FM modes are free, and the effect is not good). Filter dsp filter: 4000, 2500, 1700, 500, 200, 100, 50hz passWith DSP functions: automatic gain control (AGC), noise reduction, Xmit voice trigger (VOX), RX , TX noise gate, tx unit control, volume control, dbm/s meter. Sidebar/for Carrier Suppression SSSSB transmit: better than -45dbc, imd3 (dual tone) -33dbc, receive: better than -50dbc. Support multi-band support, continuously adjustable 10m within 80m frequency range (from 20khz..99mhz, loss performance). Open source firmware, built with ide; allows experimentation, new features can be added, contributions can be shared via github, software complexity: 2000 lines based onThe software's Vovox code can be used for fast full control (qsk and half-qsk operation) or rx/auxiliary switch tx to switch in digital mode (no for cat or ptt interface required. Specifications: Material: Aluminum Alloy Color: Black Plug Type: European Regulation, US Regulation, Without Plug Product Dimension: approx. 12.4x8.7x3.7cm/4.88x3.43x1.46inches Net Weight: 550g/1.21lbs 550g/1.21lbs 430g/0.95lbs Package Includes: 1x USDX Plus Band Full Mode Transceiver 1 x Microphone 1 x Charger 4 x Machine Feet note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.