Features: 8 bands cover 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 internal battery or external 13.8v power supply, it can reach 3-5W power in 8 bands, and reserve the SOT-223 and TO-220 package pads required for upgrading High emission efficiency, 80m/60m/40m/30m/20m efficiency is higher than 80%, 17m efficiency is higher than 70%, 15m/10m efficiency is higher than 60% Description: This is a shortwave QRP SSB/CW transceiver. Ultra-small size makes it easy to carry for outdoor use. It boasts a built-in 4000mAh lithium battery, a 1602N LCD screen, a built-in speaker. It supports connection to a PC and uses FT8, JS8, FT4 and other digital mode software control, and supports CW automatic decoding. Ultra-small size: 83 x 38 x 124mm (excluding protruding parts) Abundant interfaces (CAT, PTT OUT, MIC/KEY, K-head microphone) All LPF parts use 100V C0G/NP0 capacitors Use op amp chip with lower noise than LM4562 Built-in speaker with cavity Built-in 11.1v (12.6v) lithium battery BNC antenna interface Specifications: Type: HF QRP SDR Transceiver Mode: SSB/CW Rf output: 10W max at 13.8V exit DC in Frequency range: 3.5-30MHz Built-in MIC Antenna/connector: 50ohms/SO-239 Colour: Black Material: aluminum alloy Package Contents: 1 x USDR Transceiver 1 x Mic Only the above package content, other products are not included. Note: Light shooting 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.