Feature: 1. Great Efficiency: Designed to have a wide reception frequency range of 0.5MHz‑30MHz, the radio transceiver with 4 band coverage has high efficiency. 2. Has Longer Range: Moreover, the maximum range can get up to 1.5km, so the HF SSB QRP uSDX handheld radio receiver will meet your various work needs. 3. Built in Battery: The capacity of the built in battery is 1100mAh, and the rechargeable has a long working hour of 10 hours under reception mode. 4. Wide Application: Allows for broad application in climbing and hiking, outdoor activities, site monitoring and so on, very practical and reliable. 5. Simpler Carrying: Comes with a light weight and a compact size as well, the durable radio transceiver is very convenient to carry for your work. Specification: Item Type: Radio Transceiver Battery: 1 x rechargeable lithium battery 1100mAh, shipped with built in battery. And under reception mode it can be used for about 10 hours. Maximum Range: Approx. < 1500m / 4921.26ft Display: Yes Model: Portable Transceiver Receiving Frequency: 0.5MHz-30MHz. Theoretically, it can get to the upper limit of SI5351. (Since the product configuration of lpf is 10/15/20/40M four bands, the user needs to pair another lpf to suppress stray harmonics) Transmission Frequency: 1.8-30MHz Working Mode: CW, AM, SSB Minimum Step Size: 10Hz Antenna Impedance: 50 Ω Working Temperature Range: 0℃ - +50℃ Current consumption: Current Consumption for Reception: 100mA, maximum. Current Consumption for Release: 1A, maximum. RF Output Power: 0.1-5W for SSB and CW. 0.1-5W for AM carrier wave at 13.8V DC. Output: 12V 1A Product Size: Approx. 50 x 20 x 180mm / 1.97 x 0.79 x 7.09in. Package List: 1 x Radio Transceiver1 x Connecting Cable1 x Adapter1 x Converter