GA-800 Active Loop Antenna Shortwave Antenna 10KHz-159MHz HF Antenna with Portable Design for Radios Specifications: - Antenna loop size: 260mm/10.2" (inner diameter) - Control box: 107 x 65 x 26mm/4.2 x 2.6 x 1" - Working frequency: 10KHz-159MHz - Operating temperature: -10°C to +60°C - Operating Voltage: 5V/1A - Power supply mode: TYPE-C charging/built-in 18650/2600mAh - Impedance: 50Ohm - Gain: 20db (Max) - Charging circuit: built-in battery protection circuit to protect the battery from over-discharging and over-charging. It will automatically disconnect when the battery voltage is lower than 2.5v Package Included: - 1 x Antenna with control box - 1 x Manual - 1 x BNC cable (5m/16.4ft) - 1 x Power cord (Type-c) - 2 x Output cables (BNC-3.51m/3.3ft; BNC-BNC1m/3.3ft) - 1 x Adapter (BNC-SMA) Note: - The outdoor part of this antenna is not waterproof. If you need to place it outdoors for along time, you need to take waterproof measures by yourself. Usually it cost about 35USD-50USD. If you receive defective item, please kindly notify us within 14 days.