Feature: 1. Preferred Material: The cover of this SDR switch box is made of aluminium alloy material, it has the characteristics of not easy to damage and long service time. 2. A Full Accessory Set: This tool set comes with a host, a 600mm SMA to SMA connecting line, a PTT control line and a power cord. 3. Portable size and easy to carry, you can share this tool with your families and friends easily. 4. The frequency ranges is direct cuttent-160MHz and the maximum TX power is 100W. 5. Using 13.8V direct current to supplys power, the current is 200mA Specification: This SDR switch box has powerful functions such as max. 100W tx power, Insertion loss: < 0.3dB @ 144MHz (0.2dB typical). The cover of this product is made of aluminium alloy material. If you are looking for this product, come and have a try, it will not let you down. Features: Preferred Material: The cover of this SDR switch box is made of aluminium alloy material, it has the characteristics of not easy to damage and long service time. A Full Accessory Set: This tool set comes with a host, a 600mm SMA to SMA connecting line, a PTT control line and a power cord. Portable size and easy to carry, you can share this tool with your families and friends easily. The frequency ranges is direct cuttent-160MHz and the maximum TX power is 100W. Using 13.8V direct current to supplys power, the current is 200mA. Specifications: Material: aluminium alloy Impedance: 50Ω Frequency range: direct current-160MHz Maximum TX power: 100W Radio frequency sense threshold:<10mW (1.8MHz-30MHz tested) ON time < 20ms / Release time: < 190ms Insertion loss: < 0.3dB @ 144MHz (0.2dB typical) RX isolation: > 38dB @ 144MHz (40dB typical) Power supplys: 13.8V direct current 200mA Package size: 130 * 120 * 60mm / 5.1 * 4.7 * 2.4in Package weight: 480g / 1.1lb Packing list: 1 * Host 1 * Power Cord 1 * SMA to SMA Connecting Line 1 * PTT Control Line Package List: 1 * Host 1 * Power Cord 1 * SMA to SMA Connecting Line 1 * PTT Control Line