Features: Easy to install, no need for drilling. Easy and convenient to use. Signal stability. Compact and practical. Specification: Gain: 5dBi Impedance: 75 ohms Input power: 50W Standing wave ratio: ≤ 1.8 Frequency range: 85-112MHz Cable length: 5 meters Color: Black Patch size: 11.5 x 2.1cm/4.53 x 0.83 inches