Product Specification: Gain: 7.0dBi-9dBi Directivity: Omnidirectional SWR: andlt; 1.5 Central Frequency: 5.8Ghz Plug Diameter: 7.67mm Net Weight: 15.2g (TX + RX) TX/RXAntenna Size: 8.9*3.6*3.6cm (L*W*H) Plug type: SMA plug (Male plug / inner pin) Greatly increases video and audio signal. Dimensions: 3.50 in x 1.42 in x 1.42 in (8.9 cm x 3.6 cm x 3.6 cm) Weight: 0.54 oz (15 g)