Features: The new double band antennae supports 2.4GHz and 900MHz double bands. Suitable for double frequency high-frequency heads or remote controls, easily switching frequency bands without changing antennae. RP-SMA interfaces, perfectly compatibility with high-frequency heads. Omnidirectional antennae is great for medium to short ranged distances. Quality ABS material, with small size designing. Specifications: Material: ABS Color: Black Length: approx.10cm/3.93inch Model: Double band 2.4GHZ/900MHz T-shaped antennae Frequency: 2.4GHz | 900MHz Coaxial cable length: 80mm Total length: 100mm Interfaces: RP-SMA Type: Omnidirectional type VSWR:1.27 @ 2.4GHz/1.25 @ 900MHz Impedance: 50Hz Package Includes: 1Piece Double Band Antennae note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.