Original Antenna 3db 2.4G Dual Frequency Antenna $ 4.55 Product Details: Frequency range: 2400-2500 4900-5900 (MHz) Output impedance: 50 () Standing wave ratio : 1.5 (dB) Working voltage: 10 (V) Polarization method: vertical polarization Shell material: ABS Interface: Nickel-plated inner pin/hole Size: 11cm Package Contents: Antenna X1