General description The NL550 is a dual band fiberglass antenna designed for VHF and UHF frequencies, specifically operating at 136-174 MHz and 400-470 MHz. It is ideal for enhancing communication range and signal quality. Technical specifications Model: NL-550 Frequency: 144/430 MHz Gain: 3.0 dB (144 MHz), 5.5 dB (430 MHz) Maximum input power: 200 W Impedance: 50 ohms V.S.W.R.: less than 1.5 Form: 1/2λ (144 MHz), 5/8λ (430 MHz) Connector: PL259 Colour: white Material: ABS Size: 55 cm long Other information Package Contents: 1 * Antenna Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.