Optimized performance: Dual-core RF solution, stronger signal gain, 30% higher gain than single antenna Advanced technology: designed for enthusiasts and professionals looking to enhance the performance of DIY RC FPV drone setups Superior performance: low standing wave ratio, greater gain, more secure matching for long-distance flights Reliable solution: Dual-core RF, superimposed radiation field, higher directional compatibility, not affected by flight attitude Quality assurance: high-quality workmanship, good signal frequency consistency Bandwidth: 1140 -1260MHZ Polarization: RHCP Gain: 3.26dbi Average standing wave ratio: Less than 1.5 Average radiation efficiency: 85% -polarization suppression: -25dB Length: 170mm+80mm Interface type: SMA style:1.3G Colour:black Material:plastic Package Contents: 1 * Antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.