150mm Triple Feed Patch Antenna Test

👉 Welcome to our Channel Randy's RC reviews! want more discounts and coupon codes? 👉 https://rcdealsandoffers.com/ Today is all about the 150mm Triple Feed Patch Antenna Get it here: http://bit.ly/2AbkBdB or here: http://bit.ly/2EHAjBc other options: http://bit.ly/2RdzeGY http://bit.ly/2RaqHon http://bit.ly/2rMXUYP http://bit.ly/2V2pgr1 Specifications: Center frequency: 5.8 GHz Bandwidth: 660 MHz 5.47 – 6.13 GHz Matching: S11 -30 dB, VSWR 1.065 Axial ratio: 1.050.38dB Antenna gain: 14.4 dBi Half power beam width: 30° (horizontal and vertical) Radiation efficiency: 75% Features: 1. Good radiation efficiency. Most FR4-based patches have terrible efficiency because FR4 is very lossy at 5.8 GHz. Additionally, most array antennas have higher losses in the feed network. This design uses coupled patches to keep the feed network simple and reduce these losses. 2. Exceptionally good axial ratio, not just directly perpendicular to the patch but also off-center. 3. High gain, though not as high as the theoretical gain of an array with 7 elements. This is because maximizing the gain would result in high sidelobes and a poor axial ratio. 4. Very low sidelobes, almost all energy is concentrated in the main lobe. This increases the width of the main lobe, at the expense of some gain. 👉 👉 Thanks for watching and don't forget to subscribe!