Simulated--Measured--Notes Center frequency--5.8 GHz--5.8 GHz±100 MHz Bandwidth--660MHz(5.47-6.13GHz)--950MHz±100MHz--Feed network losses increase bandwidth Matching--S11Less than -30dBVSWRLess than 1.065--S11Less than -20dBVSWRLess than 1.22--At center frequency Axial ratio--1.05(0.38 dB)--1.10(0.83 dB)--Averaged over beam width Antenna gain--14.4 dBi --14.0 dBi Half power beam width-- 30°--30°--Horizontal and vertical Radiation efficiency--75%--74% color: red Material: PC+metal Package Contents: 5 x Triple Feed Patch 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.