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page 1 of 12 ip.1621.25.4.a.02 specifcation part no. ip.1621.25.4.a.02 product name 4mm thick iridium patch antenna, 1621mhz feature 25mm*25mm*4mm rohs compliant iridium certifed front back spe-11-8-017/d/ss |
page 2 of 12 this miniaturized ceramic iridium patch antenna is based on smart xtremegain? technology. it is mounted via pin and double-sided adhesive and has been selected as optimal solution for the customer device environment. iridium certifes the ip.1621.25.4.a.02 for commercial use in connection with the iridium communications systems. 1. introduction 2. key antenna performance indicators original patch specifcation tested on 50*50mm ground plane parameter specifcation notes range of receiving frequency 1616~1626.5mhz center frequency 1621mhz 3mhz with 50*50mm gnd plane bandwidth 16mhz return loss -10db vswr 1.5 max center frequency gain at zenith +2.0dbi typ. center frequency gain at 10 elevation center frequency axial ratio 3 db max center frequency polarization rhcp impedance 50 frequency temp coeffcient (tf) 020ppm/c -40c to +85c operating temperature -40c to +85c antenna weight 10g spe-11-8-017/d/ss |
page 3 of 12 3. mechanical specifcations 3.1 shape and dimension name material finish qty 4 d51sssn51516f ceramic clear cffiftwf white liner brass bf spe-11-8-017/d/ss |
page 4 of 12 3.2 layout 3.3 mark spe-11-8-017/d/ss |
page 5 of 12 3.4 test jig and dimensions 3.5 test fixture antenna setup and measurements spe-11-8-017/d/ss |
page 6 of 12 4. performance testing and results ch1 markers bw: 17.896549 mhz cent: 1621.131270 mhz q: 90.583 1 loss: -21.527 db ch3 markers 2: 58.969 ? -2.3008 m? 1.62113 ghz 3: 92.266 ? 16.277 ? 1.61218 ghz 4: 41.121 ? -28.895 ? 1.63007 ghz center 1 621.000 000 mhz span 100.000 000 mhz * > > cor cor ch1 rfl log 5 db / ref .3 db 1: -21.527 db 1 621.000 000 mhz ch3 rfl 1 u fs 1: 58.865 ? -2.1875 ? 44.884 pf 1. 621 ghz 2 3 4 1 3 4 2 1 spe-11-8-017/d/ss |
0 -5 -10 -15 -20 -25 -30 -35 -40 90 270 180 0 page 7 of 12 4.1 antenna gain chart 4.1.1 xz plane pattern model no. test mode freq (mhz) max gain(dbi) min gain(dbi) avg. gain(dbi) source polar. 1 ip.1621.25.4.a.02 xz 1621.00 2.72 / 0.00 -6.84 / 104.00 -1.05 v+h spe-11-8-017/d/ss |
page 8 of 12 4.1.2 yz plane radiation pattern model no. test mode freq (mhz) max gain(dbi) min gain(dbi) avg. gain(dbi) source polar. 1 ip.1621.25.4.a.02 yz 1621.00 3.00 / 358.99 -7.57 / 101.85 -0.86 v+h 0 -5 -10 -15 -20 -25 -30 -35 -40 90 270 180 0 spe-11-8-017/d/ss |
page 9 of 12 4.1.3 xz + yz plane radiation pattern model no. test mode freq (mhz) max gain(dbi) min gain(dbi) avg. gain(dbi) source polar. 1 ip.1621.25.4.a.02 xz 1621.00 2.72 / 1.00 -6.84 / 104 -1.05 v+h 2 ip.1621.25.4.a.02 yz 1621.00 3.00 / 358.99 -7.57 / 101.85 -0.86 v+h 0 -5 -10 -15 -20 -25 -30 -35 -40 90 270 180 0 spe-11-8-017/d/ss |
page 10 of 12 4.2 axial ratio -5 -10 -15 -20 -25 -30 -35 -40 90 270 180 0 pattern model no. test mode freq (mhz) max gain(dbi) min gain(dbi) avg. gain(dbi) source polar. 1 ip.1621.25.4.a.02 axial ratio 1621.00 0.13 / 356.87 -30.61 / 95.76 -4.00 cp spe-11-8-017/d/ss |
page 11 of 12 9. packaging per tray: 50 pieces per carton (inside box) - 4 trays = 200 pieces outer carton (outside box) - 4 cartons = 800 pieces spe-11-8-017/d/ss |
page 12 of 12 taoglas makes no warranties based on the accuracy or completeness of the contents of this document and reserves the right to make changes to specifcations and product descriptions at any time without notice. taoglas reserves all rights to this document and the information contained herein. reproduction, use or disclosure to third parties without express permission is strictly prohibited. copyright ? taoglas ltd. spe-11-8-017/d/ss |

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