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| s pe - 11 - 8 - 017/ h /ss page 1 of 13 specification iridium certified part no. : i p. 1 621 .25 .4.a .02 product name : 4 mm thick iridium patch antenna , 1621 mhz features : 25 .1 m m* 2 5 .1 mm* 4 mm rohs compliant :
s pe - 11 - 8 - 017/ h /ss page 2 of 13 1. introduction this miniaturized ceramic iridium patc h antenna is based on smart xtremegain ? technolog y. it is mounted via pin and double - sided adhesive and has been selected as optimal solution for the customer device environment. iridium certifies the ip.1621.25.4.a.02 for commercial use in connection with the iridium communications systems. 2. key antenna performance indicators original patch specification tested on 5 0 *50 mm ground plane no parameter specification notes 1 range of receiving frequency 1616~1626.5mhz 2 center frequency 1621mhz 3mhz with 50*50mm gnd plane 3 bandwidth 16mhz return loss - 10db 4 vswr 1.5 max center frequency 5 gain at zenith +2.0dbi typ. center frequency 6 gain at 10 elevation -- center frequency 7 axial ratio 3 db max center frequency 8 polarization rhcp 9 impedance 50? 10 frequency temp coefficie nt (tf) 020ppm/c - 40c to +85c 11 operating temperature - 40c to +85c 12 antenna weight 10g s pe - 11 - 8 - 017/ h /ss page 3 of 13 3. mechanical drawing 3.1 shape and dimension s pe - 11 - 8 - 017/ h /ss page 4 of 13 3.2 layout 3.3 mark s pe - 11 - 8 - 017/ h /ss page 5 of 13 3.4 evaluation board (ipd.25a) s pe - 11 - 8 - 017/ h /ss page 6 of 13 3.5 test fixture antenna setup and measuremen ts s pe - 11 - 8 - 017/ h /ss page 7 of 13 4. performance testing and results s pe - 11 - 8 - 017/ h /ss page 8 of 13 4.1 antenna gain chart 4.1.1 xz plane s pe - 11 - 8 - 017/ h /ss page 9 of 13 4.1.2 y z plane s pe - 11 - 8 - 017/ h /ss page 10 of 13 4.1.3 xz +y z plane s pe - 11 - 8 - 017/ h /ss page 11 of 13 4.2 axial ratio s pe - 11 - 8 - 017/ h /ss page 12 of 13 5. packaging s pe - 11 - 8 - 017/ h /ss page 13 of 13 taoglas makes no warranties based on the accuracy or compl eteness of the contents of this document and reserves the right to make changes to specifications and product descriptions at any time without notice. taoglas reserves all rights to this document and the info rmation contained herein. reproduction, use or d isclosure to third parties without express permission is stric tly prohibited. copyright ? taoglas ltd. |
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