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s pe - 11 - 8 - 132/h /wy page 1 of 15 specification part no. : cgip.25.4.a.02 product name : 25mm iridium ? / gps / galileo ceramic patch antenna 1 575 C 162 6 mhz single feed feature : wide operation band high gain dims:25*25 *4mm single feed ceramic patch for combined iridium ? /gps /galileo a pplication s iridium ? has certified the cgip.25.4.a.02 a ntenna for commercial use in connection with the iridium ? communications system rohs compliant
s pe - 11 - 8 - 132/h /wy page 2 of 15 1. introduction the taoglas gps /galileo /iridium ? cgip.25 ceramic patch antenna is a low profile (4mm) , small footprint (25 *25mm) , single feed antenna designed for combined iridium ? /gps /galileo applications . it has been specifically designed to provide excellent performanc e in the 1575.42 to 1626.5 mhz range. this ceramic patch offers a typical peak gain of 5dbi for gps /gali l eo and iridium ? . these patches are mounted via pin and double - sided adhesive. while the antenna is certified, some antenna detuning or device or layout issues* may prevent a device from passing iridium ? certification. taoglas offers performance testing and verification, a s well as a custom tuning service for the patch for a specific customer device and ground - plane mounting. taoglas can also pre - test the whole device for iridium ? certification. please contact us for any assistance required. *actual gps /galileo /iridium ? system perf ormance on a device is a function of the overall system de sign of the device and environment where the device is used . u se of even a tuned patch or any antenna on a compromised device design or application will not guarantee good gps /galileo /iridium ? performance.
s pe - 11 - 8 - 132/h /wy page 3 of 15 2. specification gps /galileo /iridium ? a ntenna operating bands gps /galileo iridium ? frequency (mhz) 1575.42 1621 vswr < 2:1 <1.5:1 efficiency (%) 75 typ. 75 typ. gain @ zenith (dbi) 5 typ. 5 typ. average gain (d b i) > - 2 > - 2 impedance 50? mechanical patch dimensions (mm) 25 x 25 x 4 pin dimension (mm 0.9 x 1.65 weight (g) 5 environmental operation temperature - 40c to 85c storage temperature - 4 0 c to 105c humidity non - condensing 40c 95% rh soldering temperature 290 c for 3 seconds max. * all electrical pr operties ar e tested with the patch on 70* 70mm ground.
s pe - 11 - 8 - 132/h /wy page 4 of 15 3. antenna properties 3.1. return loss 3.2. vswr
s pe - 11 - 8 - 132/h /wy page 5 of 15 3.3. radiation efficiency 3.4. peak gain
s pe - 11 - 8 - 132/h /wy page 6 of 15 3.5. average gain
s pe - 11 - 8 - 132/h /wy page 7 of 15 4. antenna radiation the antenna is measured on a ctia certified anechoic chamber. the cgip.25 antenna is put on a 70*70mm ground plane. y z x
s pe - 11 - 8 - 132/h /wy page 8 of 15 4.1. 3d radiation pattern @ 1575.42mhz 4.2. 3d radiation pattern @ 1621mhz
s pe - 11 - 8 - 132/h /wy page 9 of 15 4.3. 2d radiation pattern xz plane z y plane x z y z
s pe - 11 - 8 - 132/h /wy page 10 of 15 x y plane x y
s pe - 11 - 8 - 132/h /wy page 11 of 15 5. mechanical d rawing (unit: mm)
s pe - 11 - 8 - 132/h /wy page 12 of 15 6. cgip.25.4.a.02 o n evaluation board the cgip .25.4.a.02 is designed with 70 *70mm square metal plane, put the antenna at the center of the metal ground, and then the antenna will have excellent performance. the rec ommendation setup is shown as follows.
s pe - 11 - 8 - 132/h /wy page 13 of 15 7. pcb layout recommendation *the antenna feeding in transmission line should connect with the 2.5 circle at the bottom side, and keep transmission line impedance at 50 ohms for good power transmit from system to antenna.
s pe - 11 - 8 - 132/h /wy page 14 of 15 8. p ackaging ( unit: mm) 50 pieces per tray 4 trays per box
s pe - 11 - 8 - 132/h /wy page 15 of 15 50 pieces per tray 4 trays per box = 200 pieces per box 4 boxes per carton = 800 piece per carto n taoglas makes no warranties based on the accuracy or completeness of the conten ts 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 information contained herein. reproduction, use or disclosure to third parties without express permission is strictly prohibited. copyright ? taoglas ltd.

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