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| s pe - 14 - 8 - 071/b /ss page 1 of 16 specification part no. : cgg bp.25.4.a .02 product name : embedded 25mm gps/glonass /beidou patch antenna, 1561/1575/1602 mhz feature : 25*25*4mm ceramic patch high gain (up to 3.5dbi) excellent stability on the three gnss systems optimized radiation pat terns pin mount rohs compliant
s pe - 14 - 8 - 071/b /ss page 2 of 16 1. introduction this 25 mm square embedded ceramic gps/glonass/beidou patch antenna's wide band of operation leads to excellent gain and radiation pattern stability on all three common commercial gnss system s worldwide . compared to using a smaller antenna, this will translate into the gnss system having much higher location accuracy, improved reliability of lock in urban areas, better signal reception, with more satellites acquired and a quicker time to first fix. the p atch is mounted via pin and double - sided adhesive. s pe - 14 - 8 - 071/b /ss page 3 of 16 2. specification electrical frequency beidou:1561.098mhz 2.046 m h z gps: 1575.42 1.023mhz glonass: 1602 5mhz centre frequency 1582 mhz 3mhz vswr beidou: 2.5 max. g ps: 2.5 max. g lonass: 1.8 max. z enith gain beidou: +2.5 dbi typ. gps: +1.5 dbi typ. glonass: +3.5 dbi typ. impedance 50 ? mechanical dimensions 25 x 25 x 4mm material ceramic pin diameter 0.9mm pin length 1.65 mm environmental operation temperature - 40c to 85c storage temperat ure - 40c to 105c humidity non - condensing 65c 95% rh s pe - 14 - 8 - 071/b /ss page 4 of 16 3. antenna characteristics 3.1 s11 impedance s pe - 14 - 8 - 071/b /ss page 5 of 16 3.2 return loss s pe - 14 - 8 - 071/b /ss page 6 of 16 4. 2d antenna radiation s pe - 14 - 8 - 071/b /ss page 7 of 16 4.1 1575.42mhz peak gain (dbi) average gain (dbi) xz plane 2.39 - 2.26 yz plane 2.38 - 2.25 s pe - 14 - 8 - 071/b /ss page 8 of 16 4.2 1561mhz peak gain (dbi) average gain (dbi) xz plane 3.41 - 1.20 yz plane 3.36 - 1.19 s pe - 14 - 8 - 071/b /ss page 9 of 16 4.3 1602mhz peak gain (dbi) average gain (dbi) xz plane 4.21 - 0.48 yz plane 3.95 - 0.73 s pe - 14 - 8 - 071/b /ss page 10 of 16 5. mechanical drawing - patch s pe - 14 - 8 - 071/b /ss page 11 of 16 5.1 adhesive thickness red line shows the adhesive without liner C thickness 0.08~0.1mm s pe - 14 - 8 - 071/b /ss page 12 of 16 6. cggbpd.25.a evb s pe - 14 - 8 - 071/b /ss page 13 of 16 cggbp.25.4.a.02 patch on 70*70mm ground plane s pe - 14 - 8 - 071/b /ss page 14 of 16 7. pcb footprint recommendation s pe - 14 - 8 - 071/b /ss page 15 of 16 8. packaging 8.1 inner tray 50 pieces per tray 4 trays per inside box = 200 4 inside boxes per outer carton - outer carton contains 800 pieces s pe - 14 - 8 - 071/b /ss page 16 of 16 8.2 carton |
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