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| s pe - 11 - 8 - 033/ d /ss page 1 of 12 specification part no. : wlp.2450.25. 4 . a . 02 product name : 2450mhz patch antenna features : 25 m m* 25 mm* 4 .5 mm rohs compliant photo :
s pe - 11 - 8 - 033/ d /ss page 2 of 12 1. introduction this wlp .25 patch antenna for ism, wi - fi, bluetooth and zigbee is bas ed on smart xtremegain ? technolog y. it is mounted via pin and double - sided adhesive and has been selected as optimal solution for the 50* 5 0mm ground plane. this passive patch offer s typical gain response from 2.5 dbi and a higher gain can be achieved, depending on the ground pl ane, the space available and clearance afforded. the wlp .25 s high gain performance is a perfect solution for metering and remote monitoring applications; it can deliver longer range than smaller chip antennas. 2. key antenna performance indicators origina l patch specification tested on 50 *50 mm ground plane no parameter specification notes 1 center frequency 2482mhz with 50 *50mm gnd plane 2 bandwidth 85 mhz min return loss - 10db 3 vswr 2.0 max center frequency 4 gain at zenith +5.0dbi c typ. center frequency 5 gain at 10 elevation - 1.0dbi c typ . center frequency 6 axial ratio 3 db max center frequency 7 polarization rhcp 8 impedance 50? 9 frequency temp coefficie nt (tf) 020ppm/c - 40c to +105c 1 0 operating temperature - 40c to +105c * chang es in user groundplane and environment will have an effect on the antennas performance s pe - 11 - 8 - 033/ d /ss page 3 of 12 3. mechanical specifications 3.1 dimensions and drawing s pe - 11 - 8 - 033/ d /ss page 4 of 12 3.2 layout dimensions 3.3 ground plane dimension s pe - 11 - 8 - 033/ d /ss page 5 of 12 3.4 test fixture antenna & performance measurements s pe - 11 - 8 - 033/ d /ss page 6 of 12 4. performance measurement 4.1 antenna s11 (return loss) 4.2 vswr s pe - 11 - 8 - 033/ d /ss page 7 of 12 4.3 antenna smith chart (impedance) s pe - 11 - 8 - 033/ d /ss page 8 of 12 4.4 efficiency s pe - 11 - 8 - 033/ d /ss page 9 of 12 4.5 antenna gain xz - plane yz - plane s pe - 11 - 8 - 033/ d /ss page 10 of 12 xy plane s pe - 11 - 8 - 033/ d /ss page 11 of 12 5. packaging ? per tray: 50 pieces ? per carton(inside box) C 4 trays = 200 pieces ? outer carton (outside box) C 4 cartons = 800 pieces 50 pieces per tray 4 tray s per carton s pe - 11 - 8 - 033/ d /ss page 12 of 12 |
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