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spe - 1 2 - 8 - 051/c /zl page 1 of 11 specification part no. : fxp07.09.0100a product name : flexible pcb penta band gsm antenna, 100mm 1.13cable, right angle mmcx connector feature : very low profile penta - band gsm adhesive tape for easy mounting rohs compliant
spe - 1 2 - 8 - 051/c /zl page 2 of 11 1. introduction fxp. 07 is a general version of stick - on flexible pcb gsm penta - band antenna . it is designed with a cellphone size ground plane so works the best with devices of similar size or bigger. this low profile and conformable antenna can be easily fitted into any housing for plug - and - play application. 2. specification communication system penta - band cellular amps gsm dcs pcs umts frequency (mhz) 824 ~ 896 880~960 1710~1880 1850~1990 1710~2170 efficiency (ground plane) 91% 83% 39% 21% 18% efficiency (free space) 13% 14% 49% 40% 29% vswr 1.06~7.3 impedance 50 ohm radiation pattern omni - directional polarization linear fpcb 41.0 x 24.0 mm connector mmcx(m)ra cable ?1.13 cable length 100 mm adhesive tape 3m 467 operation temperature - 40 ~ +85 storage temperature - 40 ~ +85
spe - 1 2 - 8 - 051/c /zl page 3 of 11 2.1 mounting instructions and ground - plane connection peel back 3m paper. on the underside of the antenna is automotive grade 3m adhesive (glue) for sticking the fxp.07 directly to plastic (e.g. housing). the an tenna can be curved around housing but should not be folded sharply ground connection - this small square pad at the bottom of the fxp.07 can be seen when paper is removed. this should be connected to extra ground or metal to increase efficiency (e.g. allow pad to touch the side of a pcb like the picture above this is the antenna trace or signal feed and should be allowed to be free from the pcb and allowed to exist in free area on non metal area (plastic housing)_
spe - 1 2 - 8 - 051/c /zl page 4 of 11 3. electrical property 3 .1 test setup fxp. 07 was design ed with a cell - phone size ground plane ( 110 x 45 mm ). tests were setup to demonstrate its rf properties with this ground p lane, in free space and adhere d to a plastic box to simulate a typical application device . satimo sg64 3d - chamber is used for radiation and efficiency test with 5% tolerance. satimo sg64 3d - chamber and antenna setup referenc e. z y x
spe - 1 2 - 8 - 051/c /zl page 5 of 11 3 .2 radiation pattern x - y plane x - z plane fxp. 07 with original ground plane this ground plane is what fxp. 07 is originally designed for. so the test result can be treated as a bench mark for this antenna. x - y plane x - z plane
spe - 1 2 - 8 - 051/c /zl page 6 of 11 fxp. 07 in free space miniature antenna needs a ground plane for r adiation. fxp. 07 tested with no ground plane present the extreme cases of the antenna performance. x - y plane x - z plane
spe - 1 2 - 8 - 051/c /zl page 7 of 11 fxp. 07 adhere on plastic majority of the gsm devices is made with plastic housing. this test demonstrate the effects of fxp. 07 adhere on a piece of plastic. compare the re sult of fxp. 07 in free space with and without adhering on a piece of plastic, the plastic mainly degrade the performance of gsm1850mhz band. x - y plane x - z plane
spe - 1 2 - 8 - 051/c /zl page 8 of 11 fxp. 07 with the ground plane adher e on plastic box more often, fxp. 07 is attached to a piece of ground place and packed in a plastic box. this test try to simula te a typical situation when fxp. 07 is attached to a piece of pcb, w ith other piece in a device. x - y plane x - z plane
spe - 1 2 - 8 - 051/c /zl page 9 of 11 3 .3 efficiency miniature antennas couple to the ground plane for radiation so the efficiency of the antenna without a ground plane is lar gely degrades in lower frequencies . these tests demonstrate the best performance (with the designed ground) and the worst performance (with no ground) possib le of fxp. 07. 0.00% 20.00% 40.00% 60.00% 80.00% 100.00% 600 1000 1400 1800 2200 ground plane free space
spe - 1 2 - 8 - 051/c /zl page 10 of 11 4. drawing
spe - 1 2 - 8 - 051/c /zl page 11 of 11 5. packaging

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