spe - 11 - 8 - 114 / c page 1 of 10 specification part no. : fxp 07 .07. 0 100a product name : flexible pcb penta band gsm antenna, 100mm ? 1.13 cable, ipex connector feature : very low profile penta band gsm adhesive tape for easy mounting rohs compliant
spe - 11 - 8 - 114 / c page 2 of 10 1. introduction fxp 07 .07. 0 100a is a general version of stick - on flexible pcb. it is designed with 10 0 mm 1.13 mm coaxial cable and the ipex c onnector for easy installation. fxp07.07.0100a is ideal for initial test of fpcb type antenna. 2. specification communication system penta - band cellu lar amps gsm dcs pcs umts frequency (mhz) 824 ~ 896 880~960 1710~1880 1850~1990 1710~2170 efficiency (ground plane) 82% 82% 29% 60% 49% efficiency (free space) 11% 12% 41% 32% 33% impedance 50 ohm radiation pattern omni - directional polarization lin ear fpcb 41.0 x 24.0 mm connector ipex cable ?1.13 cable length 100 mm adhesive tape 3m 467 operation temperature - 40 ~ +85 storage temperature - 40 ~ +85
spe - 11 - 8 - 114 / c page 3 of 10 3. electrical property 3.1 test setup fxp. 07 was design with a cell phone size ground plane ( 110 x 45 mm ) so works the best with this ground plane. tests were setup to demonstrate its rf properties with this ground plane, in free space and adhere to a plastic. satimo sg64 3d - chamber is used for radiation and efficiency test with 5% tolerance. fxp. 07 with original ground plane
spe - 11 - 8 - 114 / c page 4 of 10 3.2 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 antenna can be curved around housing but should not be folded sharply ground connection - t his small square pad at the bottom of the fxp . 07 can be seen wh en 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 - 11 - 8 - 114 / c page 5 of 10 free space antenna setup and s atimo sg64 3d - chamber. fxp. 07 places on a plastic in the chamber. z y x x y z
spe - 11 - 8 - 114 / c page 6 of 10 3.3 radiation pattern x - y plane x - z plane fxp - 07 with ground plane fxp - 07 in free space fxp - 07 adhere on plastic
spe - 11 - 8 - 114 / c page 7 of 10 3.4 efficiency miniature antennas couple to the ground plane for radiation so the efficiency of the antenna with out a ground plane is largely degrades. these tests demonstrate the best performance (with the designed ground) and the worst performance ( with no ground) possible of fxp. 07. adhere the antenna to a plastic changes the result, particularly in higher freque ncy bands. 0% 20% 40% 60% 80% 100% 600 1000 1400 1800 2200 ground plane free space plastic
spe - 11 - 8 - 114 / c page 8 of 10 3.5 return loss return loss result also indicates that fxp. 07 needs to connect to a ground plane for proper operation. -30 -26 -22 -18 -14 -10 -6 -2 400 800 1200 1600 2000 2400 g round plane free space plastic
spe - 11 - 8 - 114 / c page 9 of 10 4. mechanical drawing
spe - 11 - 8 - 114 / c page 10 of 10 5. packaging
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