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spe - 13 - 8 - 033/d / ez page 1 of 15 ma.515 .c.a108151.g108151 specification part no. : ma 515 .c.c g.001 product name : heavy duty screw mount antenna mimo single band 2.4ghz features : 2.4ghz suitable for ism bands/zigbee/wlan/bluetooth ieee.802.11 n high isolation between antenna elements uv and vandal resistant pe housing ip67 & ip69k compliance height 29mm diameter 49mm r o hs compliant
spe - 13 - 8 - 033/d / ez page 2 of 15 ma.515 .c.a108151.g108151 1. i ntroduction mimo communication system s are needed in high speed wireless applications . a mimo (multiple - input - multiple - output) system use s at least two antenna structures and is more advanta geous than single - input single - output (siso) by increasing channel capacity and reducing transmitting power. mimo antennas should have compact structure, high radiation efficiency, low envelope correlatio n, and high isolation between the signal ports . in small structures (antennas spaced closely) , the application of mimo technology has been restricted by high degree of coupling and spatial correlation between antenna elements d ue to the limited available space . the isolation between antennas become critical as it can deteriorate the system performance and decreases channel capacity. taoglas have designed the hercules ma515 antenna to meet these demanding requirements the hercules ma515 mimo 2.4ghz 3dbi an tenna is low profile, heavy - duty, fully ip67 and ip69k waterproof external m2m antenna for use , transportation and remote monitoring applications. this unique omnidirectional 3dbi antenna provide high efficiency and high isolation (>20db), between antennas elements in a heavy - duty low profile compact structure, d eli vering powerf ul mimo antenna technology for wi - fi 802.11n. the antenna screws down permanently onto a roof or metal panel and can be pole or wall - mounted. the two antenna elements are vertically polarized, matching well with the polarization of most wireless routers antennas. an envelope correlation co - efficiency of only 0.2 ensures good performance with the mimo module. for industries such as remote monitoring, smart meter systems, construction equipment, public safety at o nly 29 mm high, the hercules ma 51 5 mimo antenna provides an unobtrusive, robust, rugged antenna that is durable even in extreme environments.
spe - 13 - 8 - 033/d / ez page 3 of 15 ma.515 .c.a108151.g108151 2. s pecification antenna hercules ma 51 5 mimo electrical antenna 1 antenna 2 ope ration frequency (ghz) 2.4 ~ 2.5 2.4~2. 5 polarization linear linear impedance (ohms) 50 50 min isolation (db) - 25 - 25 max vswr 2 .0 :1 2.0 :1 max return loss (db) - 10 - 10 peak gain (dbi) 3.0 3.0 efficiency (%) 56 56 average gain (db) - 2.5 - 2.5 radiatio n properties omni omni max input power 2w max 2w max mechanical dimensions (mm) height=29 diameter=49 cable 1m rg316 - fully customizable casing uv resistant pc base and thread nickel plated zinc alloy/steel weather proof gasket cr43 05 foam with 3m9 448wc double - side adhesive connector rp - sma male fully customizable tread diameter (mm) 18 sealant rubber stopper environmental protection ip67 & ip69k corrosion 5% naci for 48 hrs - nickel plated steel base and thread temperature range - 4 0 oc to +85o c thermal shock 100 cycles - 40c to +85 c humidity non - condensing 65 c 95% rh shock (drop test) 1m drop on concrete 6 axes * the hercules ma515 mimo antenna perfo rmance was measured with rg316 coaxial cable at 1 meter cable length on a 30x30 c m ground plane.
spe - 13 - 8 - 033/d / ez page 4 of 15 ma.515 .c.a108151.g108151 3. antenna characteristics 3.1 test set - up figure 1. impedance measurem ents. figure 2. peak gain, efficiency and radiation pattern measurements. y x z
spe - 13 - 8 - 033/d / ez page 5 of 15 ma.515 .c.a108151.g108151 3.2 return loss figure 3 . return loss of the hercules ma515 mimo antenna fro m 2100 mhz to 2700 mhz . 3.3 vswr figure 4 . vswr of the hercules ma515 mimo antenna from 2100 mhz to 2700 mhz
spe - 13 - 8 - 033/d / ez page 6 of 15 ma.515 .c.a108151.g108151 3.4 isolation figure 5 . isolation of the hercules ma515 mimo antenna from 2100 mhz to 2700 mhz 3.5 envelope correlation coefficient (ecc) fi gure 6 . ecc of the hercules ma515 mimo antenna from 2300 mhz to 26 00 mhz.
spe - 13 - 8 - 033/d / ez page 7 of 15 ma.515 .c.a108151.g108151 3.6 efficiency figure 7 . efficiency of the hercules ma515 mimo antenna from 2300 mhz to 26 00 mhz. 3.7 peak gain figure 8 . peak gain of the hercules ma515 mimo antenna from 2300 mhz to 26 00 mhz .
spe - 13 - 8 - 033/d / ez page 8 of 15 ma.515 .c.a108151.g108151 3.8 average gain figure 9 . average gain of the hercules ma515 mimo antenna from 2300 mhz to 26 00 mhz. 3.9 3d radiation p atterns figure 10 . 3d radiation pattern at 2450 mhz of the ma515 antenna , a) antenna 1, b) antenna 2 .
spe - 13 - 8 - 033/d / ez page 9 of 15 ma.515 .c.a108151.g108151 3.10 2d radiation p a tterns 3.10.1 mimo antenna 1 2400 mhz band
spe - 13 - 8 - 033/d / ez page 10 of 15 ma.515 .c.a108151.g108151 figure 11 . 2d radiation pattern at 2400mhz band 3.10.2 mimo antenna 2 2400 mhz band
spe - 13 - 8 - 033/d / ez page 11 of 15 ma.515 .c.a108151.g108151 figure 1 2 . 2d radiation pattern at 2400mhz band
spe - 13 - 8 - 033/d / ez page 12 of 15 ma.515 .c.a108151.g108151 4. antenna d rawing figure 13 . antenna drawing
spe - 13 - 8 - 033/d / ez page 13 of 15 ma.515 .c.a108151.g108151 5. installation figure 1 4 . installation
spe - 13 - 8 - 033/d / ez page 14 of 15 ma.515 .c.a108151.g108151 6. packaging
spe - 13 - 8 - 033/d / ez page 15 of 15 ma.515 .c.a108151.g108151 taoglas makes no warranties based on the accuracy or completenes s of the contents 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 discl osure to third parties without express permission is strictly prohibited. copyright ? taoglas ltd.

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