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page 1 of 23 g21.b.301111 specifcation part no. g21.b.301111 product name hercules g21 gsm hercules gen.ii penta band cellular antenna screw-mount (permanent mount) gsm/gprs/cdma/evdo/umts/hspa/wcdma 850/900/1800/1900/2100 mhz feature ? low profle - height 29mm and diameter 49mm ? heavy duty screw mount ? uv and vandal resistant pc housing ? ip67 & ip69k C no ingress of dust and no water ingress permitted from powerful pressure jets in all directions and no performance degradation. protected against close-range high pressure, high temperature spray downs. ? standard is 3m cable rg174 sma(m)-customizable ? designed for a metal ground plane ? rohs compliant hercules spe-12-8-047/g/ez |
page 2 of 23 the g21 (generation ii) hercules is a high performance, steel thread-mount, penta-band cellular antenna for external use on vehicles and outdoor assets worldwide. omni-directional high gain across all bands ensures constant reception and transmission. the durable uv resistant pc housing is resistant to vandalism and direct attack. with ip67 and ip69k waterproof rating, the g21 can be screw mounted on vehicles and outdoor/indoor assets via its extra thick thread. the antenna has a compact dimension at only 28.5mm in height and 49mm in diameter. the enclosure is designed to not catch on tree- branches. taoglas recommend a minimum cable length of 300mm when used on a ground plane to achieve an effciency of greater than 30%. this antenna can be mounted on metal structures. the g21 is an ideal solution for cellular external applications where it can operate with or without the ground plane. 1. introduction 2. specifcation electrical cellular - on 30x30cm ground plane standard band (mhz) frequency (mhz) return loss (db) effciency (%) gain (dbi) polarization impedance max input power vswr cable length (meter) 0.3 1.0 2.0 3.0 5.0 cable length (meter) 0.3 1.0 2.0 3.0 5.0 cable length (meter) 0.3 1.0 2.0 3.0 5.0 amps 850 824-896 -6.0 -7.8 -8.1 -11.0 -11.8 51.1 39.4 24.3 24.6 17.1 2.0 1.7 1.4 1.0 -0.8 3g 2100 1920 C2170 -5.8 -13.7 -19.5 -18.1 -17.8 33.3 31.3 29.6 24.6 12.0 4.2 1.8 -0.7 -1.1 -4.2 pcs 1900 1850-1990 -6.2 -15.3 -20.3 -18.3 -17.8 46.5 43.4 28.2 23.8 15.0 4.3 1.9 -0.3 -1.1 -3.9 dcs 1800 1710-1880 -6.1 -11.4 -16.5 -17.5 -17.6 38.0 42.2 28.4 22.0 15.7 4.0 1.8 0.8 -0.9 -4.2 gsm 900 880-960 -5.2 -8.7 -9.3 -12.4 -13.6 41.4 40.2 27.5 27.6 16.4 1.5 2.7 2.1 1.0 -0.3 linear 50 ohms 10 watts <3.5:1 spe-12-8-047/g/ez |
page 3 of 23 electrical cellular - on 60x60cm ground plane standard band (mhz) frequency (mhz) return loss (db) effciency (%) gain (dbi) polarization impedance max input power vswr cable length (meter) 0.3 1.0 2.0 3.0 5.0 cable length (meter) 0.3 1.0 2.0 3.0 5.0 cable length (meter) 0.3 1.0 2.0 3.0 5.0 amps 850 824-896 -6.0 -7.8 -8.9 -11.0 -12.3 31.0 28.0 26.3 19.2 11.4 2.1 1.0 0.6 -0.5 -2.3 3g 2100 1920 C2170 -7.8 -16.3 -19.5 -18.6 -18.2 41.6 31.2 30.7 25.2 12.3 2.8 0.9 -0.8 -1.1 -3.9 pcs 1900 1850-1990 -8.5 -13.8 -19.6 -18.3 -19.1 43.6 33.5 29.6 22.1 11.6 3.0 1.6 -0.2 -0.1 -3.4 dcs 1800 1710-1880 -8.8 -13.6 -16.7 -17.8 -19.1 47.1 39.2 28.8 21.3 13.7 3.1 1.9 0.8 0.2 -2.9 gsm 900 880-960 -5.6 -8.2 -11.1 -13.6 -14.8 30.3 29.3 28.5 18.6 12.8 2.3 0.6 0.2 0.1 -2.2 linear 50 ohms 10 watts <3.5:1 2. specifcation spe-12-8-047/g/ez |
page 4 of 23 electrical cellular - in free space standard band (mhz) frequency (mhz) return loss (db) effciency (%) gain (dbi) polarization impedance max input power vswr cable length (meter) 0.3 1.0 2.0 3.0 5.0 cable length (meter) 0.3 1.0 2.0 3.0 5.0 cable length (meter) 0.3 1.0 2.0 3.0 5.0 amps 850 824-896 -6.2 -8.1 -8.5 -11.6 -11.8 53.2 24.3 24.1 23.3 13.6 0.4 0.2 -1.7 -1.8 -3.3 3g 2100 1920 C2170 -5.6 -13.2 -17.2 -18.3 -18.8 46.7 27.8 26.2 23.6 10.3 2.2 1.8 -1.5 -1.9 -4.7 pcs 1900 1850-1990 -6.4 -15.8 -17.6 -17.9 -18.4 43.6 40.2 31.2 22.8 11.8 2.5 0.9 -0.4 -1.8 -4.6 dcs 1800 1710-1880 -5.8 -10.9 -15.8 -16.9 -18.6 42.8 32.8 27.8 23.4 12.1 2.4 0.9 1.1 -1.2 -4.1 gsm 900 880-960 -5.3 -8.3 -12.3 -12.9 -15.6 51.3 32.6 25.8 24.2 20.8 0.9 0.2 -1.3 -1.1 -2.3 linear 50 ohms 10 watts <3.5:1 2. specifcation spe-12-8-047/g/ez |
page 5 of 23 2. specifcation *note: specifcations may be subject to change height = 29 mm and diameter = 49mm 3m rg174 C fully customizable sma-male C fully customizable uv resistant pc nickel plated steel 18 mm cr4305 foam with 3m9448b double-side adhesive rubber stopper ip67 & ip69k 5% nacl for 96hrs - nickel plated steel base and thread -40c to +85c 100 cycles -40c to +85c non-condensing 65c 95% rh 1m drop on concrete 6 axes 8 kgf 24.5nm 29.4nm 150g dimensions cable connector casing base and thread thread diameter weather proof gasket sealant protection corrosion temperature range thermal shock humidity shock (drop test) cable pull recommended mounting torque maximum mounting torque weight mechanical environmental spe-12-8-047/g/ez |
page 6 of 23 3. test set up y x z figure 1. g21 antenna test set up in free space, 30x30 cm metal plate and 60x60 cm metal plate, r&szvl6 vna (left) and r&s4100 ctia 3d chamber (right). figure 1. g21 antenna test set up in free space, 30x30 cm metal plate and 60x60 cm metal plate, r&szvl6 vna (left) and r&s4100 ctia 3d chamber (right). spe-12-8-047/g/ez |
page 7 of 23 4. antenna parameters 4. antenna parameters 0 -5 -10 -15 -20 -25 -30 700 2200 800 1000 1200 1400 1600 1800 2000 return loss (db) 900 1100 1300 1500 1700 1900 2100 figure 2. return loss of g21 hercules antenna in free space. 0.3 meters 1.0 meters 2.0 meters 3.0 meters 5.0 meters 0 -5 -10 -15 -20 -25 -30 700 2200 800 1000 1200 1400 1600 1800 2000 (mhz) return loss (db) 900 1100 1300 1500 1700 1900 2100 figure 3. return loss of g21 hercules antenna on 30 cm metal plate. frequency (mhz) 0.3 meters 1.0 meters 2.0 meters 3.0 meters 5.0 meters 4.1 return loss spe-12-8-047/g/ez |
page 8 of 23 0 -5 -10 -15 -20 -25 -30 700 2200 800 1000 1200 1400 1600 1800 2000 return loss (db) 900 1100 1300 1500 1700 1900 2100 figure 4. return loss of g21 hercules antenna on 60 cm metal plate. 0.3 meters 1.0 meters 2.0 meters 3.0 meters 5.0 meters frequency (mhz) 4.1 return loss spe-12-8-047/g/ez |
page 9 of 23 4. antenna parameters 60 50 40 30 20 10 0 700 2200 800 1000 1200 1400 1600 1800 2000 effciency (%) 900 1100 1300 1500 1700 1900 2100 figure 5.&gmdfodzpg()fsdvmftboufoobogsfftbdf 0.3 meters 1.0 meters 2.0 meters 3.0 meters 5.0 meters 60 50 40 30 20 10 0 700 2200 800 1000 1200 1400 1600 1800 2000 (mhz) effciency (%) 900 1100 1300 1500 1700 1900 2100 figure 6.&gmdfodzpg()fsdvmftboufoobpodnnfubmmbuf frequency (mhz) 0.3 meters 1.0 meters 2.0 meters 3.0 meters 5.0 meters 4.2 effciency 4.2 effciency spe-12-8-047/g/ez |
page 10 of 23 60 50 40 30 20 10 0 2200 800 1000 1200 1400 1600 1800 2000 effciency (%) 4.2 effciency 900 1100 1300 1500 1700 1900 2100 figure 7. &gmdfodzpg()fsdvmftboufoobpodnnfubmmbuf 0.3 meters 1.0 meters 2.0 meters 3.0 meters 5.0 meters frequency (mhz) spe-12-8-047/g/ez |
page 11 of 23 5 4 3 2 1 0 -1 -2 -3 -4 -5 800 1000 1200 1400 1600 1800 2000 gain (dbi) 4.3 peak gain 900 1100 1300 1500 1700 1900 2100 figure 8. peak gain of g21 hercules antenna in free space. 0.3 meters 1.0 meters 2.0 meters 3.0 meters 5.0 meters frequency (mhz) 5 4 3 2 1 0 -1 -2 -3 -4 -5 700 2200 800 1000 1200 1400 1600 1800 2000 (mhz) gain (dbi) 900 1100 1300 1500 1700 1900 2100 figure 9. peak gain of g21 hercules antenna on 30 cm metal plate. 0.3 meters 1.0 meters 2.0 meters 3.0 meters 5.0 meters 4.3 peak gain 2200 spe-12-8-047/g/ez |
page 12 of 23 5 4 3 2 1 0 -1 -2 -3 -4 -5 2200 800 1000 1200 1400 1600 1800 2000 gain (dbi) 4.3 peak gain 900 1100 1300 1500 1700 1900 2100 figure 10. peak gain of g21 hercules antenna on 60 cm metal plate. 0.3 meters 1.0 meters 2.0 meters 3.0 meters 5.0 meters frequency (mhz) spe-12-8-047/g/ez |
page 13 of 23 5.1 radiation patterns (free space) figure 11. radiation pattern at 849 mhz, figure 1 as reference (db), with 2 meter rg174 cable and free space 5. radiation pattern spe-12-8-047/g/ez |
page 14 of 23 5.1 radiation pattern figure 12. radiation pattern at 915 mhz, figure 1 as reference (db), with 2 meter rg174 cable and free space figure 13. radiation pattern at 1805 mhz, figure 1 as reference (db), with 2 meter rg174 cable and free space spe-12-8-047/g/ez |
page 15 of 23 5.1 radiation pattern figure 14. radiation pattern at 1910 mhz, figure 1 as reference (db), with 2 meter rg174 cable and free space. figure 15. radiation pattern at 2110 mhz, figure 1 as reference (db), with 2 meter rg174 cable and free space spe-12-8-047/g/ez |
page 16 of 23 5.2 radiation patterns (300*300mm ground plane) figure 16. radiation pattern at 849 mhz, figure 1 as reference (db), with 2 meter rg174 cable and 30x30 cm metal plate figure 17. radiation pattern at 915 mhz, figure 1 as reference (db), with 2 meter rg174 cable and 30x30 cm metal plate spe-12-8-047/g/ez |
page 17 of 23 5.2 radiation patterns (300*300mm ground plane) figure 18. radiation pattern at 1805 mhz, figure 1 as reference (db), with 2 meter rg174 cable and 30x30 cm metal plate figure 19. radiation pattern at 1910 mhz, figure 1 as reference (db), with 2 meter rg174 cable and 30x30 cm metal plate spe-12-8-047/g/ez |
page 18 of 23 5.2 radiation patterns (300*300mm ground plane) 5.3 radiation patterns (600*600mm ground plane) figure 20. radiation pattern at 2110 mhz, figure 1 as reference (db), with 2 meter rg174 cable and 30x30 cm metal plate. figure 21. radiation pattern at 849 mhz, figure 1 as reference (db), with 2 meter rg174 cable and 60x60 cm metal plate spe-12-8-047/g/ez |
page 19 of 23 5.3 radiation patterns (600*600mm ground plane) figure 22. radiation pattern at 915 mhz, figure 1 as reference (db), with 2 meter rg174 cable and 60x60 cm metal plate figure 23. radiation pattern at 1805 mhz, figure 1 as reference (db), with 2 meter rg174 cable and 60x60 cm metal plate spe-12-8-047/g/ez |
page 20 of 23 5.3 radiation patterns (600*600mm ground plane) figure 24. radiation pattern at 1910 mhz, figure 1 as reference (db), with 2 meter rg174 cable and 60x60 cm metal plate. figure 25. radiation pattern at 2110 mhz, figure 1 as reference (db), with 2 meter rg174 cable and 60x60 cm metal plate. spe-12-8-047/g/ez |
page 21 of 23 6. mechanical drawings name material finish qty 1 housing pc black 1 2 closed cell foam dp-3060w black 1 3 3m double adhesive 3m 9448 hk white liner 1 4 m18 inner nut steel carbon ni plated 1 5 outer nut cover abs black 1 6 m18x2.5 thread 14.6l zinc alloy ni plated 1 7 heat shrink tube pe white 1 8 cellular label coated paper blue 1 9 rubber stopper rubber black 1 name spec finish qty xx cable length 3000mm 30mm 1 yy cable type rg174 black 1 zz connector type sma(m) gold 1 spe-12-8-047/g/ez |
page 22 of 23 7. installation recommended torque for mounting is 24.5n m maximum torque for mounting is 29.4n m spe-12-8-047/g/ez |
page 23 of 23 taoglas makes no warranties based on the accuracy or completeness of the contents of this document and reserves the right to make changes to specifcations and product descriptions at any time without notice. taoglas reserves all rights to this document and the information contained herein. reproduction, use or disclosure to third parties without express permission is strictly prohibited. copyright ? taoglas ltd. 8. packaging 60 pe bags per carton carton dimensions - 320*300*260mm weight - 9.6kg pallet dimensions 1200*1200*1500mm 60 cartons per pallet 12 cartons per layer 5 layers 1 g21.b.301111 per pe bag bag dimensions - 300*100mm total weight - 150g 1200mm 1500mm 1200mm 320mm 260mm 300mm 100mm 100mm spe-12-8-047/g/ez |

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