850mhz cell phone signal booster yagi antenna // best for jiofi // worked even in no network village

Описание: Hello friends, after success and huge demand of 2300mhz signal booster, 1800mhz signal booster and universal 2g,3g,4g signal booster antenna, we are publishing 850mhz version signal booster antenna.

how to make balun/amplifier/ampedence matching:    • Universal 50 ohm balun amplifier for signa...  

WARNING: ALL YAGI STRUCTURED ROOFTOP ANTENNAS ARE AT RISK OF SURGE DURING LIGHTNING, THEY DON'T ATTRACT LIGHTNING BUT AT LIGHTNING CONDITION, IT IS SUGGESTED TO TURN OFF ALL EQUIPMENTS INCLUDING EXTERNAL ANTENNAS AND SIMILAR EQUIPMENTS. HERE WE ASSUME THAT ALL VIEWERS ARE WELL EDUCATED TO ELECTRIC EARTHING SYSTEM AND CURRENTLY WELL GROUNDED ALL ANTENNAS. HERE WE DON'T TAKE ANY RISK OF HARM DONE BY IMPROPER EARTHING AND CARELESS ENGINEERING.



This antenna will work on all operators using 850mhz frequency. As jio india has built great network coverage in rural area specially focusing 850mhz band, this antenna will fulfill the needs of rural connectivity.
WE ARE RURAL VILLAGE BOYS TRYING TO OVERCOME WITH NETWORK PROBLEMS, AND TRYING TO HELP PEOPLES WHO ARE FRUSTATED WITH NETWORK CONNECTIVITY WITH CHEAPEST MATERIALS FOUND NEAR OUR JUNKYARDS. PLEASE SUPPORT US IF YOU LIKED ANY OF OUR VIDEOS BY SIMPLY LEAVING A LIKE AND SUBSCRIBING US.

SPECIFICATIONS
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Operating Frequency: 850 MHz
Wavelength : 353 mm
Elements diameter: 9 mm
Boom Diameter (Pvc pipe) : 20 mm
Boom Length : 550 mm
d/lambda : 0.026 ( min.: 0.002 , max.: 0.01 )
D/lambda : 0.050 ( min.: 0.01 , max.: 0.05 )
Total Elements (including dipole and reflector) : 8
Achieved Gain : 10.61 dBd (approx.)

MEASUREMENTS
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Reflector 1: 154mm (position 0mm)
Reflector 2: 155mm (position 106mm)
Reflector 3: 156mm (position 205mm)
Reflector 4: 157mm (position 293mm)
Reflector 5: 159mm (position 369mm)
Reflector 6: 160mm (position 433mm)
Folded dipole: 161mm (position 459mm)
Cicular reflector: 170mm diameter (position 544mm)

NOTE: ANTENNA SHOULD BE PLACED STRAIGHT TOWARDS ANTENNA
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music used in this video:
track: Marcus Cobe M5H - Be Fearless (Inspired by Alan Walker) [NCN Release]
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additional credits:
pointing icon: kisspng.com
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