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Found 5 results

  1. A very well KNOWN DUAL band antenna 8dbi @2.4ghz 10dbi @5ghz You tube internals (Andrew)
  2. Been beating around the bush for years to find a Good 4x4 patch array... Higher than 21 dbi , good impedance through the whole band,low enough vswr, under -20dbi side lobes... the original design is for 12,5 ghz and almost none side-lobes Power distribution Ratio 1:5:5:1 Changed it to WiFi , distribution ratio 1:1:1:1 (Original design Eliminated Sidelobes at the COST of 1,5-2dbi of gain) I'm happy (some testing still needed ) REAL dielectric constant of Polystyrene foam is a guess (1.02-1.05)
  3. Hello Everyone, I was wondering if you could give me some advice on how to modify the following device. It is a Dahua Doorbell DB10. The range of this doorbell is very limited, which creates a lot of latency problems due to the weak wifi connection. Perhaps it would have been better to get an antenna extension for the WIFI router, but since I cannot drill the wall to place the antenna facing outside, this was my last option. My idea is to get a cable to solder to the places the antenna was soldered and then connect it to the antenna of a broke router or perhaps build a directional antenna. If you could be so gentle to inform me, what materials should I use to connect the device with the new antenna: - Cable RG? LMR? what type? Any type of information will be much apreciated. I should weld a piece of the cable from one side to the other, and then from that same side to the antenna, correct? Here i took apart the antenna that was inside the device.
  4. Hi admin.. what do you think about this antenna design? https://www.aliexpress.com/item/32540712226.html will the patch really help?
  5. Hi, sorry for a newbie question, I would like to build a directional 2.4GHz antenna for my secondary wifi router, and this forum contains many very good examples. What I don't understand is how to deal with the fact that the router has three antennas. What's the advice of the experts? Simply three coplanar biquads or pcb patches? At what distance? Won't they crosstalk badly? (like the three default styluses BTW) Thank you for any advice fbx