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18 Good

About efeksk

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    Advanced Member
  1. It's been a long time. I was not active due to health problems. Now I'm slowly coming back. I have added a notch filter in the attached picture. This filter is produced so that the two RF systems working side by side do not interfere with each other. 1 watt rf transmitter in the 915 mhz band and 1200 mhz rf video receiver are used to avoid interference. This filter is to protect 1200mhz rf video receiver from noise from 915mhz rf transmitter. If this filter is not used, noise appears in the image. Should I do to build a pcb filter like this?
  2. with 1.2 ghz
  3. It looks great. 2420 MHz and 5775 MHz. I can think of it as a metal with a laser. If you can give me the relevant files I can cut with metal laser cutting. Please tell me what materials I need to use
  4. ooowww. yessssss
  5. It must be pretty good. And the size should be max 12x12 cm
  6. But it's pretty big
  7. This is a great man
  8. What would you recommend for 2.4GHz
  9. wooooow
  10. What kind of antenna ? Made for 2.4 GHz and 5.8 GHz frequencies. There is a reflector at the back of the tee. Could you work that way and build an antenna? For a 5.8GHz remote controller and a 2.4 GHz image receiver
  11. What is this
  12. No this is not good. He's using a brush motor system. Brushless motor system is better
  13. Hello my friend. Can we build this antenna with 25 dBi gain
  14. no. They are the videos of my friends