3G and 4G (LTE) DIY antenna (helical antena?)
时间：04-05
整理：3721RD
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Hi
what you think about helical antenna in range 1800MHz - 2100MHz?
I think for using gsm/gprs/HSDPA/HSUPA in mobile internet communication.......
example fow wifi but possible use of "my range":
http://helix.remco.tk/
http://www.transcampus.org/JORINDV8D...Dec201051.html
http://en.wikipedia.org/wiki/Helical_antenna
what you think about helical antenna in range 1800MHz - 2100MHz?
I think for using gsm/gprs/HSDPA/HSUPA in mobile internet communication.......
example fow wifi but possible use of "my range":
http://helix.remco.tk/
http://www.transcampus.org/JORINDV8D...Dec201051.html
http://en.wikipedia.org/wiki/Helical_antenna
Helical antenna is a good solution for your frequency range. If you find a tested design for other frequency (like amateur bands), scale the dimensions by wavelength ratio. Low cost solution with good results.
Thaaanks!
And what about MIMO routers witch have 2 inputs....both antennas each other shifted to each other for 45 deg.C?
How mount each helix antenna?