Are some WiFi router antennas fake? Have there been fake ones?

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0:00 - Intro
0:53 - External antennas are not "old technology".
1:22 - Cell Phone "fake antenna" myth
2:04 - Bluetooth dongle 'dummy antenna'
2:53 - YT video: Fake high gain antenna
3:50 - Spotting a fake antenna
4:53 - WiFi Certification Regulations
5:56 - Outro