A dedicated IP address is a great way to permanently connect your internet browsing activity to yourself. It works better for tracking you across the internet than cookies do in some cases. This is a boon to advertisers and law enforcement.
Why you should want one idk. Seems dumb af for a privacy company to offer you this. Then again people misunderstand how VPNs work - they keep you safe from using public wifi, and that’s about it.
passive antennas aren’t powered, and transmit. active antennas are powered and don’t transmit. no idea why routers would include as an either / or. they should probably all xmit