When replacing the WLAN adapter with an ac-enabled adapter, do I need to change the antennas?

Question

WiFi

Laptop model hp envy j120er
Card model Intel n7260
Please advise which card with ac 5GHz support can be installed in this laptop and whether it is necessary to change antennas

Answer 1

Antennas - a passive device, she doesn't care what range to broadcast

Answer 2

Antennas with a band change should be changed, of course, otherwise the quality of communication at 5GHz will be sad. But for this you need to climb into the lid, and find antennas somewhere, and even attach them somehow there ...
If you really need a 5GHz band, perhaps the best way out would be an external usb wifi with built-in antennas for both bands. Something like ZYXEL NWD6605, for example.

Answer 3

It will work a little worse, you will have to manually set the channel on the router at the beginning of the range. 2.4GHz antennas are more compatible with the 4.8GHz band than with 5.0