do macbook pros contain fractal antennas

On recent Macs, multiple antennas are built in across the back of the enclosure, where the warm air exits.

On much older models, they were built into the screen surround, so they worked much better when the MacBook was open.

I agree with Kappy that these are unlikely to be fractal antennas.

No. Just wire antennae strung through the chassis or self-contained antennae on the Wi-Fi/BT card.