Visit these websites for other resources to oppose 5G. Take Action for Freedom lets you notify your public officials right now, with a detailed letter about the health concerns of 5G, and the option to include a personal message. They ensure your concern is sent to the public officials that represent your address.
5G Antenna Circuitboard
No final images have been released. The actual antennas will be very small, such as this photo from Fujitsu, but these will be in some kind of box which has not yet been publicly released.
5G antennas will be small, as illustrated by this antenna circuit board from Jujitsu. The circuit board will be contained in an enclosure for indoor or outdoor use. Images of the enclosure have not yet been released.