All the portable Directv satellite antennas are SD.
My boat has a SD KING VQ4800 Quest Pro Portable Satellite TV Antenna
https://www.amazon.com/KING-VQ4800-P...079Z4VN9B?th=1. Fifth wheel trailer has a permanent roof-mounted HD Winegard Traveler DirecTV SWM SK-SWM3 antenna
https://winegard.com/directv-swm-tra...0f5eaef56fc2b7. Works very well......highly recommend it.