This one is good if you are trying to work with large packets. netcat uses 1024 bytes in UDP mode.
nping --udp -p 2090 111.22.333.4 --data-length 1550UDP mode, to port 2090 at address, with a packet length of 1550 bytes.
This is from the nmap package, or is sometimes packaged as nping separately.
Further info is at https://nmap.org/book/nping-man-general-operation.html