The Modulus’ analog output has been trusted for years for wireless SD video transmission. Channel dials on the front allow operation on all channels 14 through 69.
Modulus 3000 UHF Transmitter
MPR Says: "Wireless Mainstay"
"The Modulus is an older transmitter, but still regarded as one of the best for SD wireless video transmission on film sets. Operating within legal limits, this transmitter must compete with surrounding RF interference AS DO ALL SUCH GADGETS, but can still get the job done."