Steren 207-340 Manual De Instrucciones página 4

Then, plug other coaxial cable from RF OUT output jack on the
converter to F connector on TV set.
If you don't have any device connected to F connector on TV, just plug a
coaxial cable from TO TV output to F connector on TV.
ANT IN
RF OUT
AUDIO
VIDEO
In case your TV set have 300ohm connector (screws) instead of F
connector, you must use a matching device from 75 to 300ohm, to
install the modulator as we seen before.
ENGLISH-04