ROS Tetra

[sofiane13]

Hi all
what is the value of ROS that provides a good functioning antenna TETRA (db)?

think y all



Regards,

[uy0101]

you shoudl measure a VSWR less than 1.22 that is equivalent to a Return loss greater than 20dB
a VNA (vector network analyzer) is the ideal instrument to be used
regards,
uy