i want to extend the radio coverage and I need to install a repeater to pick up the signal and broadcast it except I'm confused about how it works:
the repeater has a gain = 90 dbm and an output power = 37 dbm. for example the repeater receives a signal equal to -50dbm in this case how its output power will be calculated:
case 1: output power = received signal (-60dbm) + gain (90dbm)
-50+90=40 dbm = 10 watt
or
case 2: it suffices to capture a signal (greater than the minimum reception limit) so that the repeater amplifies it to its maximum power which is for this repeater equal to 37 dbm= 5 watt
the repeater has a gain = 90 dbm and an output power = 37 dbm. for example the repeater receives a signal equal to -50dbm in this case how its output power will be calculated:
case 1: output power = received signal (-60dbm) + gain (90dbm)
-50+90=40 dbm = 10 watt
or
case 2: it suffices to capture a signal (greater than the minimum reception limit) so that the repeater amplifies it to its maximum power which is for this repeater equal to 37 dbm= 5 watt