Ecreso Helios FM 20/100 W User Manual - page 9
Manual is about: 87.5 – 108 MHz 20 OR 100 W Stereo And Multiplex Compact Fm Digital Transmitter With Tcp/Ip Monitoring
of
80
Helios FM 20/100 W, user manual– 12/2011
2.2.3. Opened cover
Audio inputs
RF amplifier bloc
Mains filter
Optional GPIO board
Optional
communication
board
Surge protection
(non present option)
Digital
modulator
High output
power supply
Low voltage
power bloc
Control board
Page 9
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