Indoor in line amplifiers characterized by a high output level, ideal for the distribution of DTT signals in the E02÷E48 range. Indicated for large size TV systems. Made with components with a high quality standard. They have a single input, an output and a monitor output (-30 dB). Protection system against short circuits with LED notification. The amplification of the VHF and UHF bands is realized with single line, with gain and tilt adjustments.