Exactly: It's not simply an amplifier, it's a repeater. It's similar to two-way radio repeaters used by amateur radio and emergency communications, with the maj

Exactly: It's not simply an amplifier, it's a repeater. It's similar to two-way radio repeaters used by amateur radio and emergency communications, with the major difference being that this sounds like a full duplex device on one frequency, whereas radio communication repeaters generally use two sets of frequencies in a half-duplex configuration.