The 23192 from ETL Systems is SATCOM Redundancy Switch with frequency range of 850 MHz to 2.15 GHz (L-band). It contains two 2:1 switches (one for TX and one for RX) and both are simultaneously switched, by a dry (voltage free) contact signal from the antenna controllers (ACU). This redundancy switch has an insertion loss of 0.75 dB and an isolation of 60 dB (I/P-O/P, I/P-I/P). It has an input/output return loss of 8.5-16 dB and an automatic switching time of 200 ms. The redundancy switch can be operated in AUTO or MANUAL modes with the LED’s on the front panel indicating mode, selected antenna as well as power on and PSU status. The switch requires a power supply of 85-264 Vac which is supplied with 75 ohm F-type connectors. It has a mass of 3 kg and measures 1U x 13.77 x 19 inches (height x width x depth). The switch is designed to switch TX and RX feeds between two antennas and is designed for use on yachts or ships.