-Callboost 5g signal booster Support 2*2 MIMO input and output,greatly improve the cellular internet network. -Callboost Auto turn-off protection in case of excessive self oscillation or over input. -ALC function,auto control of output power for stable coverage. -Callboost use the newest Chinese 5G technology in the signal repeater. -Easy to cover over 600-1000m2 and easy to install. -Idle turn-off,auto turn-off of uplink while no active users in the coverage,lowering interference to BTS. -Average using life is over 5 years and one year warranty. Send us inquiry to get code for checking the specifications.