Wilson Electronics' most powerful industrial signal booster kit made for spaces approx. 100,000 sq. ft., Wilson Pro 4000R. This is the first rack mounted signal booster kit to incorporate four amplifiers feeding multiple indoor antennas (allows up to 18 internal antennas). Wilson Pro 4000 is a non-rack mount version of the same booster composite. Both offer Extra Dynamic Range for continuous connectivity. They are 50 Ohm Systems with Automatic & Manual Gain Control. They work with all carriers in USA & Canada. Professional installation available - Contact us with details for a prompt installation quote.