A technology is described for a repeater system comprising a repeater and a scanning receiver. The repeater can comprise a first port, a second port, one or more amplification and filtering paths coupled between the first port and the second port and one or more processors and memory. The scanning receiver can be configured to: identify one or more frequency ranges associated with a plurality of cellular carriers; scan the one or more frequency ranges; identify cellular carrier specific information for the one or more frequency ranges associated with the plurality of cellular carriers; and provide the cellular carrier specific information to the repeater.