1. A mobile device, comprising: a wireless receiver configured to receive a wireless signal transmitted by a network entity of a monitoring system; a wireless transmitter configured to transmit wireless signals to the network entity; and a processor, wherein the processor is configured to: receive an activation code; generate activation data based on the activation code; transmit the activation data using the wireless transmitter to the network entity; receive, from the network entity, validation data indicating whether the activation data is valid; and in response to receiving the validation data that authenticates the activation data, activate configuration data associated with the activation data.