Systems and methods for PKI certificate and key allocations to wireless base station radio units are provided. In one embodiment, a system for obtaining PKI credentials for a remote unit for a wireless base station, the system comprises: a remote unit, the remote unit configured to implement a radio frequency (RF) interface; a gateway coupled to the remote unit, the gateway communicatively coupled to an online provision service (OPS) certificate authority (CA); wherein the gateway is configured to generate an AuthToken unique to the remote unit, wherein the remote unit is configured to request a RU digital certificate and private key from an OPS CA based on the AuthToken.