Communications product and base station system

A base station system, comprising an equipment room and an antenna, wherein a baseband processing unit is disposed inside the equipment room, the base station system further comprises a communications product, a remote radio module of the communications product is connected to the baseband processing unit by using an optical fiber, a holder is close to the antenna, and the remote radio module is electrically connected to the antenna;

• the communications product comprises a remote radio module and a mounting kit, wherein the mounting kit comprises a fastening part, the fastening part is configured to mount and fasten the remote radio module to a holder, the mounting kit further comprises a ventilation part and an air supply part, an air source is disposed inside the air supply part, the ventilation part is connected between the fastening part and the air supply part, a ventilation channel is disposed inside the ventilation part, and the ventilation channel allows the air supply part to communicate with the remote radio module, so that an air flow generated by the air source reaches the remote radio module after passing through the ventilation channel, to dissipate heat for the remote radio module.