Feeder window

The utility model discloses a feeder window, relates to the technical field of feeder windows of communication base rooms, and aims to solve the problem of low universality when the feeder window and a through hole of a mounting plate are mounted. The feeder window comprises a mounting part, an air bag and an adjusting part. The mounting piece comprises a first part, a second part and a wiring channel, the wiring channel simultaneously penetrates through the first part and the second part, the first part is in contact with the first surface of the mounting plate, and the second part is arranged in the through hole of the mounting plate in a penetrating manner. The air bag comprises a first bag body and a second bag body which are communicated with each other. The adjusting part is used for compressing the first bag body and driving the second bag body to extend out of the second cavity from the opening; the second bag body is used for being in contact with the second face of the mounting plate, and the second