Connection rod capable of fine tuning of length and antenna module

The present invention discloses a connection rod capable of fine tuning of a length and an antenna module, and relates to the technical field of antenna connection rods. The connection rod capable offine tuning of the length comprises a connection main body, a connection block and a first fine tuning pin; a line where the length direction of the connection main body is located is a line where thefirst direction is located, the connection main body is provided with a first fine tuning hole and a holding space which communicate, the connection block is arranged in the holding space, and thereare gaps between the two ends of the holding space in the first direction and the connection block; and the first fine tuning pin is movably connected with the connection main body through the first fine tuning hole and stretches into or quit the holding space along the first fine tuning hole, one end of the first fine tuning pin is a first fine tuning end in a taper shape and stretching into theholding space, and the taper