The present disclosure describes a mounting bracket for remote radio unit mounting assemblies. The mounting bracket includes a bracket member having a main body section and two arms extending outwardly at an oblique angle from opposing ends of the main body section, wherein the main body section includes a slot and each arm includes a plurality of mounting apertures; and a brace member, wherein a middle section of the brace member is configured to be received within the slot of the bracket member and opposing end sections of the brace member contact a respective arm of the bracket member. Remote radio unit mounting assemblies are also described herein.