Optical transceiver assembly, optical module and optical communication equipment

The utility model provides an optical transmit-receive assembly, an optical module and optical communication equipment, which can realize multi-band transmit-receive and is applied to various PON (Passive Optical Network) systems. Comprising a wavelength division multiplexing device WDM, a reflection device, a first optical fiber insertion core, a second optical fiber insertion core, a first receiving assembly, a receiving and transmitting assembly and a shell; wherein the WDM, the reflecting device, the first optical fiber insertion core and the second optical fiber insertion core are arranged in the shell, the first optical fiber insertion core and the second optical fiber insertion core are arranged on two opposite surfaces of the shell, and light rays in the two optical fiber insertion cores are parallel; the first surface of the WDM is opposite to the output end of the first optical fiber insertion core and the reflection assembly, a first preset angle is formed between vertical lines of the WDM, the sec