The Huawei PON Transceiver, with model number HPSP2120SFP, is a high-performance and reliable optical transceiver designed for Passive Optical Network (PON) applications. Hot Sell Huawei GPON ONU HPSP2120 SFP Module, TX 1. This Small Form-Factor. 24/7 support when you need it. Quick, easy, and frustration-free claims. Details In stock Usually ships within 2 to 3 days. See more product details Help others learn more about this product by uploading a video! Would you like to tell us about a lower price? Found a. Shipping fee and delivery date to be negotiated. Chat with supplier now for more details. ngle-mode transceiver is a Class 1 laser product. The transceiver must be operated within the specified temperature and e transmitter section consists of a directly modulated uncooled 1310 nm DFB laser, driver and signal conditioner.