... /ER/ZR Transceiver Module 3.300m to 8okm reach 4. Gpon onu,gpon olt We supply all kinds of optical transceivers from ... 155M to 40G, including SFP, GBIC, SFP+, XENPAK, X2 , XFP, BIDI,CWDM,DWDM and other special transceiver modules ... ~70 °C Application SONET/OC48 Cisco compatible OC48 SR SFP 1310nm 2km optical transceiver