20km SFP+ BiDi WDM 10G BX20-D BX20-U. 60 km XFP BiDi (WDM) 10G, DDM, LC, (BX60-D, BX60-U), Cisco compatible. WDM / BiDi (one fiber). Tx:1270nm/Rx:1330nm Tx:1330nm/Rx:1270nm.Digital Output Monitoring (DDM, DOM, DDMi). Commercial: 0 to 70°C (32 to 158°F). Therefore, we sell and specify the price for a pair of modules (2 modules). If you need temperature range. Industrial: -40°C to +85°C (-40°F to 185°F). Please inquire to us before pay. Initially, modules have firmware compatible with Cisco. If you need modules are compatible with equipment from other brands: 3com, Alcatel, Allied, Arista, Aruba, AT, Avaya, Brocade, Cisco, Ciena, Dell, Extreme, Edge-Core, Finisar, Foundry, Fujitsu, H3C, HPE, HP Procurve, Huawei, Juniper, IBM, Intel, Linksys, Moxa, Netgear, Nortel, Planet, SMC, Tp-Link, Trendnet, ZyXEL, etc.. Programmer boards GBIC, SFP, SFP+, XFP, X2, XENPAK, QSFP. The item "60km XFP BiDi WDM 10G BX60-D/U 10GB 60 km transceiver Cisco" is in sale since Wednesday, December 13, 2017. This item is in the category "Computers/Tablets & Networking\Enterprise Networking, Servers\Switches & Hubs\Switch Modules". The seller is "dimiks-pte-ltd" and is located in Traverse City, Michigan. This item can be shipped worldwide.