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OEM SKU: DWDM-25G-S28-10I-TUN 

Tunable DWDM 25G SFP28 Module (Tx/Rx Channel 13-60/13-60, ITU Grid: C-Band 100 Ghz, 9.8-25.78 Gbps, Max. 10km over SMF, 18dB, Temp. -40 to 85C)

OEM SKU: 25G-SFP28-80I 

Double Fiber 25G SFP28 Module (Tx/Rx 1309.14/1309.14nm, 8.5 – 28.1 Gbps, Max. 80km over SMF with FEC, 33 dB, Temp. -40 to 85C, LC Connector)

OEM SKU: BIDI-25G-SFP28-10A 

Single Fiber 25G SFP28 Module (Tx/Rx 1270/1330nm, 8.5 – 28.1 Gbps, Max. 10km over SMF, 7 dB, Temp. 0-70C, LC Connector)