| Brand | EXFO |
|---|
Check the listing for details. EXFO FTB-7400E SM CWDM OTDR Module Set For Exfo FTB-2 Pro. Condition: Used. Listed at 4999.95 USD. They each have good usable SC/APC ports and have been tested on all wavelengths. They all have the OTDR option permanently enabled. Exfo-7400E-CWCL - 1550/1570/1590/1610.