Communication Specialties Fiberlink RA-1400A-1 DC Level Receiver 134183550465 not sure exactly what we

not sure exactly what we have here

Manufacturer Thorlabs Model Number LD3000 SKU 19-53683 Ref 23-78448

Manufacturer Watec Model Number WAT-902HS SKU 19-55026 Ref 23-77768

genuine Cisco optic

Communication Specialties Fiberlink RA-1400A-1 DC Level Receiver 134183550465 not sure exactly what weCondition Used Description This Receiver has been tested working onsite and is guaranteed. The Receiver has wear from previous use including scuffs and scratches. The wear is only physical and does not affect the functionality of the Receiver. Includes only the Receiver, No power supply or accessories. Quantity listing with reference photo, you may not receive the actual item pictured. Inventory is on hand and ready to ship. Please feel free to