---
type: product
schema_version: 1
stock_number: "58342-1"
canonical_url: "https://www.artisantg.com/TestMeasurement/58342-1/Keysight-Agilent-11891A-Lightwave-Coupler-MMF"
json_url: "https://www.artisantg.com/TestMeasurement/58342-1/Keysight-Agilent-11891A-Lightwave-Coupler-MMF.json"
generated_at: "2026-11-07T05:02:46.018Z"
last_updated: "2026-07-30T09:10:57.047-05:00"
---

# Keysight / Agilent / HP 11891A Lightwave Coupler MMF

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: HP
- Model: 11891A
- Condition: Used and in Excellent Condition
- Price: $895.00 USD
- Availability: In stock, 1 available
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 5 lb
- Shipping dimensions: 12X9X6 in

## Categories

- Test Equipment > Optical Test > Couplers (primary)

## Details

This Agilent / HP 11891A Lightwave Coupler MMF is used and in excellent condition.

### Specification

- Fiber Type: 50/125 um
- Minimum Wavelength: 820nm
- Maximum Wavelength: 1570nm
- Return Loss: 37db

This instrument includes the standard Agilent optical interface (View Photo). The Agilent 81000xI Series optical interface connectors are sold separately.  They are available for purchase from our website here: (Item #50516).

## Images

- <https://www.artisantg.com/itemimages/hp_11891a_view1.jpg>
