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Pre-Term Fiber Assemblies
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Pre-Term Fiber Assemblies
MTP Trunk Assemblies
MTP Fanout Cables
MTP Cassettes
Fiber Optic Enclosures
Fiber Optic Patch Cables
Ethernet Patch Cables
Ethernet Cable Bundles
Unterminated Fiber By The Foot
OWLTrek II OTDRs may be pocket-sized, but their 2.8” high-resolution color LCD display can show even the longest traces with ease. OWL has implemented state-of-the-art MEMS technology, which “flips” the high-resolution color LCD display between portrait and landscape mode automatically. In landscape mode, a wider viewing area means greater viewing detail. Automatic event location is an advanced feature normally found only in expensive, high-end OTDRs.
The OWLTrek II OTDR marks events on the trace, and has an event table showing the location, type, reflectance level, and loss of each event, and auto-zooms to the selected event. It includes separate dual-wavelength multimode and singlemode OTDRs.
OWLTrek II OTDRs are capable of finding breaks in singlemode and multimode optical fibers within +/- 6 feet, out to a maximum distance of 80 miles in singlemode and 12 miles in multimode. Additional splices and other loss-producing events will limit end distance estimates, which is true for all OTDRs. However, when you consider that most passive singlemode Telco links are almost always less than 12 miles long, and multimode links are less than 1.25 miles long, spending thousands of dollars more for a little bit of extra dynamic range that you will probably never use is not cost-effective.
KEY SPECIFICATIONS
MULTIMODE
- Output wavelengths: 850 and 1300nm
- Dynamic range: 27 dB (850nm) / 29 dB (1300nm)
- Event Dead Zone: 2 meters (typical)
- Attenuation Dead Zone: 7 meters (typical)
- User-selectable Pulse Width: 1, 2, 5, 10, 20, 50, 100, 200 meters
- Distance Range: 20 km
- OTDR port: SC/UPC or LC (if optional OPM is installed)
- VFL port: 2.5mm universal
SINGLEMODE
- Output wavelengths: 1310 and 1550nm
- Dynamic range: 28 dB (1310nm) / 27 dB (1550nm)
- Event Dead Zone: 2 meters (typical)
- Attenuation Dead Zone: 7 meters (typical)
- User-selectable Pulse Width: 1, 2, 5, 10, 20, 50, 100, 200, 500, 1000 meters
- Distance Range: 128 km
- OTDR port: SC/UPC or LC (if optional OPM is installed)
- VFL port: 2.5mm universal
Optical Power Meter Specifications (upgrade option - 'M' models only)
- Detector: InGaAs
- Connector: Duplex LC (one LC for OPM, other LC for OTDR)
- Fiber Type: Multimode/Singlemode
- Calibrated Wavelengths: 850, 980, 1300, 1310, 1490, 1550, 1625nm
- Accuracy: +/- 0.15 dB
- Resolution: 0.01 dB
- Measurement Units: dBm, dB
- Measurement Range: +5 to -50 dBm (typical; range varies with wavelength)
EACH UNIT INCLUDES:
- OWLTrek II Multimode OTDR (WTO2-M83)
- OWLTrek II Singlemode OTDR (WTO2-S35)
- Integrated Visual Fault Locator (VFL) port in each OTDR unit
- Hard-shell carrying case
- USB download cable
- Battery charger (US only)
- USB flash drive with OWLView trace software, USB driver, product manuals, and product videos
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Product Reviews (18)
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WHEELER ELECTRIC
Quick and thorough order completion - had exactly what we needed - right price and right on time!!!
GARG
First class product and service
Kathy E.
prompt service, quick shipping, all parts arrived in good condition
Bill Zantopulos
Very reliable supplier of products. #1 in my book!
Peter Ruiz
Awesome Service
Don’t Just Take Our Word For It
Feb 27, 2026
LANshack is the BEST!
Online ordering process was quick and easy. We are a non-profit organization and the LANshack team made the tax exemption process quick and easy. Fast shipping is especially appreciated! Thanks so much!
Non-Profit Customer
May 07, 2026
Products were available and ready to…
Products were available and ready to ship quickly. Products worked as they were supposed too.
Robert Butler
Feb 25, 2026
fast service and excellent product
fast service and excellent product
JC STRAND
Feb 17, 2026
LANshack: Best custom CAT8 ethernet cable on the market!
I needed a custom 55 foot S/FTP (Shielded Foiled Twisted Pair) CAT8 indoor ethernet cable for ethernet backhaul between two Eero mesh routers. I did tons of research (including Grok) and I came across LANshack.com. They have the thickest 23AWG wire in their custom CAT8 cable vs 26AWG on Amazon (lower number is thicker; 23AWG wire has roughly twice the cross-sectional area of 26AWG). Excellent price per foot, and this cable is thick! Very quick turnaround once you order from them. I am very pleased with LANshack and I will order from them again for future projects!
Daniel T.
Dec 09, 2025
Great team.
Open and clear lead times which they met or exceeded expectations. Quality product.
JC
Dec 30, 2025
Quick shipment
Quick shipment. custom quality cable!
Irwin Spector
Feb 10, 2026
Great products
Best RJ45 crimpers!
Dave
Mar 30, 2026
Product was as ordered and delivered in…
Product was as ordered and delivered in a timely manner. Worked perfectly. Will use again in the future.
Brian Rich
Apr 04, 2026
They do what they say
They do what they say. No BS
gavin714
Dec 23, 2025
The product was exactly as ordered
The product was exactly as ordered. The only criticism would be a real-time line on shipping and expected delivery.
D. L.
Apr 15, 2026
Great Customer Service and received the…
Great Customer Service and received the product faster than expected.
customer
May 30, 2026
Excellent Customer Service and Resolution
Tom personally reached out to me, took ownership of the situation, and worked to get my order resolved. He communicated with me directly, ensured the order was shipped, refunded the shipping charges, and provided a discount for the inconvenience.
What stands out most is the level of customer service and accountability shown throughout the process. It is refreshing to see a company stand behind its customers and make things right when an issue occurs.
I received my cable, the issue has been resolved, and I appreciate the effort Tom and his team put into correcting the situation. Based on how this was handled, I would not hesitate to do business with LANshack again.
Thank you, Tom, for your professionalism and commitment to customer service.
Lstargel
Jan 07, 2026
Great company great items
Great company great items
Joseph Leone
Apr 14, 2026
Great Custom Cables
Great product, exactly what I needed and fairly quick shipping considering they are custom cables! Will definitely be ordering more.
Matt S
Dec 23, 2025
Excellent company with great speed
Excellent company with great speed, accuracy of products provided and very easy to work with in my experience.
Cline Electric
Apr 02, 2026
Easily ordered exactly what I needed
Easily ordered exactly what I needed. Once I got a shipping label item was delivered quickly and was packaged nicely. Would order from here again.
customer
Apr 17, 2026
Great prices ++
Great prices, quality and delivery speed
thanks
george
George
May 05, 2026
Superior product/ Superior service
It was particularly useful to me that I was updated regularly about the status of my orders. The products that I purchased were superaltive in every way and exceeded my expectations...
Dr. Craig Smestad
Nov 25, 2025
Product was as advertised
Product was as advertised. Shipping was on timeJohn Olson
JO
Apr 08, 2026
everything worked as expected
everything worked as expected. Nice pull sock set up.
customer
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