High-Performance
Optical Networking
Premium fiber optic components engineered for data centers, 5G infrastructure, and global enterprise backbones. Carrier-grade quality at factory-direct pricing.
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Quick & reliable delivery
100% Tested
Every product verified
Wide Compatibility
Works with major brands
Expert Support
Certified Engineers
Product Categories
Comprehensive optical networking solutions for enterprise & data center
Optical Transceivers
SFP, SFP+, QSFP+, QSFP28, QSFP-DD modules supporting 1G to 800G rates.
- 100G QSFP28
- 400G QSFP-DD
- 10G SFP+
Fiber Patch Cables
Singlemode OS2 and Multimode OM3/OM4/OM5 cables with custom lengths.
- LC-LC Duplex
- Armored Patch Cables
- Ultra Low Loss
MTP/MPO Assemblies
High-density trunk cables and harness assemblies for data center backbones.
- MTP Trunks (8/12/24)
- MTP-LC Harnesses
- Conversion Cables
Tools & Test Equipment
Fiber cleaners, visual fault locators, power meters and splicing tools.
- Fiber Cleaning Kits
- Optical Power Meters
- Visual Fault Locators
Featured Products
Selected optical components that are frequently used in data center, telecom, and lab deployments.
Custom OS2 Single Mode Simplex Fiber Patch Cable
Custom OS2 single mode simplex fiber patch cable with LC, SC, FC, ST, and E2000 connector options. Available in UPC/APC polish, custom lengths, and hybrid connector configurations.
1550nm Single Window Single Mode 1x2 FBT Splitter
1550nm single window single mode 1×2 FBT splitter, also known as an FBT coupler, for low-loss optical power splitting with custom split/coupling ratios and connector options.
1550nm Single Mode 2x2 Filter Coupler
Shop Firsol’s 1550nm single mode 2x2 filter coupler for bidirectional transmission, with customizable ratios, SMF-28e fiber and connector options.
OS2 Single Mode 24 Fiber MTP®-24 To MTP®-24 Trunk Cable
OS2 Single Mode 24 Fiber MTP®-24 to MTP®-24 Trunk Cable delivers high-density fiber connectivity for data centers and telecom networks. Custom polarity, gender, and length options available.
1310nm Single Mode 3 Ports Optical Circulator
1310nm Single Mode 3 Ports Polarization Insensitive Optical Circulator with low insertion loss (≤0.8dB) and high isolation (≥40dB). Ideal for O-band fiber optic communication and signal routing.
Custom OS2 Single Mode Simplex Armored Fiber Patch Cable
Customize OS2 simplex armored fiber patch cables with LC, SC, FC, ST or E2000 connectors, UPC/APC polish, cable length, jacket, color and pulling eye.
Trusted by Industry Leaders
Compatible with all major networking platforms
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HPE
Huawei
Nokia
Extreme Networks
Fortinet
SpaceX
Corning
Fujikura
CommScope
Philips
Molex
TE ConnectivityCiscoJuniperAristaDellHPEHuaweiNokiaExtreme NetworksFortinetSpaceXCorningFujikuraCommScopePhilipsMolexTE ConnectivityCiscoJuniperAristaDellHPEHuaweiNokiaExtreme NetworksFortinetSpaceXCorningFujikuraCommScopePhilipsMolexTE ConnectivityBlog & News
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DFB 14-Pin Butterfly Laser Diodes: Working Principle, Key Specifications, and Selection Guide
DFB 14-pin butterfly laser diodes are compact semiconductor laser modules designed to provide stable, narrow-linewidth, single-frequency optical output. By combining a distributed feedback laser chip with temperature-control and monitoring components in a hermetically sealed package, these devices o
What Is an ONT? How an Optical Network Terminal Works in Fiber Networks
When fiber reaches a home, office, apartment building, or cell site, the optical cable does not normally connect directly to a laptop or an ordinary Ethernet router. A subscriber-side device must terminate the optical access link and present interfaces that local equipment can use. That device is co
What Is an Optical Circulator? Working Principle, Types, Applications, and Selection Guide
An optical circulator is a compact passive component that routes light from one fiber port to the next designated port while strongly suppressing undesired reverse transmission. In a commonly used three-port circulator, light entering Port 1 travels to Port 2, while light returning to Port 2 is dire
OS1 vs OS2 Fiber: What Is the Difference and Which Should You Choose?
OS1 and OS2 are both categories of single-mode fiber cabling commonly used in enterprise, campus, data center and telecommunications networks. They have similar nominal fiber dimensions and often use the same connectors, but they are not identical in performance.
Need a Custom Solution?
Our engineering team can help design custom cable assemblies and coded transceivers for your specific infrastructure needs.