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OPTICAL MODULES

Stop overpaying for OEM.
Switch to universal modules.

GBC Photonics optical modules work with Cisco, Juniper, Nokia, Dell and 50+ other vendors - at 40–60% lower cost. Individually programmed, tested, shipped from EU warehouse in 24h.
300K+
Modules deployed
98.7%
Uptime in enterprise networks
€50K+
Average annual savings per client
5 years
Warranty + advance replacement
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Module portfolio

Every form factor. Every speed.

One supplier for your entire optical module estate — from 1G access to 800G backbone.
ModuleSpeedDistanceFiberCompatible vendors
GBC SFP-SX1G550 mMMF OM4Cisco, Dell, TP-Link, Juniper, Fortinet
GBC SFP-LX1G10 kmSMF G.652All major vendors
GBC SFP-ZX1G80 kmSMF G.652Cisco, Juniper, Nokia
GBC SFP+SR10G300 mMMF OM3/OM4Cisco, Juniper, Fortinet, Dell, Nokia
GBC SFP+LR10G10 kmSMF G.652All major vendors
GBC SFP+ER10G40 kmSMF G.652Cisco, Juniper, Nokia
GBC SFP28-SR25G100 mMMF OM4Cisco, Juniper, Nokia, Arista
GBC SFP28-LR25G10 kmSMF G.652Cisco, Juniper, Nokia
ModuleSpeedDistanceFiberUse case
GBC QSFP+SR440G150 mMMF OM4Data center ToR, short reach
GBC QSFP+LR440G10 kmSMF G.652Campus aggregation
GBC QSFP28-SR4100G100 mMMF OM4Data center leaf-spine
GBC QSFP28-LR4100G10 kmSMF G.652Metro/campus backbone
GBC QSFP28-DR100G500 mSMF G.652Hyperscale data center
GBC QSFP28-ZR100G80 kmSMF G.652Metro DCI, coherent
ModuleSpeedStandardForm factorApplication
GBC QDD-400G-DR4400GIEEE 802.3bsQSFP-DDData center spine
GBC QDD-400G-FR4400GMSAQSFP-DDMetro, 2 km reach
GBC QDD-400G-ZR+400GOpenZR+ / OIF 400ZRQSFP-DDLong-haul backbone DCI
GBC OSFP-800G800GMSA OSFPOSFPHyperscale, AI/ML fabric
Coherent modules — for telecom operators and ISPs

These modules connect IP routers and switches directly to DWDM networks — no transponders needed. Compatible with OIF 400ZR and OpenZR+ standards. Individually programmed with SRD for any router or switch vendor environment.

ModuleSpeedStandardMax reachUse caseDeployed at
GBC QSFP28-100G-ZR100GOTU4 coherent80 km SMFMetro DCI, access aggregationOrange Polska (300 units)
GBC QSFP28-100G-0dBm100GCoherent DWDM O-Band30 km*Metro without amplifiersPublic health net (Trecom)
GBC QDD-400G-ZR400GOIF 400ZR1000+ kmLong-haul backbone, inter-DCHawe Telekom (tested)
GBC QDD-400G-ZR+400GOpenZR+ MSA1200+ kmBackbone DCI, carrier-gradeiPoDWDM deployments
GBC QDD-400G-0dBm400GOpenZR+ 0dBm O-Band30 km*Metro without amplifiersCost-optimised metro buildouts

* O-Band (1310 nm) — up to 30 km without optical amplifiers. Reduces 5-year TCO by up to 80% vs C-Band with amplification.

  • Plug directly into QSFP-DD port of any router or switch — no external transponder chassis
  • Up to 65% lower backbone investment vs. traditional transponder-based DWDM architectures
  • SRD programs wavelength on-site in minutes — no factory reconfiguration or vendor lock-in
  • Interoperability tested with 3 different manufacturers in Salumanus fiber lab
Compatibility

Works with your existing equipment

Every module is individually programmed with SRD and tested in the target vendor environment before shipment.
Proven enterprise deployments
300× QSFP28 100G coherent modules deployed in Orange Polska backbone network
Proven enterprise deployments
Hawe Telekom: 100G + 400G coherent testing — results exceeded all expectations
Proven enterprise deployments
Trecom + Salumanus: DWDM for public health institutions — 8× bandwidth, full redundancy
Proven enterprise deployments
Beskid Media: modern redundant backbone on 10G + 100G — zero downtime deployment
Why GBC Photonics

What sets our modules apart

SRD-programmed for your vendor
Each module is individually programmed and tested with Smart Recode Device before shipment. Not a generic module from a warehouse.
5-year warranty + advance replacement
Better than most OEM warranties. Advance hardware replacement included — next-business-day in EU. No sending back and waiting.
EU warehouse, 24h shipping
Stock held in EU for same-week delivery across Poland, DACH, Benelux, and Nordics. No customs delays, no VAT complications.
24/7 EU engineering support
Direct access to network engineers, not a helpdesk. 4-hour response time. Remote diagnostics via SRD — no site visit needed.
Common questions

FAQ

Does using a third-party module void my switch warranty?

No. EU regulations and manufacturers' own published guidelines confirm that network equipment warranty is not voided by using MSA-compliant third-party transceivers. GBC Photonics modules are fully MSA-compliant and ISO 9001:2015 certified.

How do you guarantee compatibility with my specific switch model?

Every module is programmed using SRD (Smart Recode Device) and tested in the target switch environment before it leaves our EU warehouse. You also receive a 30-day free trial with two-way shipping — zero risk.

What happens if a module fails in production?

Advance hardware replacement is included in the 5-year warranty. We ship a replacement before you return the faulty unit. EU engineering team responds within 4 hours, and remote diagnostics via SRD often resolve issues without swapping hardware at all.

Can I get a free test unit before committing?

Yes. We offer a 30-day free trial with two-way free shipping for qualified B2B customers. No commitment, no credit card. Fill in the form below and our engineer will contact you within 24 hours.

Common questions

Request a free test unit

30-day trial · Free shipping both ways · No commitment · Our engineer contacts you within 24 hours
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