Vitex, a leading provider of fiber optic solutions, today announced the launch of its LambdaTune™ 25G transceivers, available in LR 15km and ER 30km variants. These cutting-edge tunable modules are engineered to deliver flexibility, efficiency, and future-proof scalability for operators across Cable/MSO, 5G Wireless, Broadcast, and Satellite networks.
As networks face unprecedented demand from Distributed Access Architectures (DAA), 5G rollouts, and converged services, service providers require optics that combine performance with operational simplicity. The LambdaTune™ family addresses these challenges with self-tuning DWDM capability, extended reach, and reduced total cost of ownership (TCO).
Product Highlights
LambdaTune® 25G LR15 (VS-25015IWxS-AA)
- Tunable 8-channel C-band DWDM EML laser (100 GHz ITU-T spacing)
- Transmission distance: up to 15km over single-mode fiber
- APD limiting receiver for robust signal quality
- Self-tuning optics – no manual wavelength provisioning
- Duplex LC connector, hot-pluggable SFP28 form factor
- Power consumption: ≤2.3W
- Industrial operating temperature: -40°C to +85°C
- Applications:
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- DAA / Cable/MSO
- 5G Fronthaul
- PON Aggregation
- Broadcast Links
- Satellite Interconnects
LambdaTune™ 25G ER30 (VS-25030IWxS-AA)
- Extended transmission up to 30km on SMF, overcoming dispersion limits with built-in Electrical Dispersion Compensation (EDC).
- 8-channel tunable C-band DWDM EML laser with linear APD receiver for high sensitivity.
- Designed for carrier-grade 5G fronthaul/midhaul and satellite uplink/downlink aggregation.
- Low-power operation (≤2.5W) for remote cabinets and field-deployed equipment.
- Industrial temperature compliance (-40°C to +85°C) for harsh outdoor deployments.
- Fully compliant with Smart Tunable MSA for automated, predictable provisioning.
- Applications:
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- Metro DWDM transport and aggregation
- 5G fronthaul/midhaul (RRH ⇆ DU/BBU)
- Remote OLT
- Satellite Aggregation
- IP Video Backhaul
Why LambdaTune™ Matters
- Simplified Inventory Management - A single LambdaTune™ module can replace up to 8 fixed-wavelength DWDM transceivers, helping operators reduce spare stock, avoid costly truck rolls, and lower OPEX.
- Self-Tuning Optics - Traditional DWDM deployments require precise manual wavelength matching. LambdaTune™ modules self-tune automatically to the correct ITU channel, enabling faster, more predictable installations with less operational overhead.
- Extended Reach with Built-In EDC - While legacy 25G DWDM optics max out at 15km, Vitex’s ER 30km variant integrates EDC (Electrical Dispersion Compensation), delivering stable performance across longer metro and access links.
- Multi-Sector Applications - LambdaTune™ is built for convergence.
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- Cable/MSO: DAA, DOCSIS, Remote PHY/OLT
- Wireless/5G: Fronthaul & midhaul (RRH to DU/BBU)
- Broadcast: Reliable IP media transport
- Satellite: Efficient uplink/downlink aggregation
Explore Vitex's full fiber-optic product catalog.
“Service providers are under constant pressure to expand capacity while keeping operations simple and cost-effective. LambdaTune™ 25G transceivers bring flexibility, automation, and extended reach to access networks, giving operators a future-proof solution for Cable, 5G, Broadcast, and Satellite.” - Vitex
Technical & Compliance Highlights
- Data Rate: Up to 25.78Gbps NRZ
- Channel Plan: 8-channel tunable, ITU-T G.694.1 C-band, 100 GHz spacing
- Form Factor: SFP28, hot-pluggable
- Diagnostics: Digital Diagnostic Monitoring (DDM) per SFF-8472
- Compliance: CE, FCC, FDA Class 1, RoHS
- Operating Temperature: -40°C to +85°C (industrial grade)
About Vitex
Vitex is a trusted supplier of advanced optical transceivers, cabling, and solutions for data centers, telecom, and access networks. With a 20-year legacy of delivering innovation, Vitex helps service providers and enterprises scale networks, simplify operations, and reduce costs.
Frequently Asked Questions (FAQs)
Q: What is the difference between LambdaTune™ 25G LR15 and ER30?
A: The LR 15km is optimized for metro and access networks up to 15km with an APD limiting receiver, while the ER 30km includes built-in Electrical Dispersion Compensation (EDC) for reliable performance up to 30km.
Q: What applications are supported by these 25G DWDM modules?
A: Common use cases include 5G fronthaul and midhaul, satellite uplink/downlink, broadcast/media transport, remote OLT for PON scaling, digital repeaters, and enterprise access networks.
Q: What standards are these modules compliant with?
A: Both are compliant with ITU-T C-band DWDM (100 GHz spacing), SFF-8472, SFP28 MSA, and Smart Tunable MSA (Rev 2.0). They also meet RoHS and Class 1 Laser Safety standards.
Q: Do the LambdaTune™ modules support industrial temperature ranges?
A: Yes, both 15km and 30km variants operate across -40°C to +85°C, making them suitable for outdoor cabinets and harsh deployment environments.
Q: What power consumption can I expect?
A: The 15km LR typically consumes up to 2.3W, while the 30km ER with EDC consumes up to 2.5W. Both are designed for low-power, high-density environments.
Q: How many channels can I tune on these transceivers?
A: Each module supports 8 ITU-T DWDM channels (100 GHz spacing), with versions available for ITU channels 45–52 or 53–60.
Q: Can these modules interoperate with passive DWDM Mux/Demux filters?
A: Yes, both LR and ER modules are fully compatible with standard passive DWDM filters for cost-effective wavelength multiplexing.
Q: What are the key benefits for network operators?
A: Reduced SKUs, simplified operations, extended reach (15km/30km), and future-proof scalability for 5G, satellite, and metro transport.
Q: How do the LambdaTune™ modules achieve self-tuning?
A: They use Smart Tunable MSA-compliant self-tuning optics. The host network controller commands the ITU channel via I2C, and the module precisely tunes and locks without manual intervention.
