Free shipping over $600. For wholesale pricing, please contact us directly.
Need Help?
Chat live with us
Live Chat
Want to call?

+ 86-752-3386717

Language: English
  1. English
  2. Русский
  3. Português
  4. Español
  5. Nederlands
  6. Français
  7. Italiano
  8. Deutsch
  9. العربية
  10. Ελληνικά
  11. にほんご
  12. 한국어
  13. Tiếng Việt
  14. Indonesian
  15. Thai
Currency: USD
USD - US Dollar
EUR - Euro
GBP - British Pound
CAD - Canadian Dollar
AUD - Australian Dollar
JPY - Japanese Yen
SEK - Swedish Krona
NOK - Norwegian Krone
IDR - Indonesia Rupiahs
BRL - Brazilian Real
THB - Thailand Baht
  • Mind your business with a variety of trusted payment options.

  • Use order number or tracking number to check shipping status.

  • Get your quote fast and offer you more professional service.

  • Help manage your budget & expenditure better.

  • Meet us and know our mission, belief, service and more.

  • Find our locations and get connected with us closely.

  • Quality management, testing, compatibility and global compliance.

  • Download ISO, CE, FCC, UL, RoHS and REACH certificates by product line.

  • Lab tour, optical test bed, compatibility tool and test requests.

  • Find out the latest news and events around l-p.com

  • Deep dive into technical guides, industry standards, and SFP compatibility insights.

  • Detailed product benchmarks and side-by-side comparisons to help you choose the right module.

  • Explore real-world connectivity solutions for data centers, enterprises, and telecom networks.

  • Essential tips on choosing data rates, transmission distances, and connector types.

Language
  1. English
  2. Русский
  3. Português
  4. Español
  5. Français
  6. Italiano
  7. Deutsch
  8. العربية
  9. にほんご
  10. Tiếng Việt
  11. Indonesian
  12. Thai
Select Currency
USD - US Dollar
EUR - Euro
GBP - British Pound
CAD - Canadian Dollar
AUD - Australian Dollar
JPY - Japanese Yen
SEK - Swedish Krona
NOK - Norwegian Krone
IDR - Indonesia Rupiahs
BRL - Brazilian Real
THB - Thailand Baht
LINK-PP LS-BL332725-20E 25G SFP28 BiDi 1330nm-TX/1270nm-RX 20km Simplex LC/UPC DOM SMF Optical Transceiver Module
Click to open expanded view

LINK-PP LS-BL332725-20E 25G SFP28 BiDi 1330nm-TX/1270nm-RX 20km Simplex LC/UPC DOM SMF Optical Transceiver Module

Add to wish Compare

Product summary

Product
LINK-PP LS-BL332725-20E 25G SFP28 BiDi 1330nm-TX/1270nm-RX 20km Simplex LC/UPC DOM SMF Optical Transceiver Module
SKU
183656
P/N
LS-BL332725-20E
Price
$ 46.5
Stock
880 in Stock
Sold
220
For Order Over $1000 Get $15.00 Off , Code: Linkpp15
For Order Over $3000 Get $50.00 Off , Code: Linkpp50
For Order Over $5000 Get $100.00 Off , Code: Linkpp100
New Users: $10 Coupon for Orders , Code: linkpp2610
18 Reviews
5 Questions
220 Sold
Shipping:
Free Shipping
to United States via FedEx
Estimated delivery time : 3 - 10 days.
5-Year Warranty 30-Day Returns 30-Day Exchange
Warranty
  • Providing industry-leading 5-year warranty.
  • Read the table for details of all products' warranty.
Returns & Exchange
  • Refunds will be received about 5 business days after the receipt of returned items.
  • Items in stock for replacement can be shipped within 1 business day.
  • Read the full return policy for details.
Stock:
{{parseInt(detail_data.left_num) ? detail_data.left_num +' in Stock' :detail_data.zeroStockOrder==0?'Out of Stock':'Available'}} .
Quantity:
( Min. Order {{detail_data.prodInfo.minimum_ordered_quantity}} )
Total Price:
{{ detail_data.displayed_price.unit_prefix }} {{ detail_data.displayed_price.total }}
{{ detail_data.displayed_price.unit_prefix }} {{ detail_data.displayed_price.original_total_price }} ( {{ detail_data.displayed_price.rate_of_discount }}% OFF ) {{detail_data.displayed_price.ex_sell_type}}

LINK-PP LS-BL332725-20E 25G SFP28 Specifications

LS-BL332725-20E is a single-mode SFP28 BiDi optical transceiver module that delivers 25G data rates up to a 20km range via a simplex LC/UPC connector, utilizing 1330nm-TX/1270nm-RX wavelengths and integrated DOM diagnostics to ensure stable operation from -20°C to 85°C.

LINK-PP Part Number LS-BL332725-20E Vendor Name LINK-PP
Form Factor SFP28 Max Data Rate 25.78Gbps
Wavelength 1330nm-TX/1270nm-RX Max Cable Distance 20km
Connector Simplex LC Media SMF
Transmitter Type DFB Receiver Type

PIN

TX Power -1 to +7dBm RX Power -15 to +3dBm
Receiver Sensitivity <-14dBm Receiver Overload 2dBm
Operating Temperature Range -20 to 85°C Protocols eCPRI, SFF-8472, SFF-8432, SFF-8431

Key Features of LINK-PP LS-BL332725-20E 25G SFP28

LINK-PP LS-BL332725-20E is a 25G SFP28 BiDi optical transceiver that streamlines long-reach data transmission by sending and receiving data over a single fiber strand up to 20km. This single-mode module combines a DFB laser and PIN receiver with a simplex LC/UPC interface to optimize infrastructure efficiency. Additionally, integrated DOM capabilities provide continuous diagnostic tracking to ensure stable network operations across varied temperature ranges.

LINK-PP LS-BL332725-20E 25G SFP28 Optical Module

This module integrates a premium 1330nm DFB laser and a highly sensitive 1270nm PIN receiver to optimize optical signal integrity. The combination of these internal components guarantees reliable, low-latency data conversion. It delivers consistent optical power output while maintaining excellent receiver sensitivity.

LS-BL332725-20E: 25 Gbps Connectivity for Metro Edge Architectures

Providing a full 25Gbps data rate, this transceiver directly addresses the bandwidth demands of modern regional edge nodes. It allows network operators to easily scale upstream capacity without needing to upgrade existing switch hardware slots. This makes it an efficient choice for accelerating localized data distribution.

LS-BL332725-20E Module with 1330nm-TX/1270nm-RX Wavelength

By transmitting at 1330nm and receiving at 1270nm, the module utilizes bidirectional technology to split downstream and upstream traffic smoothly. This specific wavelength pair prevents signal crosstalk and permits clean, simultaneous two-way transport. It is highly optimized for standard single-mode fiber infrastructure.

LS-BL332725-20E Module Supporting 20km Transmission

Designed for mid-haul spans, this module comfortably covers link distances up to 20km without requiring inline optical amplification. Its strong power budget ensures that signal attenuation remains well within safe operational margins over long runs. This makes it highly dependable for bridging remote enterprise locations.

LS-BL332725-20E Module with Simplex LC/UPC Interface

Featuring a single-core simplex LC/UPC connector, this module cuts the required physical fiber cabling straight in half. By consolidating traffic onto one fiber strand, it helps operators save precious patch panel space and significantly reduces deployment expenses. The standardized UPC polish also ensures ultra-low insertion loss at the connection point.

LS-BL332725-20E Module with DOM for Real-Time Monitoring

Equipped with built-in Digital Optical Monitoring (DOM), the transceiver continuously tracks vital stats like temperature, supply voltage, and laser bias current. Network administrators can easily view these real-time metrics to spot potential faults before they cause actual system downtime. This integrated diagnostic tool greatly simplifies routine field maintenance.


LINK-PP LS-BL332725-20E 25G SFP28 Certification

LINK-PP LS-BL332725-20E SFP28 BiDi module is fully compliant with strict global standards, carrying official ISO 9001, CE, RoHS, and FCC credentials for guaranteed safety and craftsmanship.

Optical Transceivers Testing

Every single unit undergoes rigorous optical spectrum and hardware evaluations to ensure flawless field performance.

LS-BL332725-20E Quality Certifications

These regulatory approvals guarantee that the transceiver meets international manufacturing guidelines and safety requirements.

LS-BL332725-20E Certified for Reliable Host-Device Compatibility

Extensive interoperability checks guarantee that this module works seamlessly across a wide variety of mainstream networking platforms.


Rigorous Testing Ensures Reliable SFP28 Performance

Our comprehensive validation process guarantees maximum uptime for every module, and you can review our full measurement standards at the LINK-PP Test Support Center.

Optical

Optical Spectrum Test

Verify wavelength accuracy to prevent signal drift and crosstalk.

Optical

Eye Pattern Test

Evaluate transmitter waveform cleanliness to ensure optimal data clarity.

Optical

Bit Error Rate Test

Check transmission accuracy to guarantee zero packet loss over distance.

Optical

Temperature Test

Confirm reliable hardware operations under extreme hot and cold conditions.


Product Shipping for LINK-PP LS-BL332725-20E 25G SFP28

We secure every package carefully to ensure safe transit. Your orders are dispatched swiftly via reliable global freight networks.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

Shield delicate electronic components against harmful electrostatic discharge.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Safeguard the optical modules against physical drops and vibrations.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

Accelerate warehouse handling to minimize your network deployment delays.

Global Logistics and International Delivery

Global Logistics and International Delivery

Deliver orders worldwide through reliable international express couriers.

LINK-PP LS-BL332725-20E 25G SFP28 Usage Demonstration

To deploy, insert the LS-BL332725-20E transceiver directly into an active switch slot and secure the single-mode fiber line. This user-friendly setup enables seamless integration into bandwidth-heavy environments, such as telecom data centers, regional cloud networks, and remote cellular infrastructures that demand efficient, long-reach connectivity.

LS-BL332725-20E Technical Support

LINK-PP offers end-to-end technical support, from pre-sales consultation to post-deployment assistance, ensuring smooth integration and reliable network performance.

Pre-Sales Technical Consultation

Pre-Sales Technical Consultation

Professional guidance to help you select the optimal LS-BL332725-20E module for your network design and application needs.

Compatibility Verification Support

Compatibility Verification Support

Validated compatibility with LINK-PP switches and other mainstream networking platforms for seamless deployment.

Deployment & Installation Assistance

Deployment & Installation Assistance

Comprehensive step-by-step guidance for installation, configuration, and initial setup, ensuring accurate deployment and reliable, stable operation from the start.

Long-Term Technical Assurance

Long-Term Technical Assurance

Ongoing technical support throughout the product lifecycle, delivering long-term stability for enterprise and carrier-grade networks.

LINK-PP LS-BL332725-20E 25G SFP28 After-Sales Assurance

LINK-PP provides after-sales support for the smooth deployment and reliable operation of the optical modules.

15 days

15-day no-reason return and refund

Free maintenance or replacement

Free replacement for dead-on-arrival (DOA) or defective items within the initial period

Free maintenance

 Free repair services for manufacturing defects throughout the warranty period

Limitations

Warranty exclusions and conditions apply

Model Comparison Table

LINK-PP

Matching Products

Pictures ID# Description Price Stock Add to Cart

Questions & Answers

Ask a Question
No data

Customer Reviews

Write a Review
  • {{stardata.star}}

    {{comment.count}} reviews

  • 5 Stars
    {{comment.star5}}%
    4 Stars
    {{comment.star4}}%
    3 Stars
    {{comment.star3}}%
    2 Stars
    {{comment.star2}}%
    1 Star
    {{comment.star1}}%
No data
S***s
France
Verified Purchase
5 .0
2026-05-07
Upgraded our inter-facility link using these SFP28 25G BiDi modules across an 11-mile single-strand fiber connection. SFF-8472 digital diagnostic monitoring integrated seamlessly into our CLI, giving us accurate live metrics for laser bias, operating temperature, and optical power. The low thermal output (~1.3W) keeps our dense switch chassis cool under continuous high-throughput traffic. It is rare to find such reliable optical performance at this price point.
D***r
Ireland
Verified Purchase
5 .0
2026-04-01
Tested these BiDi SFP28 modules on our core enterprise aggregation switches. Link synced at 25 Gbps immediately. Temperature sits at a cool ~38°C in a climate-controlled room. Make sure you remember that this 1330nm-TX / 1270nm-RX unit requires the complementary 1270nm-TX / 1330nm-RX optic on the far end!
M***l
Australia
Verified Purchase
5 .0
2026-03-15
Packaging was simple but secure. Modules arrived in anti-static protection.
B***l
Bulgaria
Verified Purchase
5 .0
2026-02-09
Good balance between price and performance for bulk deployment.
R***s
United States
Verified Purchase
5 .0
2026-01-28
We used these 25G SFP28 transceivers for a metro fiber deployment spanning approximately 16–18km. Even at near maximum distance, the link margin remained stable with no packet drops. The simplex LC/UPC interface is extremely helpful in fiber-constrained scenarios.
J***y
United Kingdom
Verified Purchase
5 .0
2025-12-19
What impressed our NOC team most is the accurate factory calibration of the Digital Diagnostics Monitoring (DDM). During optical attenuation testing, high and low power warning traps triggered precisely at expected dBm thresholds via SNMP. Having precise live Rx/Tx readings allows us to catch fiber bending or splice degradation long before an actual link outage occurs. It is a well-engineered 25G BiDi optic that gives infrastructure teams complete visibility and peace of mind.
T***s
Morocco
Verified Purchase
5 .0
2025-11-08
Upgraded our metro ring links from 10G SFP+ BiDi to 25G SFP28 BiDi using the exact same fiber infrastructure. Didn't have to touch the fiber patch panels or splice closures. Instant 2.5x bandwidth boost without laying a single new foot of glass cable. Highly efficient upgrade!
K***a
Austria
Verified Purchase
5 .0
2025-10-12
Used in an 18km metro link, optical signal margin still looks healthy.
O***n
Canada
Verified Purchase
4 .0
2025-10-02
This 20km BiDi SFP28 module performs as expected with clean DDM stats over single-mode fiber. The courier delayed the final delivery by two days, but customer support was quick to send tracking updates.
E***t
Japan
Verified Purchase
5 .0
2025-09-22
We integrated these SFP28 BiDi modules into a 25G spine-leaf architecture. Latency remained minimal, and throughput tests confirmed full 25Gbps performance. No abnormal DOM alarms were detected during stress testing.
M***r
Hungary
Verified Purchase
5 .0
2025-08-21
We needed to upgrade our inter-building backbone to 25G, but leased fiber strand constraints meant dual-strand cabling wasn't an option. The LS-BL332725-20E (paired with the 1270nm-TX/1330nm-RX BiDi module) bridged our 14km link effortlessly over OS2 SMF. Tx power was well within specs, and Rx sensitivity showed plenty of optical budget headroom.
K***r
Canada
Verified Purchase
5 .0
2025-07-28
We use this BiDi SFP28 module for 25G aggregation links between racks. Stable throughput and no CRC errors.
E***h
Italy
Verified Purchase
5 .0
2025-07-09
Deployed these 25G BiDi optical transceivers in outdoor radio access sites to connect baseband units over single-mode fiber. The 1330nm DFB laser maintained exceptional wavelength stability even under ambient temperature shifts inside outdoor enclosures. The Simplex LC latch provided a tight, dust-resistant physical seal, and signal integrity remained pristine across our entire 17km span. For network engineers struggling with fiber exhaust at remote tower sites, these BiDi optics are an absolute game-changer.
S***s
Libyan Arab Jamahiriya
Verified Purchase
5 .0
2025-06-27
We deployed the LINK-PP LS-BL332725-20E across a 25G aggregation layer connecting multiple buildings over single-mode fiber. The BiDi design (1330nm TX / 1270nm RX) allowed us to halve fiber usage, which significantly reduced infrastructure costs. DOM/DDM readings remained stable under continuous traffic loads, and all modules maintained consistent optical output within expected thresholds.
A***l
Belgium
Verified Purchase
5 .0
2025-05-16
DOM diagnostics are accurate compared with our external testing tools.
R***s
Germany
Verified Purchase
5 .0
2025-04-12
For a telecom backhaul project, these modules were installed in outdoor cabinets connected via single-mode fiber. While not industrial grade, they handled moderate environmental variations well. Performance remained consistent under fluctuating temperatures.
G***s
Lithuania
Verified Purchase
5 .0
2025-03-31
I was skeptical about third-party optics transceivers, but these modules flashed flawlessly. Plugged into our 25G core switches, the CLI reports full DDM details including laser bias current, operating temperature, and optical power levels. No log spam, no interface flaps. Will be ordering another batch of 200 units next quarter.
L***r
Spain
Verified Purchase
4 .0
2025-03-22
Product quality is excellent, and the link came up instantly. However, international delivery got delayed at customs for two days for tax verification. Order early if you have a tight deployment deadline!
{{comments.user.name}}
{{comments.user.country}}
Verified Purchase
{{comments.rating}}.0
{{comments.date_added}}
{{comments.text}}
Showing {{comments.replies.length}} comment

{{reply_items.topic || reply_items.text}}By {{reply_items.author}}

Not yet rated . Be the first to Write a Review
|
{{ item.sold_num }} Sold

{{ item.displayed_price.unit_prefix }} {{ item.displayed_price.value || item.displayed_price.min }}

  • {{ detail_data.displayed_price.unit_prefix }}  {{ detail_data.displayed_price.value }}

    {{parseInt(detail_data.left_num) ? detail_data.left_num +' in Stock' :detail_data.zeroStockOrder==0?'Out of Stock':'Available'}}