We are planning a massive datacenter upgrade and need about 500 units. Do you offer bulk pricing or project-based discounts?

Yes, we provide tiered volume pricing tailored for B2B procurement. For an order of 500 units, you'll receive a significant discount off the standard retail price. Please reach out to our sales team with your project details for a custom quote.

This standard model is 0-70°C. Do you have an industrial-grade equivalent that can survive harsh winter conditions in outdoor cabinets?

Yes, we offer the industrial counterpart (LS-SC55311G-03I) which supports an extended operating temperature range of -40°C to 85°C, making it perfect for extreme weather environments, remote cell towers, and rugged outdoor edge deployments.

Will this 1G BiDi SFP work with my mixed environment of Cisco and HP switches without triggering "unsupported transceiver" errors?

Absolutely. These modules are strictly coded for extensive OEM compatibility. They’ve passed rigorous interoperability testing across major brands like Cisco, HP, and Juniper, functioning seamlessly as native plug-and-play optics without any vendor lock-in warnings.

Does this transceiver comply with MSA standards and RoHS regulations? We have strict compliance rules for our public sector projects.

Yes, it is fully compliant with the SFP Multi-Source Agreement (MSA), IEEE 802.3z gigabit standards, and RoHS regulations. It’s manufactured to meet stringent global quality and compliance requirements for both enterprise and public sector use.

Breadcrumb: Home; Products; Optic Transceivers | SFP Modules; 1/2/4G Transceiver Modules; 1G BiDi SFP; 202196

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LINK-PP LS-SC55311G-03C 1G SFP BiDi 1550nm-TX/1310nm-RX 3km Simplex SC DOM SMF Optical Transceiver Module

Name: LINK-PP LS-SC55311G-03C 1G SFP BiDi 1550nm-TX/1310nm-RX 3km Simplex SC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 202196
Price: 8.17 USD
Availability: InStock
Rating: 5 (20 reviews)

Product: LINK-PP LS-SC55311G-03C 1G SFP BiDi 1550nm-TX/1310nm-RX 3km Simplex SC DOM SMF Optical Transceiver Module
SKU: 202196
P/N: LS-SC55311G-03C
Price: $ 9.5
Stock: 220 in Stock
Sold: 1.8K
Product URL: https://www.l-p.com/products/491675.htm

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

20 Reviews

4 Questions

1.8K Sold

$ 9.5

Free shipping. For wholesale pricing, please contact us directly.

Qty (pcs) :

Unit Price :

$ 9.5

100

$ 9.025

1000

$ 8.74

3000

$ 8.455

6000

$ 8.17

Manufacture: LINK-PP P/N: LS-SC55311G-03C SKU: 202196

Compatible:: LINK-PP

Compatible P/N:: LS-SC31551G-03C | 3km; LS-SC31551G-03I | 3km; LS-SC55311G-03C | 3km; LS-SC55311G-03I | 3km; LS-SC31491G-10C | 10km; LS-SC31551G-10C | 10km; LS-SC31551G-10I | 10km; LS-SC49311G-10C | 10km; LS-SC55311G-10C | 10km; LS-SC55311G-10I | 10km; LS-SC31491G-20C | 20km; LS-SC31551G-20C | 20km; LS-SC31551G-20I | 20km; LS-SC49311G-20C | 20km; LS-SC55311G-20C | 20km; LS-SC55311G-20I | 20km; LS-SC31551G-40C | 40km; LS-SC31551G-40I | 40km; LS-SC55311G-40C | 40km; LS-SC55311G-40I | 40km

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to United States via FedEx

Estimated delivery time : 3 - 10 days.

5-Year Warranty 30-Day Returns 30-Day Exchange

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LINK-PP LS-SC55311G-03C 1G BiDi SFP Specifications

The LINK-PP LS-SC55311G-03C is a high-performance 1G BiDi transceiver engineered for efficient optical networking. Utilizing advanced WDM technology, this commercial temperature grade module ensures reliable data transfer over single-mode fiber infrastructure. Its comprehensive specification profile makes it the ultimate hardware solution for upgrading telecommunication links and modern enterprise Ethernet environments.

LINK-PP Part Number	LS-SC55311G-03C	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	1.25Gbps
Wavelength	1550nm-TX/1310nm-RX	Max Cable Distance	3km
Connector	Simplex SC	Media	SMF
Transmitter Type	FP	Receiver Type	PIN
TX Power	-9 to 0dBm	RX Power	-23 to -1dBm
Receiver Sensitivity	-23dBm	Receiver Overload	-3dBm
DOM Support	Yes	Operating Temperature Range	0 to 70°C

Key Features of LINK-PP LS-SC55311G-03C 1G BiDi SFP

Discover the exceptional capabilities of this hot-pluggable gigabit ethernet solution. Designed to optimize WDM networking efficiency, the transceiver offers a cost-effective method to double your existing fiber capacity. It seamlessly combines low power consumption with outstanding durability for high-density networking environments.

LINK-PP LS-SC55311G-03C 1G BiDi SFP Optical Module

This premium optical transceiver utilizes single fiber bidirectional transmission to maximize bandwidth. Engineered for universal network switch integration, it delivers stable gigabit connectivity while dramatically reducing optical cabling costs for modern data center deployments.

LS-SC55311G-03C: 1G Connectivity for Voice over IP (VoIP) Systems

Guaranteeing crystal-clear voice quality, this module provides low latency bandwidth essential for enterprise VoIP communications. It establishes stable telecom links to support seamless SIP trunking and unified communication platforms without disruptive signal packet loss.

LS-SC55311G-03C Module with 1550nm-TX and 1310nm-RX Wavelength

Equipped with a reliable 1550nm FP laser and a highly sensitive 1310nm PIN detector, it excels in optical multiplexing. This specific wavelength configuration enables simultaneous bidirectional data traffic over a single optical strand flawlessly.

LS-SC55311G-03C Module Supporting 3km Transmission

Tailored for 3km short-haul applications, this device optimizes SMF distance capabilities effortlessly. It provides sufficient optical reach to interconnect campus network facilities and regional FTTH access points without requiring expensive optical signal amplification equipment.

LS-SC55311G-03C Module with Simplex SC Interface

Featuring a standard simplex SC connector, this plug-and-play unit ensures secure physical mating. The robust square interface perfectly accommodates standard optical patch cords, offering incredibly low insertion loss for critical fiber to the home connections.

LS-SC55311G-03C Module with DOM for Real-Time Monitoring

Integrated with Digital Optical Monitoring, this intelligent module provides comprehensive DOM functionality. Network engineers can instantly access critical optical power diagnostics, voltage, and temperature metrics to proactively manage transceiver health and prevent unexpected system downtime.

LINK-PP LS-SC55311G-03C 1G SFP Certification

Demonstrating strict regulatory compliance, this component meets global telecom safety standards. Our extensive validation process guarantees supreme manufacturing reliability for demanding enterprise networking environments.

LS-SC55311G-03C Quality Testing Program

Every unit undergoes rigorous factory testing and optical inspection before shipment. This strict quality assurance protocol guarantees defect-free components that maintain consistent signal integrity continuously.

LS-SC55311G-03C Quality Certifications

Backed by official CE FCC UKCA approvals, it strictly adheres to UL safety requirements. Furthermore, comprehensive RoHS REACH compliance ensures environmentally responsible and sustainable electronic manufacturing.

LS-SC55311G-03C Certified for Reliable Host-Device Compatibility

Programmed to be fully MSA compliant, the module ensures outstanding multi-vendor interoperability. It is rigorously tested to guarantee seamless switch compatibility with mainstream networking hardware brands.

Rigorous Testing Ensures Reliable SFP Performance

Our exhaustive performance validation procedures guarantee exceptional network reliability, delivering uncompromised signal transmission for industrial and commercial fiber deployments worldwide.

Rigorous Testing Ensures Reliable Transceiver Performance

Optical Spectrum Test

Analyzes central wavelength parameters to ensure precise laser precision and prevent signal crosstalk.

Eye Pattern Test

Evaluates crucial jitter margins to maintain perfect data transmission fidelity and signal clarity.

Bit Error Rate Test

Confirms ultra-low error rates under heavy traffic to guarantee continuous gigabit ethernet stability.

Temperature Test

Validates commercial grade thermal performance to ensure operating stability from zero to seventy degrees.

Product Shipping for LINK-PP LS-SC55311G-03C 1G SFP

We prioritize secure transit through specialized packaging techniques. Our efficient global distribution network ensures your optical components arrive safely for immediate deployment.

Anti-Static Protective Packaging

Sealed in ESD-safe materials to completely prevent hazardous electrostatic discharge damage.

Shock-Resistant Transport Protection

Cushioned inside custom foam trays to resist physical impact during transit.

Fast Order Processing and Dispatch

Streamlined warehouse efficiency guarantees rapid inventory dispatch for urgent networking projects.

Global Logistics and International Delivery

Partnering with top international couriers for reliable cross-border delivery services globally.

LINK-PP LS-SC55311G-03C 1G SFP Usage Demonstration

Experience the simplicity of hot-swappable installation within your existing infrastructure. This practical demonstration shows how to safely connect the simplex interface into compatible networking equipment, achieving an instant fiber optic setup without disrupting active operations.

LS-SC55311G-03C Technical Support

LINK-PP provides professional technical support, including pre-sales consultation, compatibility verification, and post-deployment troubleshooting to ensure smooth network operation.

Pre-Sales Technical Consultation

Professional technical guidance to help customers select the most suitable LS-SC55311G-03C modules based on network architecture and application requirements.

Compatibility Verification Support

Compatibility checks and validation to ensure seamless operation with Cisco switches and other supported networking platforms.

Deployment & Installation Assistance

Step-by-step support for installation, configuration, and initial deployment to ensure stable and correct operation.

Long-Term Technical Assurance

Ongoing technical support throughout the product lifecycle to ensure reliable performance in enterprise and carrier-grade networks.

LINK-PP LS-SC55311G-03C 1G SFP After-Sales Assurance

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

15-day no-reason return and refund

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

Free repair services for manufacturing defects throughout the warranty period

Warranty exclusions and conditions apply

Model Comparison Table

	Current Model LS-SC55311G-03C	LS-SC55311G-20C	LS-SC55311G-10C	LS-SC55311G-40C	LS-SC55311G-03I	LS-SC55311G-20I

Compatible	LINK-PP	LINK-PP	LINK-PP	LINK-PP	LINK-PP	LINK-PP
Data Rate (Max)	1.25Gbps	1.25Gbps	1.25Gbps	1.25Gbps	1.25Gbps	1.25Gbps
Wavelength	1550nm-TX/1310nm-RX	1550nm-TX/1310nm-RX	1550nm-TX/1310nm-RX	1550nm-TX/1310nm-RX	1550nm-TX/1310nm-RX	1550nm-TX/1310nm-RX
Connector	Simplex SC	Simplex SC	Simplex SC	Simplex SC	Simplex SC	Simplex SC
Cable Distance (Max)	3km	20km	10km	40km	3km	20km
Cable Type	SMF	SMF	SMF	SMF	SMF	SMF
TX Power	-9 to 0dBm	-9 to 0dBm	-9 to 0dBm	-9 to 0dBm	-9 to 0dBm	-9 to 0dBm
Receiver Sensitivity	-23dBm	-23dBm	-23dBm	-24dBm	-23dBm	-23dBm
Operating Temperature	0 to 70°C	0 to 70°C	0 to 70°C	0 to 70°C	-40 to 85°C	-40 to 85°C
Form Factor	SFP	SFP	SFP	SFP	SFP	SFP
Transmitter Type	FP	DFB	DFB	DFB	FP	DFB
Receiver Type	PIN	PIN	PIN	PIN	PIN	PIN
Receiver Overload	-3dBm	-3dBm	-3dBm	-3dBm	-3dBm	-3dBm
DOM Support	Yes	Yes	Yes	Yes	Yes	Yes

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Q: We are planning a massive datacenter upgrade and need about 500 units. Do you offer bulk pricing or project-based discounts? By B***n on 2026-07-21

A: Yes, we provide tiered volume pricing tailored for B2B procurement. For an order of 500 units, you'll receive a significant discount off the standard retail price. Please reach out to our sales team with your project details for a custom quote. By admin on 2026-07-21
Q: This standard model is 0-70°C. Do you have an industrial-grade equivalent that can survive harsh winter conditions in outdoor cabinets? By S***n on 2026-06-06

A: Yes, we offer the industrial counterpart (LS-SC55311G-03I) which supports an extended operating temperature range of -40°C to 85°C, making it perfect for extreme weather environments, remote cell towers, and rugged outdoor edge deployments. By admin on 2026-06-06
Q: Will this 1G BiDi SFP work with my mixed environment of Cisco and HP switches without triggering "unsupported transceiver" errors? By E***z on 2026-04-21

A: Absolutely. These modules are strictly coded for extensive OEM compatibility. They’ve passed rigorous interoperability testing across major brands like Cisco, HP, and Juniper, functioning seamlessly as native plug-and-play optics without any vendor lock-in warnings. By admin on 2026-04-21
Q: Does this transceiver comply with MSA standards and RoHS regulations? We have strict compliance rules for our public sector projects. By R***r on 2025-12-09

A: Yes, it is fully compliant with the SFP Multi-Source Agreement (MSA), IEEE 802.3z gigabit standards, and RoHS regulations. It’s manufactured to meet stringent global quality and compliance requirements for both enterprise and public sector use. By admin on 2025-12-09

Customer Reviews
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P***z

Finland

Verified Purchase

5 .0

2026-06-19

Used this 3km transceiver for connecting two office buildings. Reliable and stable link!

143 Helpful vote Comments

S***n

India

Verified Purchase

5 .0

2026-04-15

Perfect for our outdoor cabinet setups! Even though it's 0-70°C, it handles summer heat well. Simplex SC interface is robust. Great 1G fallback for remote nodes on our home 10G NAS.

115 Helpful vote Comments

C***s

France

Verified Purchase

5 .0

2026-02-20

Bulk ordered for client installs. Zero DOA rate so far. Will buy again!

130 Helpful vote Comments

J***s

Chile

Verified Purchase

5 .0

2026-02-06

Slipped right into my Ubiquiti gear. Simplex SC connection is snug and secure.

96 Helpful vote Comments

D***s

Bolivia

Verified Purchase

5 .0

2026-01-27

Solid 1G SMF link. No issues.

32 Helpful vote Comments

L***n

Costa Rica

Verified Purchase

5 .0

2026-01-18

We deployed 50 of these 1550nm-TX/1310nm-RX modules for a campus fiber network. Excellent OEM compatibility with our mixed Juniper and Arista core. DOM metrics stay solid under heavy loads!

28 Helpful vote Comments

M***s

Ukraine

Verified Purchase

5 .0

2025-12-13

DOM works perfectly on these.

130 Helpful vote Comments

L***s

Italy

Verified Purchase

5 .0

2025-12-06

Exactly what our datacenter needed.

89 Helpful vote Comments

P***s

Ecuador

Verified Purchase

5 .0

2025-10-24

Great OEM compatible optics! Replaced our failing Cisco units without any coding errors.

117 Helpful vote Comments

C***n

Czech Republic

Verified Purchase

5 .0

2025-10-20

Flawless 1550nm-TX optic module!

52 Helpful vote Comments

D***s

Finland

Verified Purchase

4 .0

2025-09-14

Delivery took a day longer than expected. SFP modules tested fine on Cisco switches.

16 Helpful vote Comments

W***s

Singapore

Verified Purchase

5 .0

2025-08-27

Awesome 1G BiDi SFP for the price. Works straight out of the box.

26 Helpful vote Comments

J***n

Italy

Verified Purchase

5 .0

2025-08-02

Good throughput for IP cameras.

141 Helpful vote Comments

L***z

Canada

Verified Purchase

5 .0

2025-08-01

Did a massive datacenter batch deployment last week. These 3km SMF transceivers saved us a ton on cabling since they use single fiber. Zero drops during our multi-brand switch compatibility test.

57 Helpful vote Comments

J***r

Dominican Republic

Verified Purchase

5 .0

2025-06-28

Works great on my Mikrotik switch!

176 Helpful vote Comments

M***n

United Kingdom

Verified Purchase

5 .0

2025-05-27

Easy setup, zero downtime.

151 Helpful vote Comments

A***z

Mexico

Verified Purchase

5 .0

2025-04-24

Sourced these for a rural base station backhaul upgrade. The built-in DOM feature is a lifesaver for remote troubleshooting. Outstanding RX sensitivity, link stays rock solid at 2.5km distance.

105 Helpful vote Comments

C***n

Austria

Verified Purchase

5 .0

2025-02-27

Perfect fit for our SC fiber runs.

179 Helpful vote Comments

L***s

Venezuela

Verified Purchase

5 .0

2025-02-27

Flawless performance on our edge routers. The 1310nm-RX receiver is highly sensitive.

175 Helpful vote Comments

E***n

Spain

Verified Purchase

5 .0

2024-12-22

Plug and play perfection.

148 Helpful vote Comments

Verified Purchase

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{"pid":491667,"minimum_ordered_quantity":1,"skulist":[{"pskuid":202188,"cid":752,"pid":491667,"sku":"202188","psvid1":282589,"psvid2":282590,"psvid3":0,"psvid4":0,"left_num":220,"price":"9.500","strike_price":"0.000","innercode":"","addtime":"2025-11-18 09:30:22","uptime":"2025-11-18 22:30:22","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"9.5","subtotal":9.5}]}
LINK-PP

LS-SC31491G-20C | 20km

LINK-PP LS-SC31491G-20C 1G SFP BiDi 1310nm-TX/1490nm-RX 20km Simplex SC DOM SMF Optical Transceiver Module

51 Reviews
|
790 Sold

$ 8.5 ~~$ 0.00~~

{"pid":489587,"minimum_ordered_quantity":1,"skulist":[{"pskuid":199260,"cid":752,"pid":489587,"sku":"199260","psvid1":280399,"psvid2":280400,"psvid3":0,"psvid4":0,"left_num":310,"price":"8.500","strike_price":"0.000","innercode":"","addtime":"2025-06-30 13:49:27","uptime":"2025-07-01 02:49:27","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"8.5","subtotal":8.5}]}
LINK-PP

LS-SC49311G-20C | 20km

LINK-PP LS-SC49311G-20C 1G SFP BiDi 1490nm-TX/1310nm-RX 20km Simplex SC DOM SMF Optical Transceiver Module

45 Reviews
|
920 Sold

$ 8.5 ~~$ 0.00~~

{"pid":489586,"minimum_ordered_quantity":1,"skulist":[{"pskuid":199259,"cid":752,"pid":489586,"sku":"199259","psvid1":280397,"psvid2":280398,"psvid3":0,"psvid4":0,"left_num":180,"price":"8.500","strike_price":"0.000","innercode":"","addtime":"2025-06-30 13:39:06","uptime":"2025-07-01 02:39:06","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"8.5","subtotal":8.5}]}
LINK-PP

LS-SC49311G-10C | 10km

LINK-PP LS-SC49311G-10C 1G SFP BiDi 1490nm-TX/1310nm-RX 10km Simplex SC DOM SMF Optical Transceiver Module

23 Reviews
|
710 Sold

$ 8.2 ~~$ 0.00~~

{"pid":493477,"minimum_ordered_quantity":1,"skulist":[{"pskuid":204037,"cid":752,"pid":493477,"sku":"204037","psvid1":286205,"psvid2":286206,"psvid3":0,"psvid4":0,"left_num":190,"price":"8.200","strike_price":"0.000","innercode":"","addtime":"2026-06-02 22:55:49","uptime":"2026-06-02 22:55:49","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"8.2","subtotal":8.2}]}
LINK-PP

LS-SC31491G-10C | 10km

LINK-PP LS-SC31491G-10C 1G SFP BiDi 1310nm-TX/1490nm-RX 10km Simplex LC DOM SMF Optical Transceiver Module

22 Reviews
|
710 Sold

$ 8.2 ~~$ 0.00~~

{"pid":493476,"minimum_ordered_quantity":1,"skulist":[{"pskuid":204036,"cid":752,"pid":493476,"sku":"204036","psvid1":286203,"psvid2":286204,"psvid3":0,"psvid4":0,"left_num":190,"price":"8.200","strike_price":"0.000","innercode":"","addtime":"2026-06-02 22:48:04","uptime":"2026-06-02 22:48:04","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"8.2","subtotal":8.2}]}
Ubiquiti

UACC-OM-SM-1G-S | 3km

Ubiquiti UACC-OM-SM-1G-S Compatible LINK-PP 1G SFP BiDi 1310nm-TX/1550nm-RX 3km Simplex LC DOM SMF Optical Transceiver Module

15 Reviews
|
1.9K Sold

$ 6.5 ~~$ 0.00~~

{"pid":496401,"minimum_ordered_quantity":1,"skulist":[{"pskuid":220167,"cid":752,"pid":496401,"sku":"220167","psvid1":319962,"psvid2":319963,"psvid3":0,"psvid4":0,"left_num":975,"price":"6.500","strike_price":"0.000","innercode":"","addtime":"2026-07-31 23:15:12","uptime":"2026-07-31 23:15:12","status":0}],"shippingLists":[{"id":"FedEx","name":"FedEx","logo":"res\/shipping\/FEDEX.jpg","price":"0","isfree":0,"total":"0","tax":"","datemin":"3","datemax":"10","unit_price":"6.5","subtotal":6.5}]}

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LINK-PP LS-SC55311G-03C 1G SFP BiDi 1550nm-TX/1310nm-RX 3km Simplex SC DOM SMF Optical Transceiver Module

Product summary

Product Details

LINK-PP LS-SC55311G-03C 1G BiDi SFP Specifications

Key Features of LINK-PP LS-SC55311G-03C 1G BiDi SFP

LINK-PP LS-SC55311G-03C 1G BiDi SFP Optical Module

LS-SC55311G-03C: 1G Connectivity for Voice over IP (VoIP) Systems

LS-SC55311G-03C Module with 1550nm-TX and 1310nm-RX Wavelength

LS-SC55311G-03C Module Supporting 3km Transmission

LS-SC55311G-03C Module with Simplex SC Interface

LS-SC55311G-03C Module with DOM for Real-Time Monitoring

LINK-PP LS-SC55311G-03C 1G SFP Certification

LS-SC55311G-03C Quality Testing Program

LS-SC55311G-03C Quality Certifications

LS-SC55311G-03C Certified for Reliable Host-Device Compatibility

Rigorous Testing Ensures Reliable SFP Performance

Optical Spectrum Test

Eye Pattern Test

Bit Error Rate Test

Temperature Test

Product Shipping for LINK-PP LS-SC55311G-03C 1G SFP

Anti-Static Protective Packaging

Shock-Resistant Transport Protection

Fast Order Processing and Dispatch

Global Logistics and International Delivery

LINK-PP LS-SC55311G-03C 1G SFP Usage Demonstration

LS-SC55311G-03C Technical Support

Pre-Sales Technical Consultation

Compatibility Verification Support

Deployment & Installation Assistance

Long-Term Technical Assurance

LINK-PP LS-SC55311G-03C 1G SFP After-Sales Assurance

Model Comparison Table

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LINK-PP LS-SC55311G-03C 1G SFP BiDi 1550nm-TX/1310nm-RX 3km Simplex SC DOM SMF Optical Transceiver Module

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