How much power does this module draw under heavy 25G data loads?

It is designed to be highly energy-efficient, drawing less than 1.5W of power. This keeps the total heat dissipation inside your network racks very low.

Is there any risk of wavelength crosstalk over the single-strand fiber link?

No, the 1330nm-TX/1270nm-RX wavelength separation is strictly isolated inside the optical assembly to prevent internal feedback or signal interference.

I bought this LS-BL332725-10E 155M SFP module. Can I plug the exact same model into both ends of the link?

No, you cannot. You must pair this module with its matching counterpart (1270nm-TX/1330nm-RX) on the other end to establish a link.

Can I run a physical loopback test on a single LS-BL332725-10E module to check port health?

No, because BiDi modules transmit and receive on completely different wavelengths (1330nm-TX / 1270nm-RX). A loopback cable on a single module will not establish a link.

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LINK-PP LS-BL332725-10E 25G SFP28 BiDi 1330nm-TX/1270nm-RX 10km Simplex LC/UPC DOM SMF Optical Transceiver Module

Name: LINK-PP LS-BL332725-10E 25G SFP28 BiDi 1330nm-TX/1270nm-RX 10km Simplex LC/UPC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 183655
Price: 35.26 USD
Availability: InStock
Rating: 4.9 (20 reviews)

Product: LINK-PP LS-BL332725-10E 25G SFP28 BiDi 1330nm-TX/1270nm-RX 10km Simplex LC/UPC DOM SMF Optical Transceiver Module
SKU: 183655
P/N: LS-BL332725-10E
Price: $ 41
Stock: 590 in Stock
Sold: 610
Product URL: https://www.l-p.com/products/478625.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

610 Sold

$ 41

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

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$ 37.72

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Manufacture: LINK-PP P/N: LS-BL332725-10E SKU: 183655

Compatible:: LINK-PP

Compatible P/N:: LS-BL273325-10C | 10km; LS-BL273325-10E | 10km; LS-BL273325-10I | 10km; LS-BL332725-10C | 10km; LS-BL332725-10E | 10km; LS-BL332725-10I | 10km; LS-BL273325-20C | 20km; LS-BL273325-20E | 20km; LS-BL273325-20I | 20km; LS-BL332725-20C | 20km; LS-BL332725-20E | 20km; LS-BL332725-20I | 20km; LS-BL273125-40C | 40km; LS-BL273125-40I | 40km; LS-BL312725-40C | 40km; LS-BL312725-40I | 40km; LS-BL293025-60C | 60km; LS-BL302925-60C | 60km

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Estimated delivery time : 3 - 10 days.

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LINK-PP LS-BL332725-10E 25G SFP28 Specifications

LS-BL332725-10E is a 25G SFP28 BiDi optical transceiver module that delivers reliable 10km single-mode fiber (SMF) connectivity utilizing 1330nm-TX/1270nm-RX wavelengths, fully rated for dependable operation across an extended -20 to 85°C temperature range.

LINK-PP Part Number	LS-BL332725-10E	Vendor Name	LINK-PP
Form Factor	SFP28	Max Data Rate	25.78Gbps
Wavelength	1330nm-TX/1270nm-RX	Max Cable Distance	10km
Connector	Simplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	PIN
TX Power	-3 to +5dBm	RX Power	-14 to +3dBm
Receiver Sensitivity	＜-13dBm	Receiver Overload	2dBm
Operating Temperature Range	-20 to 85°C	Protocols	MSA Compliant, CPRI, eCPRI

Key Features of LINK-PP LS-BL332725-10E 25G SFP28

LINK-PP LS-BL332725-10E is a 25G SFP28 BiDi optical transceiver module that optimizes single-mode fiber infrastructure for long-distance data transmission. It combines single-strand fiber efficiency with real-time digital monitoring to ensure stable network links. This reliable transceiver serves as an ideal solution for modern high-speed enterprise and telecom architectures.

LINK-PP LS-BL332725-10E 25G SFP28 Optical Module

This module integrates a highly efficient 1330nm DFB laser and a sensitive 1270nm PIN receiver to process data signals. The advanced laser and receiver pairing guarantees exceptional signal clarity across single-mode fiber links. It is engineered to maintain strong, error-free transmission in demanding data center environments.

LS-BL332725-10E: 25 Gbps Connectivity for Fiber-Constrained Links

This transceiver provides a significant speed upgrade by delivering clean 25Gbps data throughput over a single fiber strand. It helps operators maximize their existing fiber infrastructure without the high cost of laying new cables. The enhanced bandwidth effortlessly supports the heavy traffic demands of modern networks.

LS-BL332725-10E Module with 1330nm-TX/1270nm-RX Wavelength

The module utilizes a BiDi design operating on 1330nm transmit (TX) and 1270nm receive (RX) center wavelengths. This specific wavelength separation allows simultaneous, bi-directional data flow over just one physical fiber strand. It effectively doubles the capacity of your cabling system by eliminating the need for separate transmit and receive fibers.

LS-BL332725-10E Module Supporting 10km Transmission

Designed for mid-range reach, this transceiver supports reliable data links over distances up to 10km. It is perfectly optimized for single-mode fiber (SMF) setups, maintaining excellent link integrity without signal degradation over the full distance. This makes it a great choice for campus networks and metropolitan access links.

LS-BL332725-10E Module with Simplex LC/UPC Interface

Featuring a compact simplex LC/UPC connector, this module ensures a secure and clean physical fiber connection. The polished UPC interface minimizes optical return loss to protect signal quality at the connection point. Its single-port design simplifies cable management and saves valuable panel space in dense network switches.

LS-BL332725-10E Module with DOM for Real-Time Monitoring

Equipped with Digital Optical Monitoring (DOM) capabilities, the module allows network administrators to track vital parameters in real time. Users can easily monitor internal temperature, supply voltage, laser bias current, and optical power levels. This proactive diagnostic feature helps quickly identify and solve potential link issues before they cause network downtime.

LINK-PP LS-BL332725-10E 25G SFP28 Certification

The LINK-PP LS-BL332725-10E SFP28 BiDi module complies with recognized international standards, including ISO 9001, CE, RoHS, and FCC, to ensure safety and quality.

LS-BL332725-10E Quality Testing Program

Every module undergoes rigorous factory testing for signal integrity and optical performance before shipment.

LS-BL332725-10E Quality Certifications

These industry credentials verify that the transceiver meets strict environmental and manufacturing regulations.

LS-BL332725-10E Certified for Reliable Host-Device Compatibility

The module is fully tested and certified to work seamlessly across a wide range of standard network switches and routers.

Rigorous Testing Ensures Reliable SFP28 Performance

Our manufacturing process involves comprehensive validation stages to secure long-term hardware dependability and network uptime. Discover our full evaluation methodology at the LINK-PP Test Support Center.

Rigorous Testing Ensures Reliable Transceiver Performance

Optical Spectrum Test

Confirm central wavelength accuracy alongside precise side-mode suppression ratios.

Eye Pattern Test

Evaluate electrical-to-optical signal conversion efficiency for cleaner waveforms.

Bit Error Rate Test

Check payload integrity across continuous data streams over maximum distances.

Temperature Test

Examine internal component stability during severe thermal environmental cycles.

Product Shipping for LINK-PP LS-BL332725-10E 25G SFP28

We provide safe and efficient delivery solutions for all optical transceiver orders. Secure worldwide shipping guarantees your hardware arrives on time.

Anti-Static Protective Packaging

Prevent static electricity buildup to shield sensitive optical components.

Shock-Resistant Transport Protection

Safeguard optical components against physical impacts during handling.

Fast Order Processing and Dispatch

Accelerate warehouse fulfillment times to ensure quick product shipment.

Global Logistics and International Delivery

Ship merchandise worldwide utilizing trusted international freight carrier networks.

LINK-PP LS-BL332725-10E 25G SFP28 Usage Demonstration

Deploying the LS-BL332725-10E 25G SFP28 BiDi optical transceiver requires simply sliding it into a compatible optical port and connecting a simplex LC/UPC patch cable. It efficiently doubles network bandwidth, supporting critical applications in harsh-environment industrial computing, campus backbone scaling, and modern cloud infrastructure networks.

LS-BL332725-10E 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

Professional guidance to help you select the optimal LS-BL332725-10E module for your network design and application needs.

Compatibility Verification Support

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

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

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

LINK-PP LS-BL332725-10E 25G SFP28 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-BL332725-10E	LS-BL332725-20E	LS-BL302925-60C	LS-BL312725-40I	LS-BL332725-10I	LS-BL332725-10C

Compatible	LINK-PP	LINK-PP	LINK-PP	LINK-PP	LINK-PP	LINK-PP
Data Rate (Max)	25.78Gbps	25.78Gbps	25.78Gbps	25.78Gbps	25.78Gbps	25.78Gbps
Wavelength	1330nm-TX/1270nm-RX	1330nm-TX/1270nm-RX	1309nm-TX/1295nm-RX	1310nm-TX/1270nm-RX	1330nm-TX/1270nm-RX	1330nm-TX/1270nm-RX
Connector	Simplex LC	Simplex LC	Simplex LC	Simplex LC	Simplex LC	Simplex LC
Cable Distance (Max)	10km	20km	60km	40km	10km	10km
Cable Type	SMF	SMF	SMF	SMF	SMF	SMF
TX Power	-3 to +5dBm	-1 to +7dBm	0 to +6dBm	-1 to +7dBm	-3 to +5dBm	-3 to +5dBm
Receiver Sensitivity	＜-13dBm	＜-14dBm	-21 to -4dBm	＜-19dBm	＜-13dBm	＜-13dBm
Operating Temperature	-20 to 85°C	-20 to 85°C	0 to 70°C	-40 to 85°C	-40 to 85°C	0 to 70°C
Form Factor	SFP28	SFP28	SFP28	SFP28	SFP28	SFP28
Transmitter Type	DFB	DFB	EML	DFB	DFB	DFB
Receiver Type	PIN	PIN	APD	APD	PIN	PIN
Receiver Overload	2dBm	2dBm		-7dBm	2dBm	2dBm
Protocols	MSA Compliant, CPRI, eCPRI	eCPRI, SFF-8472, SFF-8432, SFF-8431	MSA Compliant, CPRI, eCPRI	MSA Compliant, CPRI, eCPRI	SFF-8472, SFF-8402, SFF-8432, SFF-8431, CEI-28G-VSR	MSA Compliant, CPRI, eCPRI

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Questions & Answers
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Q: How much power does this module draw under heavy 25G data loads? By G***s on 2026-02-23

A: It is designed to be highly energy-efficient, drawing less than 1.5W of power. This keeps the total heat dissipation inside your network racks very low. By admin on 2026-02-24
Q: Is there any risk of wavelength crosstalk over the single-strand fiber link? By J***s on 2025-10-29

A: No, the 1330nm-TX/1270nm-RX wavelength separation is strictly isolated inside the optical assembly to prevent internal feedback or signal interference. By admin on 2025-10-30
Q: I bought this LS-BL332725-10E 155M SFP module. Can I plug the exact same model into both ends of the link? By C***y on 2025-06-18

A: No, you cannot. You must pair this module with its matching counterpart (1270nm-TX/1330nm-RX) on the other end to establish a link. By admin on 2025-06-19
Q: Can I run a physical loopback test on a single LS-BL332725-10E module to check port health? By M***p on 2025-04-09

A: No, because BiDi modules transmit and receive on completely different wavelengths (1330nm-TX / 1270nm-RX). A loopback cable on a single module will not establish a link. By admin on 2025-04-10

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L***t

Brazil

Verified Purchase

5 .0

2026-05-02

Very happy with the built-in DDM diagnostic interface. It simplifies remote troubleshooting significantly because we can read laser temperature, supply voltage, and Tx/Rx optical power directly from our centralized monitoring dashboard. Saves truck rolls!

103 Helpful vote Comments

I***r

Australia

Verified Purchase

5 .0

2026-04-22

The pull tabs are tough and easy to grab in packed patch panels.

56 Helpful vote Comments

J***r

Belgium

Verified Purchase

5 .0

2026-03-31

We spec'd the LS-BL332725-10E for a regional government office network upgrade. The simplex LC/UPC connectors clicked securely into place. The transceiver optical budget is generous, maintaining clean Rx power margins even through two internal patch panels.

127 Helpful vote Comments

E***d

Brunei Darussalam

Verified Purchase

5 .0

2026-02-19

Running these in our outdoor node boxes at -10°C, absolutely zero issues so far!

51 Helpful vote Comments

L***k

Germany

Verified Purchase

5 .0

2026-02-03

We tested a batch of these 25G SFP28 BiDi modules for our multi-tenant data center interconnects. Operating over single-mode fiber with a simplex LC/UPC interface, the 1330nm-TX and 1270nm-RX separation worked perfectly. The integrated DOM telemetry provided highly stable optical power readouts matching our bench meters. The signal remained clean with zero frame loss across our 9km fiber test path. For scaling high-density enterprise infrastructure on a budget, this transceiver is an incredibly reliable option.

92 Helpful vote Comments

S***h

Austria

Verified Purchase

5 .0

2026-01-29

Deployed a dozen of these LS-BL332725-10E SFP28 optical modules for our campus multi-building distribution layer. The 1330nm-TX and 1270nm-RX single-strand fiber configuration allowed us to double our backbone capacity without pulling new glass through old conduits. Perfect for immediate bandwidth expansions!

95 Helpful vote Comments

E***t

Canada

Verified Purchase

5 .0

2025-12-17

Solid 25Gbps performance over our 7.5km single-mode fiber links. No signal degradation or random link drops observed during heavy high-performance computing backup sync operations. Fits snug into standard SFP28 ports without loose rattling.

63 Helpful vote Comments

C***n

Finland

Verified Purchase

4 .0

2025-12-16

The transceivers perform flawlessly at 25G speeds over our 8km link, but a massive snowstorm in the midwest delayed the carrier by three days. A bit frustrating when you are on a tight deployment schedule, but the hardware itself is excellent once it finally arrived.

20 Helpful vote Comments

O***t

Bulgaria

Verified Purchase

5 .0

2025-10-09

Great build quality. The pull-tab mechanism feels durable and doesn't snap off like cheap generic alternatives do. Important for field technicians who frequently re-patch or audit rack spaces. Will keep buying this model for our future 25G access ring builds.

71 Helpful vote Comments

A***n

Denmark

Verified Purchase

5 .0

2025-09-29

We deployed these SFP28 BiDi optical modules to upgrade our campus network distribution layer from legacy speeds. Pairing this 1330nm-TX module with the matching 1270nm-TX partner allowed us to double capacity on existing single-strand fiber. Compatibility with our various distribution and access switches was immediate, with no port configuration errors. The optical power budget is generous, easily overcoming inline patch panel attenuation. This has become our go-to module for cost-effective 25G infrastructure upgrades.

137 Helpful vote Comments

N***y

Bulgaria

Verified Purchase

5 .0

2025-09-14

Doubled our fiber bandwidth overnight without laying down new cable. Heavy win!

74 Helpful vote Comments

J***t

Spain

Verified Purchase

5 .0

2025-08-19

Our outdoor roadside traffic monitoring nodes suffer from intense environmental shifts. The extended temperature range of -20°C to +85°C on these SFP28 transceivers was our main requirement. After three months of continuous summer heat peaking over 70°C inside the cabinets, they haven't failed once. Real-time DDM monitors confirm the internal laser temperatures and supply voltages remain perfectly stable. These are absolute lifesavers for rugged, unconditioned industrial field environments.

83 Helpful vote Comments

A***s

Austria

Verified Purchase

5 .0

2025-08-01

Amazing price-to-performance ratio for 25G SFP28 BiDi deployments. Will buy bulk next time!

115 Helpful vote Comments

O***t

Brunei Darussalam

Verified Purchase

5 .0

2025-07-31

Our outdoor aggregation cabinets get brutally hot in July, reaching over 55°C internal ambient. These extended temperature 25G SFP28 transceivers handle the heat gracefully without throttling or causing laser bias current spikes. Absolute lifesaver for metro-edge transport systems.

85 Helpful vote Comments

C***k

Argentina

Verified Purchase

5 .0

2025-07-13

Excellent 25G optics for 5G front-haul base station backhaul architectures. The extended operating temperature range (-20°C to +85°C) gives us immense peace of mind in our unconditioned ground-level cabinets during harsh summers. Telco-grade reliability at a fraction of the cost.

149 Helpful vote Comments

V***y

Australia

Verified Purchase

5 .0

2025-06-10

If you are running short-to-medium range dark fiber networks up to 10km, this BiDi optic is the way to go. It completely mitigates the need for traditional dual-strand duplex patch cables. Cleaner cable management and less points of failure in dense patching environments.

98 Helpful vote Comments

N***r

Belgium

Verified Purchase

5 .0

2025-05-02

Passed our 48-hour continuous packet stress test without dropping a single frame.

94 Helpful vote Comments

E***l

Belarus

Verified Purchase

5 .0

2025-04-30

Using these BiDi SFP28 modules in our central office to aggregate incoming local distribution circuits. The 1330nm-TX/1270nm-RX wavelength separation provides excellent isolation, avoiding cross-talk or back-reflection issues. Very reliable choice for modern high-bandwidth transport layers.

108 Helpful vote Comments

L***n

France

Verified Purchase

4 .0

2025-03-22

Modules work perfectly on our core switches and DOM readouts are fully functional. Docking one star because local customs held up the shipment for inspection for 48 hours, causing us to miss our weekend maintenance window. Will still buy again due to the superb hardware value.

35 Helpful vote Comments

H***s

Argentina

Verified Purchase

5 .0

2025-03-05

DOM telemetry reads accurate levels across our 8km campus fiber ring. (^_^)

45 Helpful vote Comments

Verified Purchase

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870 Sold

$ 39 ~~$ 0.00~~

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LINK-PP

LS-BL273325-20I | 20km

LINK-PP LS-BL273325-20I 25G SFP28 BiDi 1270nm-TX/1330nm-RX 20km Simplex LC/UPC DOM SMF Optical Transceiver Module (Industrial)

33 Reviews
|
880 Sold

$ 37.8 ~~$ 0.00~~

{"pid":476187,"minimum_ordered_quantity":1,"skulist":[{"pskuid":181224,"cid":752,"pid":476187,"sku":"181224","psvid1":269070,"psvid2":269071,"psvid3":0,"psvid4":0,"left_num":1620,"price":"37.800","strike_price":"0.000","innercode":"","addtime":"2024-06-18 12:23:01","uptime":"2026-06-25 18:26:09","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":"37.8","subtotal":37.8}]}
LINK-PP

LS-BL273325-20C | 20km

LINK-PP LS-BL273325-20C 25G SFP28 BiDi 1270nm-TX/1330nm-RX 20km Simplex LC/UPC DDM SMF Optical Transceiver Module

33 Reviews
|
740 Sold

$ 36 ~~$ 0.00~~

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LINK-PP

LS-BL273325-20E | 20km

LINK-PP LS-BL273325-20E 25G SFP28 BiDi 1270nm-TX/1330nm-RX 20km Simplex LC/UPC DOM SMF Optical Transceiver Module

17 Reviews
|
850 Sold

$ 36 ~~$ 0.00~~

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LINK-PP

LS-MM8532E-S1C | 100m

LINK-PP LS-MM8532E-S1C 8G/16G/32G SFP28 850nm 100m Duplex LC DOM MMF Optical Transceiver Module

205 Sold

$ 138 ~~$ 0.00~~

{"pid":497276,"minimum_ordered_quantity":1,"skulist":[{"pskuid":223495,"cid":752,"pid":497276,"sku":"223495","psvid1":326606,"psvid2":326607,"psvid3":0,"psvid4":0,"left_num":95,"price":"138.000","strike_price":"0.000","innercode":"","addtime":"2026-08-16 23:40:30","uptime":"2026-08-16 23:40:30","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":"138","subtotal":138}]}
Generic

SFP-25GMCSR-85 | 300m

Generic SFP-25GMCSR-85 Compatible LINK-PP 10G/25G SFP28 850nm 300m DDMI Duplex LC MMF Optical Transceiver Module

3.5K Sold

$ 32 ~~$ 0.00~~

{"pid":497140,"minimum_ordered_quantity":1,"skulist":[{"pskuid":222760,"cid":752,"pid":497140,"sku":"222760","psvid1":325136,"psvid2":325137,"psvid3":0,"psvid4":0,"left_num":301,"price":"32.000","strike_price":"0.000","innercode":"","addtime":"2026-08-13 19:41:22","uptime":"2026-08-13 19:41:22","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":"32","subtotal":32}]}
NVIDIA/Mellanox

SFP-25GMCSR-85 | 300m

NVIDIA/Mellanox SFP-25GMCSR-85 Compatible LINK-PP 10G/25G SFP28 850nm 300m DDMI Duplex LC MMF Optical Transceiver Module

3.3K Sold

$ 32 ~~$ 0.00~~

{"pid":497139,"minimum_ordered_quantity":1,"skulist":[{"pskuid":222761,"cid":752,"pid":497139,"sku":"222761","psvid1":325138,"psvid2":325139,"psvid3":0,"psvid4":0,"left_num":245,"price":"32.000","strike_price":"0.000","innercode":"","addtime":"2026-08-13 19:41:24","uptime":"2026-08-13 19:41:24","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":"32","subtotal":32}]}
FS

SFP-25GMCSR-85 | 300m

FS SFP-25GMCSR-85 Compatible LINK-PP 10G/25G SFP28 850nm 300m DDMI Duplex LC MMF Optical Transceiver Module

4.6K Sold

$ 32 ~~$ 0.00~~

{"pid":497138,"minimum_ordered_quantity":1,"skulist":[{"pskuid":222759,"cid":752,"pid":497138,"sku":"222759","psvid1":325134,"psvid2":325135,"psvid3":0,"psvid4":0,"left_num":253,"price":"32.000","strike_price":"0.000","innercode":"","addtime":"2026-08-13 19:41:20","uptime":"2026-08-13 19:41:20","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":"32","subtotal":32}]}