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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.

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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.

Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.

Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
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All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.

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Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.

RMA protocol keeps it smooth.
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Name: |
DWDM-SFP-4851= |
Description: | DWDM SFP 1548,51 nm SFP (100 GHz ITU grid) |
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GTIN: | 816678019301 ![]() |
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3 Year Extended Warranty


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Shipping as per your need
Same-day Shipping

Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.

Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.

International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines

Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.

Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.

Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
14-Day Money Back Guarantee
Free 14-Day Returns

Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.

Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.

Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement

Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.

Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.

RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN







DWDM-SFP-4851= Overview
DWDM-SFP-4851= is a high-performance SFP transceiver module engineered for DWDM applications. It supports a 1G data rate and features an LC connector design, making it ideal for long-range transmissions over single-mode fiber in environments such as data centers, enterprise networks, and telecom applications.
DWDM-SFP-4851= comes in a compact SFP form factor with standardized physical dimensions to ensure seamless integration into various network platforms. It supports protocols including Ethernet and Fibre Channel while delivering reliable performance under demanding operating conditions.
What is the price of DWDM-SFP-4851=?
Lowest price of DWDM-SFP-4851= is $ 0.00. Shop now discounts with bulk quotation for DWDM-SFP-4851=
Explore more options from Transceivers or Cisco products.
DWDM-SFP-4851= Specifications
Product Type | Transceiver |
Form Factor | SFP |
Data Rate | 1G |
Connector Type | LC |
Wavelength | 1550 nm |
Transmission Distance | Long-Range |
Fiber Type | Single-mode |
Max Distance | 80 km |
Supported Protocols | Ethernet, Fibre Channel |
Network Interface | Fiber |
Power Consumption | 1W |
Operating Temperature | 0 to 70°C |
Storage Temperature | -40 to 85°C |
Input Voltage | 3.3V |
Compatibility | Cisco, Juniper, Huawei, Arista |
Product Name | DWDM-SFP-4851= |
Height | 0.66 inches |
Width | 1.33 inches |
Depth | 4.4 inches |
Weight | 0.2 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.







Product Comparison Table
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Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
Form Factor | SFP | SFP | SFP | SFP | SFP+ |
Data Rate | 1G | 10G | 10G | 1G | 10G |
Connector Type | LC | LC | LC | LC | LC |
Wavelength | 1550 nm | 850 nm | 1310nm | 1310 nm | 1310 nm |
Transmission Distance | Long-Range | Short-Range | Long-Range | Long-Range | Long-Range |
Fiber Type | Single-mode | Multi-mode | Single-mode | Single-mode | Single-mode |
Max Distance | 80 km | 300 meters | 10 km | 10 km | 20 km |
Supported Protocols | Ethernet, Fibre Channel | Ethernet, Fiber Channel | Ethernet | Ethernet, Fibre Channel | Ethernet |
Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
Power Consumption | 1W | 1.2W | 3.5W | 1.5W | N/A |
Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
Compatibility | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista |
Product Name | DWDM-SFP-4851= | MA-SFP-10GB-SR-C | P18412-B21-C 10G SFP Long-Range Transceiver | 407-BBGN-C SFP Transceiver | EX-SFP-10GE20K32-C |
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