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Reliable CWDM eSFP with stable GE performance.
CWDM-SFPGE-1491
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CWDM Optical Transceiver,eSFP,2.5G,Single-mode Module(1491nm...
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Name:
CWDM-SFPGE-1491
- Description:
- CWDM Optical Transceiver,eSFP,2.5G,Single-mode Module(1491nm,80km,LC)
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Huawei
- GTIN:
- 6920702795667
- Condition:
- Warranty:
- 3
- List Price:
$890.25
- Price:
$765.6214% off
Quantity:
1
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CWDM-SFPGE-1491 Overview
CWDM-SFPGE-1491 is a CWDM SFP transceiver designed to support 1G Ethernet communication over single-mode fiber networks. This module features an SFP form factor with LC duplex connectors and leverages coarse wavelength division multiplexing to operate at a 1491 nm wavelength, making it ideal for long-range applications in data centers, enterprise networks, and telecom environments.
CWDM-SFPGE-1491 offers a compact design with dimensions optimized for high-density deployments while ensuring reliable performance and compatibility with industry-standard protocols such as Ethernet and Fibre Channel. Its engineering meets the demanding requirements of modern optical networks, providing a versatile solution for seamless connectivity and network scalability.
CWDM-SFPGE-1491 price is $765.62, a 14% saving from the Huawei list price of $890.25. CWDM-SFPGE-1491 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CWDM-SFPGE-1491 for additional pricing. Browse the full Huawei Transceivers series or explore all Huawei products.
CWDM-SFPGE-1491 Specifications
- Power Consumption
- N/A
- Weight
- N/A
- Height
- N/A
- Depth
- N/A
- Width
- N/A
- Product Type
- Transceiver
- Connector Type
- LC
- Network Interface
- Fiber
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Supported Protocols
- Ethernet, Fibre Channel
- Compatibility
- Cisco, Juniper, Huawei, Arista
- Form Factor
- SFP
- Data Rate
- 1G
- Wavelength
- 1491 nm
- Max Distance
- N/A
- Input Voltage
- 3.3V / 5V
- Product Name
- CWDM-SFPGE-1491 SFP Transceiver
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| CWDM-SFPGE-1491 |  SFP-10G-AOC10M |  DWDM-SFPGE-1531-12 |  QSFP-40G-eSM4 |  DWDM-SFPGE-1530-33 | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | QSFP | SFP |
| Data Rate | 1G | 10G | 1G | 40G | 1G |
| Connector Type | LC | LC | LC | MPO | LC |
| Wavelength | 1491 nm | 850nm | 1531 nm | 850 nm | 1530 nm |
| Transmission Distance | Long-Range | Short-Range | Long-Range | Short-Range | Long-Range |
| Fiber Type | Single-mode | Multi-mode | Single-mode | Multi-mode | Single-mode |
| Max Distance | N/A | 10m | 80 km | 100 meters | 80 km |
| Supported Protocols | Ethernet, Fibre Channel | 10G Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Ethernet | Fiber | Fiber | Fiber |
| Power Consumption | N/A | N/A | 3.2W | 4.0W | 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 / 5V | 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 | CWDM-SFPGE-1491 SFP Transceiver | SFP-10G-AOC10M | DWDM-SFPGE-1531-12 | QSFP-40G-eSM4 | DWDM-SFPGE-1530-33 |
| Height | N/A | N/A | 0.65 inches | N/A | 0.55 inches |
| Width | N/A | N/A | 1.3 inches | N/A | 1.70 inches |
| Depth | N/A | N/A | 0.5 inches | N/A | 1.00 inches |
| Weight | N/A | N/A | 0.1 lbs | N/A | 0.10 lbs |
Reviews & Ratings
M
Matthew Scott
5
Consistent output over long distances.
J
James Wilcox
4
Easy deployment in access networks.
R
Robert Turner
5
Good wavelength stability.
S
Stephen Moore
5
Performs as specified.
O
Oliver Bennett
5
Dependable CWDM GE optic.
Questions & Answers
What is the CWDM-SFPGE-1491 optical transceiver?
The CWDM-SFPGE-1491 is a CWDM eSFP optical transceiver module supporting 2.5 Gbps over single-mode fiber at 1491 nm, designed for links up to 80 km with LC connectors.
What applications is the CWDM-SFPGE-1491 designed for?
This module is ideal for metro, access, and long-haul transport networks, CWDM systems, enterprise backbone links, and high-speed data center interconnects.
How far can the CWDM-SFPGE-1491 transmit data?
It supports a maximum unregenerated link distance of 80 km over single-mode fiber (SMF) with an optical budget suitable for long-haul CWDM deployments.
Which fiber type does the CWDM-SFPGE-1491 support?
The module is optimized for ITU-T G.652 single-mode fiber, delivering low-loss transmission over distances up to 80 km.
What connector type does the CWDM-SFPGE-1491 use?
It uses duplex LC connectors for reliable, low-insertion-loss connections in compact form factors.
What wavelength does the CWDM-SFPGE-1491 operate at?
The transceiver operates at a fixed 1491 nm CWDM wavelength, ensuring channel isolation and compatibility with CWDM MUX/DEMUX.
What data rate does the CWDM-SFPGE-1491 support?
It supports 2.5 Gbps (Gigabit Ethernet) data rates, fully compliant with SFP MSA and IEEE 802.3ah 1000BASE-BX specifications.
What form factor is the CWDM-SFPGE-1491?
This module is built in the industry-standard enhanced small form-factor pluggable (eSFP) package for space-constrained network environments.
Is the CWDM-SFPGE-1491 hot-pluggable?
Yes, it supports hot-plug capability, allowing insertion and removal without powering down the host device, minimizing downtime.
Which network devices is the CWDM-SFPGE-1491 compatible with?
It is interoperable with Cisco, Juniper, HP, Huawei, Dell, and other SFP-compliant switches and routers that accept third-party transceivers.
Does the CWDM-SFPGE-1491 support Digital Diagnostics Monitoring (DDM)?
Yes, it features Digital Diagnostics Monitoring (DDM) compliant with SFF-8472, providing real-time monitoring of optical power, temperature, and voltage.
What is the operating temperature range of the CWDM-SFPGE-1491?
The module operates between 0 °C and 70 °C (commercial) with an extended industrial option from –40 °C to 85 °C for harsh environments.
How does the CWDM-SFPGE-1491 improve network efficiency?
By enabling CWDM multiplexing, it multiplies channel capacity on a single fiber, reducing cabling costs and power consumption per wavelength.
What certifications does the CWDM-SFPGE-1491 carry?
It is CE, FCC, RoHS, and TUV certified, meeting global safety, electromagnetic compatibility, and environmental standards.
What is the power consumption of the CWDM-SFPGE-1491?
The module consumes less than 1 W in typical operation, making it energy-efficient for high-density deployments.
What warranty and support are offered for the CWDM-SFPGE-1491?
It comes with a 3-year manufacturer warranty, featuring lifetime technical support and advance replacement options.