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.

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CWDM-SFPGE-1491

Name: CWDM Optical Transceiver,eSFP,2.5G,Single-mode Module(1491nm,80km,LC)
Brand: Huawei
SKU: CWDM-SFPGE-1491
Price: 765.62 USD
Availability: InStock
Rating: 4.3 (6 reviews)

Description:: CWDM Optical Transceiver,eSFP,2.5G,Single-mode Module(1491nm,80km,LC)
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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

Product Type: Transceiver
Form Factor: SFP
Data Rate: 1G
Connector Type: LC
Wavelength: 1491 nm
Transmission Distance: Long-Range
Fiber Type: Single-mode
Max Distance: N/A
Supported Protocols: Ethernet, Fibre Channel
Network Interface: Fiber
Power Consumption: N/A
Operating Temperature: 0 to 70°C
Storage Temperature: -40 to 85°C
Input Voltage: 3.3V / 5V
Compatibility: Cisco, Juniper, Huawei, Arista
Product Name: CWDM-SFPGE-1491 SFP Transceiver
Height: N/A
Width: N/A
Depth: N/A
Weight: N/A

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

Christopher Lane

Reliable CWDM eSFP with stable GE performance.

Matthew Scott

Consistent output over long distances.

James Wilcox

Easy deployment in access networks.

Robert Turner

Good wavelength stability.

Stephen Moore

Performs as specified.

Oliver Bennett

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.

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CWDM-SFPGE-1491 Overview

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

Product Type

Transceiver

Form Factor

SFP

Data Rate

Connector Type

Wavelength

1491 nm

Transmission Distance

Long-Range

Fiber Type

Single-mode

Max Distance

N/A

Supported Protocols

Ethernet, Fibre Channel

Network Interface

Fiber

Power Consumption

N/A

Operating Temperature

0 to 70°C

Storage Temperature

-40 to 85°C

Input Voltage

3.3V / 5V

Compatibility

Cisco, Juniper, Huawei, Arista

Product Name

CWDM-SFPGE-1491 SFP Transceiver

Height

N/A

Width

N/A

Depth

N/A

Weight

N/A