Gigabit 1.25Gbps SFP CWDM 80km Module 1490nm CWDM Optical Transceiver for CWDM Optical Transmission Platform

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$20.00 - $700.00 / Pieces | 1 Piece/Pieces (Min. Order)
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Quick Details
Place of Origin:
Guangdong, China
Brand Name:
Model Number:
G-3849DNL(BF) , cwdm sfp module
Operating wavelength:
1490nm singlemode
Data Rate:
Transmission Distance:
Duplex LC connnector
Form Factor:
CWDM equipment
Warrenty Period:
sfp cwdm 80km,cwdm 80km 1490nm,cwdm transmission platform
OEM, ODM services:
ISO9001, CE, FCC, RoHS
Supply Ability
Supply Ability:
150000 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
Packed in blister box, paper box and carton. With GRT label or by OEM.
Beijing, Tianjin
Product Description

Gigabit 1.25Gbps SFP CWDM 80km Module 1490nm CWDM Optical Transceiver for CWDM Optical Transmission  Platform



1. Key Features

  • Model No.:G-3849DNL(BF)
    Max. Data Rate:1.25GB/S
    Operating Wavelength:1490nm
    Transmission Distance:80KM
    ROHS Lead Free:
    Media Type:Singlemode
    Voltage Supply(V):3.3V
    Operating Temperature(℃):0℃~70℃
    Connector:;Duplex LC Connector
    Hot pluggable:Pluggable



    - SFP hot pluggable

    - 1.25Gb/s serial optical interface

    - Up to 80km transmission distance based on 9/125um SMF

    - Compliant with SFP+ MSA

    - Duplex LC connector

    - Digital Diagnostic Monitor(DDM) function 

    - Low Electro-Magnetic Interference(EMI) 

    - High transmission margin

    - +3.3V single power supply

    - Low power consumption less than 1.5W

    - Wide data rate range



Keywords: sfp cwdm 80km,cwdm 80km 1490nm,cwdm transmission platform,10g cwdm 80km,cwdm 1.25g 80km, 1.25g 1310nm cwdm, 1gb sfp cwdm, optical transceivers, CWDM sfp 40km, 10g cwdm 80km, huawei optical modules, cisco sfp modules, fiber optical transceivers


2. Application


Optical transceivers can be applied for Gigabit Ethernet, Fiber channel, SDH/SONET/ATM, switch, routers, servers, Ethernet Switch and servers,  storage, SONET(OC-192)/SDH(STM64) card, high speed storage area network (SAN), high speed data channel, PDH and other network transmission systems. 



-10G Fiber Channel

-Other optical links


G-3431DNL(BF) 1.25Gb 40km 1310nm single mode CWDM Multiplexer Optical Module Transceiver is made for 155M 622M 1000M 2.5G optical communication. 16 waves from 1270nm to 1610nm available to customers. Maximum distance reach up to 80km. It could be applied in Ethernet and SONET(Synchronous Optical Networking).




3. Customer Ordering


For each model of optical module, there're 3 levels for choice.


Product Level

Aerospace Levelmade by 100% imported material
Telecommunication Level60% of material are imported
Network Levelchipset imported, others are of dometic brand


4. Compatibility 


All of GRT's transceiver modules are open sourced, can be coded to be fully compatible with major brands' products and devices, such as Intel, Dell, Cisco, Finisar, Arista, HP, Mellanox, Juniper, HUAWEI, H3C, etc.


For other brands' devices, please specify when ordering so that we can write corresponding codes for your easy application.


Cases Show


GRT's products have been widely used in fields like network secutity, storage,server, telecommunication, finance, railway, military, oil, customs and water conservation, etc.







Based on the principle of Quality comes first, GRT holds a complete series of quality tests for all its products from material to finished product.  Strict tests like adhesion test, current test,  electrostatic protection, return loss test, temperature cycle aging test, data reducing, functional test,hardware test, communication test and flow test will be made before storaging and leaving factory. 






All of GRT's products have been approved with industry standards and major international standards like CE, FCC, RoHS, etc.

Excellent quality and service are always our first priority. 




Packaging & Shipping


5.  Normal Package & Notes on application


  • Please keep the transceiver modules from dust, moist and oil contamination.
  • Try to avoid the electrostatic.
  • Try to avoid direct contact with sensitive areas such as connecting finger.
  • We can ship by DHL, EMS, FedEx, TNT, UPS, etc or other express ways upon your request. 





Company Information

GRT is a leading supplier high level optical transmission products, including but not limited to:

fiber optic network card,server adapter, optical transceivers, patch cord, fiber media converter, CWDM/DWDM Mux/Demux, optical splitter, By pass,  Host Bus Adapter HBA card, host cabinet, optical cable,attenuator.


Aimed of enabling everyone to enjoy the freedom and joy brought by the fiber optics, as a young but passionate team, GRT strives to provide you with top quality networking products at reasonable prices and a prompt 7*24h service to keep your business guaranteed.