Prod Model: |
SFP Module |
Model No: |
SFP Module |
Distance: |
550m~120km |
Connectors Type: |
LC, Sc |
Rate: |
Rate |
SFP: |
Transceiver |
Fiber: |
Single Fiber or Dual Fiber |
Wavelength: |
850nm/1310nm/1490/1550nm |
Transmission Medium: |
Single-Mode |
Structure: |
LC |
Number Of Cores: |
Multi-Core |
Ferrule Endface: |
APC |
Product Description
Product Description
Cisco Compatible 1.25G 20km 1310/1550 Single Optical Transceiver/SFP Module
1.25G 20KM FR-DT SFP
Part number: DF-TK-20
Data rate : 1.25Gbps
Wavelength(Tx/Rx): 1470~1610dBm
Distance: 20KM
Laser: DFB
Fiber: SM
Optical Power: 0~+3dBm
Sensitivity: ≤-32dBm
Features
Up to 1.25 Gbps bi-directional data links
Hot-pluggable SFP footprint
Uncooled DFB laser transmitter in 8 possible CWDM wavelengths
Duplex LC connector
Very low jitter
Metal enclosure, for lower EMI
Single power supply 3.3V
Low power dissipation <700mW
Operating temperature range: 0ºC to 70ºC




Applications
Metro Access Rings and Point-to-Point networking for Gigabit Ethernet and Fibre Channel.
DF-TK-120 CWDM Small Form Factor Pluggable (SFP) transceivers are designed for operation in Metro Access Rings and Point-to-Point networks using Gigabit Ethernet and Fibre Channel networking equipment. They are available in eight different CWDM wavelengths. In addition, they comply with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA).
Part number | Data rate | Wavelength(Tx/Rx) | Distance | Laser | Fiber | Optical Power | Sensitivity |
DF-TK-1310 | 155Mbps | 1310nm | 20km | FP | SM | -15~ -8dBm | ≤-35dBm |
DF-TK-1310 | 1.25Gbps | 1310nm | 20km | FP | SM | -9~ -3dBm | ≤-24dBm |
DF-TK-1310 | 155Mbps | 1310nm | 20km | FP | SM | -15~ -8dBM | ≤-34dBm |
DF-TK-1310 | 1.25Gbps | 1310nm | 20km | FP | SM | -9~ -3dBm | ≤-24dBm |
DF-TK-1550 | 2.5Gbps | 1550nm | 20km | DFB | SM | -5~0dBm | ≤-22dbm |
DF-TK-1550 | 2.5Gbps | 1550nm | 80km | DFB | SM | -2~+3dBm | ≤-28dBm |
DF-TK-1550 | 2.5Gbps | 1550nm | 40km | DFB | SM | -2~ +3dBm | ≤-19dBm |
DF-TK-1310 | 155Mbps | 1310nm | 40km | FP | SM | -5~0dBm | ≤-34dBm |
DF-TK-1310 | 622Mbps | 1310nm | 20km | FP | SM | -10~ -3dBm | ≤-28dBm |
DF-TK-1310 | 622Mbps | 1310nm | 40km | FP | SM | -5~0dBm | ≤-28dBm |
DF-TK-1310 | 1.25Gbps | 1310nm | 3km | FP | SM | -13~ -3dBm | ≤-22dBm |
DF-TK-1310 | 1.25Gbps | 1310nm | 40km | DFB | SM | -3~+2dBm | ≤-24dBm |
DF-TK-1310 | 2.5Gbps | 1310nm | 2km | FP | SM | -9~ -3dBm | ≤-19dBm |
DF-TK-1310 | 2.5Gbps | 1310nm | 20km | DFB | SM | -5~0dBm | ≤-19dBm |
DF-TK-1310 | 2.5Gbps | 1310nm | 3km | FP | SM | -9~ -3dBm | ≤-18dBm |
DF-TK-1550 | 155Mbps | 1550nm | 20km | FP | SM | -15~ -8dBm | ≤-36dBm |
DF-TK-1550 | 155Mbps | 1550nm | 80km | DFB | SM | -5~0dBm | ≤-36dBm |
DF-TK-1550 | 622Mbps | 1550nm | 80km | DFB | SM | -3~ +2dBm | ≤-28dBm |
DF-TK-1550 | 1.25Gbps | 1550nm | 80km | DFB | SM | 0~+5dBm | ≤-26dBm |
DF-TK-1550 | 1.25Gbps | 1550nm | 120KM | DFB | SM | 0~+5dBm | ≤-32dBm |


Why choose Takfly ?
Service
1.Customer's logo: Acceptable
2.General inspection on fixing before packing
3.Third party inspection: Acceptable
Quality Control
All products must go through five checks before manufacturing process
1.Material incoming inspection before production
2.Full check after every individual process finished
3.Full check after production half-done
4.Full check before packing
5.Spots check after production packed before shipping
Advantages:
1.15 years experience in manufacturing fiber optic products..
2.Availability of R & D with more than 10 engineers.
3.Available of design and making mold with special molding house.
4.High quality, attractive price and fast delivery(2-7days)
5.OEM, ODM customer designs are also welcomed
6.More than 200 workers
7.Excellent service
Delivery:
1.Packing: Plastic bag& carton, Neutral packing or as your required.
2.Sample time: 1-3 days after confirm
3.Order lead time: 2-7working days depend on quantity and products.
4.Shipping port: Shenzhen China or HK
5.Shipping term: EXW or FOB
Payment:
Acceptable by T/T, West Union, PayPal and L/C according to your requirement
Shipping
1.Once confirmed the order, and payment sent after finishing goods. 2.Goods will be sent within 7 days with the fast,reasonable and efficient shipping mode such as DHL, EMS, UPS,FEDEX, TNT, etc.
3.Please make sure your postal address is correct. Any lost and mistakes because of wrong address are not supplier's responsibility.
4.Please do not bid if you disagree with the shipping and handling charge.
Contact
1.Our working time:8:30am~5:30pm
2.All the inquiries will be replied within 24hours, So please feel free to send us your inquiry.
3.When our trade manager is off line, please feel free to leave a message, and tell us the products you need, our model number, and your E-mail address, we will reply to you within 24 hours too.
Takfly Communications Co., Ltd. is a Hi-Tech enterprise having its own brand and specializing in R&D, manufacture and sales of fiber optical communications equipments.
The main products of TAKFLY include fiber optic patch cord, connector, adapter, optical coupler, attenuator, optic media converter, optic splice closure, optic terminal box, ODF etc, which are widely used in telecommunications, broadband, broadcast, CATV and network industry. All the products acquired the approval of the Network Access License for Telecommunication Equipment Ministry of Information Industry, PRC, ISO9001, UL and CE standard, which ensure the reliability and make them sold very well not only in the domestic market but also the overseas market.
TAKFLY was establish in 2000, grow up rapidly. Now it has workshop area about 3000 square meters, more than 200 workers, the production capacity of fiber optic connectors is about 600, 000PCS per month. It controls the quality constantly and strictly in order to give the best products to the users. The outstanding features and advantage are the high technology, professional and excellent sales team, efficient and sound management, competitive price, wide and superior channels, as well as high-quality and flexible service.
Many international exhibitions upgraded "TAKFLY" as the well-known brand in the world. To be the super leader of the optical communications scopes in China is the goal of TAKFLY. In the next five years, TAKFLY will keep the strategic pattern of development ---"based in South China, penetrate into whole country, extend over the world". It will bring the fiber optic industry into a brilliant future. TAKFLY--- Your Honest Team, will be always ready for you.