Prod Model: |
1.25G Copper SFP Module |
SFP: |
Transceiver |
Communication Module: |
SFP Module |
Fiber Optic Transceiver: |
Optical Transceiver |
Distance: |
550m~120km |
Fiber: |
Single Fiber or Dual Fiber |
Connector Type: |
LC, Sc |
Wavelength: |
850nm/1310nm/1490/1550nm |
Rate: |
155m, 1.25g,2.5g,4.25g,10g |
Usage: |
Workstation |
Type: |
Wired |
Support Network: |
CDMA |
Information Content: |
Data |
Certification: |
RoHS |
Condition: |
New |
Product Description
155M 1.25G 10g Copper SFP Module /40G/100G/120G DAC Cable and AOC Cable QSFP/SFP/CXP/CFP Fiber Optic Module1.25Gbp 120KM FR-DT SFP
Part number: DF-TK-120
Data rate : 1.25Gbps
Wavelength(Tx/Rx): 1470~1610dBm
Distance: 120KM
Laser: DFB
Fiber: SM
Optical Power: 0~+3dBm
Sensitivity: ≤-32dBm
FeaturesUp 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
ApplicationsMetro 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 |


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.