Gold Member Since 2013
Audited Supplier
Takfly Communications Co., Ltd.

SFP, Optical SFP, Single Optical Transceiver manufacturer / supplier in China, offering 1.25gbps 20km 1310/1550 Single Optical SFP, FTTH Multimode Om1 Om2 Om3 Om4 Fiber Optic Patchcord, Connectorized Sc/APC 2X32 Rack Mount Fiber Optic PLC Splitter and so on.

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Supplier Homepage Product Fiber optic active product SFP module 1.25gbps 20km 1310/1550 Single Optical SFP

1.25gbps 20km 1310/1550 Single Optical SFP

FOB Price: US $8 / Pair
Min. Order: 1 Pair
Min. Order FOB Price
1 Pair US $8/ Pair
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Port: Shenzhen, China
Production Capacity: 10000/Per Week
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: DF-TK-A/B
  • Type: Wireless
  • Information content: Data
  • Condition: New
  • Data Rate: 1.25g
  • Distance: 20km
  • Fiber Type: Sm
  • Sensitivity: ≤-24dBm
  • Delivery Time: 3-5working Days After Payment Recieved
  • Transport Package: Plastic Box or According to Customer′s Request
  • Origin: China
  • Usage: Server
  • Support Network: Ethernet
  • Certification: CE, ISO, RoHS
  • Name: SFP
  • Wavelength(Tx/Rx): 1310nm/1550nm
  • Laser: Fp
  • Optical Power: -9~ -3dBm
  • Single Power Supply: 3.3V
  • Trademark: DF
  • Specification: CE, ROHS, ISO
Product Description
1.25Gbps 20km 1310/1550 Single Fiber SFP Transceiver/SFP Optical Module
Data rate : 1.25Gbps
Wavelength(Tx/Rx): 1310nm/1550nm
Distance: 20km
Laser: FP
Fiber: SM
Optical Power: -9~ -3dBm
Sensitivity: ≤-24dBm
Compliant with IEEE802.3z Gigabit Ethernet Standard
Compliant with Fiber Channel 100-SM-LC-L standard
Industry standard small form pluggable (SFP) package
Simplex LC connector
Differential LVPECL inputs and outputs
Single power supply 3.3V
TTL signal detect indicator
Hot Pluggable
Class 1 laser product complies with EN 60825-1
RoHS Compliant

Gigabit Ethernet Application
Point-to-Point FTTX Application
The DF-TK-A/B Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). They are simultaneously compatible with Gigabit Ethernet as specified in IEEE Std 802.3 and Fibre Channel FC- PI-2 Rev. 7.0. They are RoHS compliant and lead-free per Directive 2002/95/EC.

Optical Fiber Module
Standards and Protocols
Wave Length
TX: 13100nm / RX: 1550nm
Power Supply
Single-mode Fiber
Fiber Type
9/125 um Single-mode
Max. Cable Length
Data Rate
Port Type
LC or SC
Safety & Emission
Operating Temperature: 0 °C ~70 °C  (32  °  F ~158  °  F   )
Storage Temperature: -40 °C ~80 °C  (-40  °  F   ~176  °  F   )
Operating Humidity: 10%~90% non-condensing
Storage Humidity: 5%~90% non-condensing
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Ms. Wendy Ru
Sales Manager
To: Ms. Wendy Ru

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