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1.25Gb/s BiDi SFP Tx1310/Rx1550nm, 40KM

1.25Gb/s BiDi SFP Tx1310/Rx1550nm, 40KM

SKU: ABL35-24-40

Availability: In stock

Regular Price: $60.00

Special Price: $32.00

Volume Price: Inquire
● BIDI 1.25G SFP Transceiver
● Wavelength: TX1310/RX1550nm
● 40-KM

● 10Gtek offer Compatible Service


10Gtek's ABL35-24-40 BIDI 1.25G SFP Transceiver, wavelength TX1310/RX1550nm, SMF for 40KM. Module used in optical communications for both telecommunication and data bidirectional communications applications.
  • Support 1.25Gbps Data Links
  • 1310nm DFB TX /1550nm RX
  • 40-KM @ 9/125 μm SMF
  • Single 3. 3V Power and TTL Logic Interface
  • Hot-Pluggable SFP Footprint Simplex SC/LC Connector Interface
  • Class 1 FDA and IEC60825-1 Laser Safety Compliant
  • Compliant with SFP MSA Specification
  • Compliant with Digital Diagnostic Monitor Interface SFF-8472
  • Operating Case Temperature Standard:0ºC~+70ºC
  • Gigabit Ethernet
  • Fiber Channel
  • Other Optical Links
Order Information:
Part Number Description Data Rate Wavelength Reach Fiber Type TX Power (dBm) Rx Sens. (dBm) DDM/DOM Temp. Range(°C)
ASF-GE-T 1000Base-T SFP GE CAT5 Copper 100M 1.25Gbps 100 m CAT5 No 0~70
ASF85-24-X2 1000Base-SX SFP 850nm 550M 1.25Gbps 850nm 550 m MMF -8 ~ - 4 ﹤ -18 Optional 0~70
ASF13-24-10 1000Base-LX SFP 1310nm 10KM 1.25Gbps 1310nm 10 km SMF -10 ~ - 3 ﹤ -22 Optional 0~70
ASF13-24-20 1000Base-LX SFP 1310nm 20KM 1.25Gbps 1310nm 20 km SMF -9~-3 ﹤ -22 Optional 0~70
ASF13-24-40 1000Base-EX SFP 1310nm 40KM 1.25Gbps 1310nm 40 km SMF -4~0 ﹤ -22 Optional 0~70
ASF15-24-40 1000Base-EX SFP 1550nm 40KM 1.25Gbps 1550nm 40 km SMF -4~0 ﹤ -22 Optional 0~70
ASF15-24-80 1000Base-ZX SFP 1550nm 80KM 1.25Gbps 1550nm 80 km SMF 0~4 ﹤ -25 Optional 0~70
ASF15-24-120 1000Base-EZX SFP 1550nm 120KM 1.25Gbps 1550nm 120 km SMF 1~5 ﹤ -30 Optional 0~70
ABL34-24-02 1.25Gb/s BiDi SFP Tx1310/Rx1490nm 2KM 1.25Gbps Tx1310/Rx1490nm 2 km SMF Optional 0~70
ABL43-24-02 1.25Gb/s BiDi SFP Tx1490/Rx1310nm 2KM 1.25Gbps Tx1490/Rx1310nm 2 km SMF Optional 0~70
ABL34-24-20 1.25Gb/s BiDi SFP Tx1310/Rx1490nm 20KM 1.25Gbps Tx1310/Rx1490nm 20 km SMF -9~-3 ﹤ -22 Optional 0~70
ABL43-24-20 1.25Gb/s BiDi SFP Tx1490/Rx1310nm 20KM 1.25Gbps Tx1490/Rx1310nm 20 km SMF -9~-3 ﹤ -22 Optional 0~70
ABL34-24-40 1.25Gb/s BiDi SFP Tx1310/Rx1490nm 40KM 1.25Gbps Tx1310/Rx1490 40 km SMF -3~2 ﹤ -23 Optional 0~70
ABL43-24-40 1.25Gb/s BiDi SFP Tx1490/Rx1310nm 40KM 1.25Gbps Tx1490/Rx1310nm 40 km SMF -3~2 ﹤ -23 Optional 0~70
ABL45-24-80 1.25Gb/s BiDi SFP Tx1490/Rx1550nm 80KM 1.25Gbps Tx1490/Rx1550nm 80 km SMF 0~5 ﹤ -24 Optional 0~70
ABL54-24-80 1.25Gb/s BiDi SFP Tx1550/Rx1490nm 80KM 1.25Gbps Tx1550/Rx1490nm 80 km SMF 0~5 ﹤ -24 Optional 0~70
ABL45-24-120 1.25Gb/s BiDi SFP Tx1490/Rx1550nm 120KM 1.25Gbps Tx1490/Rx1550nm 120 km SMF 1~5 ﹤ -32 Optional 0~70
ABL54-24-120 1.25Gb/s BiDi SFP Tx1550/Rx1490nm 120KM 1.25Gbps Tx1550/Rx1490nm 120 km SMF 1~5 ﹤ -32 Optional 0~70
ASFxx-24-40 SFP 1000Base-EX CWDM 40KM 1.25Gbps CWDM 40 km SMF -5~0 ﹤ -22 Optional 0~70
ASFxx-24-80 SFP 1000Base-ZX CWDM 80KM 1.25Gbps CWDM 80 km SMF 0~4 ﹤ -25 Optional 0~70
ASFxx-24-120 SFP 1000Base-EZX CWDM 120KM 1.25Gbps CWDM 120 km SMF 1~5 ﹤ -32 Optional 0~70
ASFDxx-24-40 SFP 1000Base-EX DWDM 40KM 1.25Gbps DWDM 40 km SMF Optional 0~70
ASFDxx-24-80 SFP 1000Base-ZX DWDM 80KM 1.25Gbps DWDM 80 km SMF -2~3 ﹤ -30 Optional 0~70

1.25G SFP Transceivers

We Offer Compatibles Service:
Fiber Optical Compatibles Service
Our Packing:
Fiber Optical Transceivers Packing
Fiber Optical Cables Packing
Shipping Methods:

Global Shipping

Together with SFPcables, there is a Global Delivery from us like no others. We will not only delivery the correct shipment, but also for more things for an efficient and flexible way of business cooperation with our partners.<br /> ship worldwide to nearly every country across the globe, covering North and South America, Europe, Asia, Africa, Oceania, and more. We employ the services of major, trusted international carriers to ensure your package arrives to your destination safely and securely.

38 Country Free shipping

Online orders exceed $300.00 to following countries can enjoy Free Shipping;
Asia: Philippines, South Korea, Singapore, Brunei, Taiwan, Malaysia, Thailand, Japan, Indonisia, Indonesia, Kampuchea, Laos, Vietnam
North America: United States, Canada, Mexico
Oceania: Australia, New Zealand
Eastern Europe: Bulgaria, Estonia, Latvia, Lithuania, Slovakia, Romania
Southern Europe: Slovenia, Greece, Spain, Portugal, San Marino, Italy
Central Europe: Slovenia, Germany, Poland, Czech, Slovakia, Hungary, Austria, Switzerland
Western Europe: Belgium, Britain, Ireland, Netherlands, Luxemburg, France
Northern Europe: Sweden, Denmark, Finland, Norway

Typically, we use DHL and UPS to deliver your goods. Shipping methods are not fixed, they may vary according to country location, order amount, customer requirements, etc.

Payment Methods:

Payment methods available at include:

  • PayPal and PayPal Express
  • Bank to bank wire transfers (T/T)
  • Western Union
Warranty & Service

Warranty Policy:

Warranty Service Pack1*:     All 10Gtek's products share 1-year standard warranty.
Warranty Service Pack2*:     Enhanced Item (Apply to Online order at

DAC Cables (Passive) 3-Year Warranty
DAC Cables (Active) 3-Year Warranty
AOC Cable 3-Year Warranty
Fiber Optic Transceivers 3-Year Warranty
Switch, Convertors 1-Year Warranty
NIC/CNA Cards 1-Year Warranty
Optical System 1-Year Warranty
Patch Cords 1-Year Warranty
Power Adapter
0.5-Year Warranty
Consumer cable 3-Month

15-Day money back Guarantee:

15-Day money back guarantee applies to all products sold by provided that the items are new, undamaged, unmodified and in good resalable condition. If you are not satisfied with the product, you can apply return within 15 days.
All freight charges, transaction costs (bank charge or Paypal cost, etc) are the responsibility of the customer.

Returns are not acceptable if:
  1. The products are proved to have been abused, misused, replaced, repaired, or modified.
  2. After 15 days of delivery, returns are not acceptable. If the items are still under warranty period, customer could ask for repair or replacement. 
  3. No Return agreement was reached with a sales representative before Returns.
  4. Return process is not done based on Return instructions.


SFP(155M ~ 4G)
  1. SFP 1.25G (GE) Series
  2. SFP 100M (FE) Series
  6. SFP+ DAC (1-4G )
SFP BIDI transceiver is used for optical communications in both telecommunication and data bidirectional communications applications.

10Gtek's BIDI SFP transceivers can reach the distances from 10KM to 120KM.

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1.25Gb/s BiDi SFP Tx1310/Rx1550nm, 40KM
Free shipping on orders over $300.
Free shipping on orders over $300.
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