USB 2.0/1.1 over Fiber Extender to Max 5 Km SMF Fiber or 250 Meters MMF Fiber, Compatible with USB 1.1, Rx is small as USB Dongle


Regular price $269.00



  • Support USB1.1 and USB 2.0 devices, Such as Cameras, Printers, Scanners, Audio devices, USB touch screens, Game Controllers, Mouse and Keyboard Dongle, FTDI USB to RS232 Converter, FPGA Programmer, USB video capture device, Orientalmotor Controller, USB Bluetooth Dongle, USB headset, USB to RS232 Adapter, Spectrum Analyzer, Arbitrary Waveform Generator 33250A & 82357B  etc.
  • Max extension distance 5 Kilometers over over Single-mode Fiber, or 250 Meters (820 FT)  over Multi-mode Fiber. 
  • 2 fibers or 1 fiber bi-directional transmission (Full Duplex), pure hardware design, no driver needed, compatible with all operation systems, support plug and play
  • Auto recognition of High-speed(25 Mbps~480 Mbps)、Full-speed(500 Kbps~12 Mbps)、Low-speed(10 Kbps~1.5 Mbps)USB device.
  • Be compatible with all Operation systems like Windows, Mac OS, LINUX, UNIX etc.


BY-USB-703SF/DF includes a transmitter and a receiver, which can extend USB 2.0 device to a remote location over 1 or 2 fiber cable.
BY-USB-703SF/DF can be widely used in military command and control system, police command and control system, traffic management system, energy and electricity supply industry, government office, medical system, commercial presentation, multimedia and public utilities etc.

Optical Connector: 1x LC or 2 x LC
Wave length: 1310nm/1550nm
Support Fiber types: 50/125μm(MMF), 62.5/125μm(MMF), 9/125μm(SMF)
Physical Size (L× W ×H):  Rx:  104mm x104mm x28mm;  Tx:  84.3 x 33 x 17.8 mm 
Case: Aluminum
Color: Black
N.W.: 0.75Kg
Power Voltage: 5~12V DC
Transmitter power consumption: <10W
Receiver power consumption: <3.5W
Environment Working temperature: -20℃-70℃
Storage temperature: -40-85℃
Humidity: 0-95% (non-condensing)

USB interface(Type A): 
Receiver: 1 port, connect to PC
Transmitter: 1 port, connect to USB 2.0 device


  • 1. 1 x transmitter (client side) with SFP optical module.
  • 2. 1 x receiver (host side) with SFP optical module.
  • 3. 1 x Power supply adapters DC 5~12V with US/EU/UK/AU plug for the transmitter.
  • 4. 1 x Manual.

About shipment:
Once order received, we will worldwide deliver by DHL Express for about 1 week delivery

Or shop on Amazon with worldwide Shipment (Free & Expedited)


Directly Contact us at for offline transaction.


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