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Optic Transmitter 1310nm (Butterfly Laser)

1310nm Transmitters

Catvision OTU-13 Series Optic Transmitters use directly modulated DFB technology for transmission of optic signal at 1310nm wavelength. A power-doubler amplifier with built-in AGC circuit is incorporated providing a stable RF signal with excellent C/N, CSO & CTB performance for long haul transmission. These are suitable for both analog and digital Cable TV networks.

Catvision optic transmitters incorporate a thermo-electric cooler and auto control for laser power & bias current to ensure stable optic output power and longer life of laser module.

These transmitters can be interfaced with a network management system via a RS232 or RS485 port for status monitoring.





  • AGC/MGC for stable RF level
  • Linear frequency response
  • Excellent C/N, CSO & CTB
  • High quality DFB fresh laser
  • Unique RF pre-distortion circuit
  • Standard 19 inch rack mount type
  • VFD display for displaying all transmitter parameters (GOLD model)
  • An intelligent microcontroller to control all parameters
  • Optic output power: 12dBm ~ 15dBm (12mW ~ 31mW)
Optic Wave Length : 1310nm
Optic Output Power : 12 / 13 / 13.4 / 14 / 15 dBm
Optic Output Connector  : SC/APC
Freq. Range : 47 ~ 860MHz
RF Input Level  : 75 ~ 85dBµV
CNR         : ≥ 54 dB
CSO : ≤ -65 dB
CTB   : ≤ -70 dB
Mains Supply (SMPS)   : 110 ~ 260VAC, 50Hz, 45W Max.
OTU-13-G-31   : 1310nm Ortel Laser, 15dBm/31mW GOLD
OTU-13-G-25 : 1310nm Ortel Laser, 14dBm/25mW GOLD
OTU-13-G-25 : 1310nm Ortel Laser, 13.4dBm/22mW GOLD
OTU-13-P-31 : 1310nm Ortel Laser, 15dBm/31mW Premium
OTU-13-P-22 : 1310nm Ortel Laser, 13.4dBm/22mW Premium
OTU-13-P-25 : 1310nm Ortel Laser, 14dBm/25mW Premium
OTU-13-E-31  : 1310nm Laser, 15dBm/31mW Special
OTU-13-E-25 : 1310nm Laser, 14dBm/25mW Special 
OTU-13-E-20  : 1310nm Laser, 13dBm/22mW Special
OTU-13-E-16 : 1310nm Laser, 12dBm/16mW Special
Gold (G) : Ortel Laser, CSO 6dB better and VFD display
Premium (P) : Ortel Laser and LCD display 
Special (E)  : Professional Laser and LCD Display