Doteck LB4 Series

Categories

Fiber Optic
Transmission System

4K UHD Video over Fiber


	4K(12G-SDI)
	4K(6G-SDI)

HD Video over Fiber


	HD Mini
	HD(one channel)
	HD2(2-channel)
	HD4(4-channel)
	HD8(8-channel)
	HD16(16-channel)
	HD(Thumb Type)

3G-SDI HD Video over Fiber


	3G Mini
	3G(one channel)
	3G2(2-channel)
	3G4(4-channel)
	3G8(8-channel)
	3G(Thumb Type)

HD Video + Audio over Fiber


	DMB(HD-SDI + Audio)

HD Video + IP over Fiber


	HDX1(HD-SDI + IP)

HD Video + Data over Fiber


	HDX2(HD-SDI + RS232/422/485)

AES/EBU Digital Audio over Fiber


	i2AES(2-channel)
	i4AES(4-channel)
	i8AES(8-channel)

Analog Video Audio over Fiber


	A1(1 Video, 2 Audio )
	A2(2 Video, 4 Audio )
	A4(4 Video, 8 Audio )
	A8(8 Video, 16 Audio)

Analog Audio over Fiber


	i2(2-channel)
	i4(4-channel)
	i8(8-channel)
	i16(16-channel)

HD Multimedia over Fiber


	M1(HDMI)
	M2(DVI)
	M3(VGA/RGBHV)
	M4(YPbPr)
	M5(IP)
	M6(RS232/422/485)
	M7(Tally)

L-Band Satellite Signal over Fiber


	LB Mini
	LB(one channel)
	LB2(2-channel)
	LB4(4-channel)
	LB7(7-channel)
	LB(one channel, bi-directional)

Doteck LB4 Series

Datasheet

Doteck LB4 Series 4-channel L-Band fiber optic Transmission System

Features

Variety of technical specifications and design shows the characteristics of satellite L-band fiber optic link products in current market and it’s the best solution with lowest cost

Bandwidth at 950~2150MHz, can transmit analogue or digital signal from L-band of all satellites

TG transmitter, and AGC amplifier inside

Perfect laser APC, ATC controls circuit guaranteeing the laser’s long service life and high stable operating

Transmitter could send 13VDC or 18VDC to LNB

All the working specifications are controlled by microprocessor. It is used in the project with high requirement

Prevent from electromagnetism, RF and thunder and lightning interference strongly

All components, including connectors, are ordered from public-known manufacturers in the world, high stability and reliability ensurance

Enclosure box material is made of aluminum, elegant appearance, and light weight

Applications

Satellite L-band fiber optic assignment system

Ocean ship satellite fiber optic assignment system

Satellite L-band up/down fiber optic link

Introduction

Doteck LB4 series L-band fiber optic transmission system is working under the bandwidth of 950~2150MHz, which could convert all L-band analogue or digital satellite signals got by LNB to optical signal, support transmission of 4-channel L-band satellite signal on one optical fiber, via a single fiber to achieve full transparency, high quality, long distance transmission. It is also used in fiber optic assignment in satellite building and satellite L-band up/down link, use agile and convenient installation.

Technical Specifications

RF parameters

Frequency range	950~2150MHz
Level input	-45~-20dBm
Level output	-30~-25dBm
Smoothness	±1.0dB(950~2150MHz)
Channel	4
Input impedance	75Ω
RF return loss	≥10dB
RF connector	F-type
Intermodulation	≤-40dBc
Noise figure	42dB
Link gain	0-10dB

Physical

Dimension(H×W×D, mm)	44×433×346(mm)
Power supply	130-260VAC, 50/60Hz
Power consumption	<10W
Operating temperature	0-50℃
Relative humidity	0-95%, non-condensing

Fiber optic link

Wavelength	1310nm/1550nm
Number of fiber	1 or 4
Connector	FC/APC
Distance	0-20km, or 0-60km optional



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