

Manufactory Wholesale CATV 4 Port Outdoor Optical Receiver
SR812B with 1G Bandwidth & High Gain
Need reliable signal transmission in harsh outdoor environments? The CATV 4 Port Outdoor Optical Receiver SR812B delivers exceptional performance with a high-response PIN photoelectric conversion tube and 1G bandwidth design. Featuring GaAs MMIC amplification, optical AGC control, and power double output, it ensures high gain, low distortion, and stable signal transmission. Ideal for CATV networks, this receiver supports remote network management and offers a forward gain of 30dB, making it perfect for outdoor applications in broadcasting and telecommunications.
• High-response PIN photoelectric conversion tube | • 1G bandwidth design | • Optical AGC control (-7~+2dBm) | • Forward gain: 30dB | • Ideal for CATV networks



SR812B series are our universal CATV network optical receiver with network management responder.
catv 4 port outdoor optical receiver


Product Overview
SR812B (CATV 4 Port outdoor receiver ) is a outdoor optical node with high response PIN photoelectric conversion tube, can be extended with a remote network management, convenient access to the network management system.
The pre-amp of catv 4 port putdoor optical receiver adopts all-GaAs MMIC amplify and the post-amp adopts GaAs power double amplify module (This series has two models, M model RF attenuation and equilibrium adopt the continuously adjustable design, MF model with different fixed attenuation and equilibrium inserters for user option. Users can also choose more targeted high quality modules according to actual requirements).
Detail Images







1. High response PIN photoelectric conversion tube.
2. 1G bandwidth design.
3. Ten bar LED optical power indicators, more accurately display the optical power.
4. Optimized circuit design, the pre-stage adopts SMT processing, while post-stage adopts module amplify typical circuit that makes the photoelectric signal transmission more smooth.
5. Power double output, high gain and low distortion.
6. Optical AGC control, when the input optical power range is -7~+2dBm, the output level, CTB and CSO basically unchanged.
Parameter
quency bandwidth Forward 87-860MHz
Reverse (option) 5-65MHz
Gain Forward 30dB
Reverse (option) 12dB
Noise figure Forward ≤10dB
Reverse (option) ≤12dB
Output level Forward 102dBuV
Pilot frequency 168.25MHZ(option)
AGC accuracy ±3dB ±0.3dB
CTB Forward ≥65dB
CSO Forward ≥63dB
Return loss Forward ≥15dB
Reserve ≥15dB
Flatness in band Forward ±0.75dB
Reserve ±0.75dB
Input voltage
Ac:135v-250v,or Ac:35v-90v
Consumption 30w
Dimension 340mmx220mmx160mm

Contact:Tomleequan Email:


About Us
FMUSER is a company specializing in broadcasting and television transmission systems and integrating hotel IPTV systems. The company was established in 2009 and has served over 180 countries worldwide. More than 20,000 television stations, radio stations, and hotel clients from different.
Contact:Tomleequan Email:sales@fmuser.com whatsapp:+8613922702227
