4G 3R Multi-rate Transponder | Network Switch & Media Converter Manufacturer | CTC Union

The FRM220-4G-3R has 4 SFP slots that can be configured as a dual channel 4G 3R multi-rate transponder or in a 1-to-2 port protection mode. The device provides a flexible transmission of various protocols, such as 1G Ethernet, SDH STM-16, OC-24, OC48 , Fiber Channel 1/2/4, OBSAI, CPRI, etc. Using SFP ports with dedicated CWDM or DWDM wavelengths, the FRM220-4G-3R transponder supports multi-rate functionality with optical data rates from 1Gbps up to 4.25Gbps. With its functionality the FRM220-4G-3R transponder is also suitable as a repeater for transmission over extended distances. In addition, the use of state of the art components greatly reduces the power requirements and heat dissipation factors over our previous transponders. CTC Union is high-quality 4G 3R Multi-rate Transponder, FRM220-4G-3R 4G Transponder Card manufacturer from Taiwan since 1993. CTC Union is a leading Taiwanese manufacturer specializing in telecommunication products such as L2 Ethernet switches, transponders, and industrial Ethernet switches, converters, and injectors. The company maintains strict control over product design, ensuring compliance with certifications like CE, FCC, UL, IEC 62443-4-1, EN50155, EN45545-2, and IEC61850-3. CTC Union has established strong global partnerships with voice and data carriers, enterprises, and industrial Ethernet users, providing direct engineering and technical support from its headquarters in Taipei, Taiwan. With more 30 years professional experience, CTC Union is a Taiwan manufacturer of telecommunication products and industrial Ethernet switch, converter, injector. Strictly control all product design.