1 Ch Telephone ,Standalone RJ11 Converter

2 Ch Telephone,Standalone RJ11 Converter   Optic Specification : Single Fiber /SM/ 20km Fiber...

4 Ch Telephone,Standalone RJ11 Converter   Optic Specification : Single Fiber /SM/ 20km Fiber...

8 Ch Telephone,Standalone RJ11 Converter

16 Ch Telephone,Standalone RJ11 Converter   Optic Specification : Single Fiber /SM/ 20km Fiber...

32 Ch Telephone,Standalone RJ11 Converter

Model: HHD-G1A
AUDIO Converter Fiber HHD-G1A 1CH Forward Audio,RCA,Single Fiber,20KM,FC Optic...

Model: HHD-G2A
AUDIO Converter Fiber HHD-G2A 2CH Forward Audio,RCA,Single Fiber,20KM,FC Optic Specification:...

Model: HHD-G4A
AUDIO Converter Fiber HHD-G4A 4CH Forward Audio,RCA,Single Fiber,20KM,FC Optic Specification:...