Features: 1) 750 / 862MHz bandwidth, two way transport 2) Excellent medium size water-proof and heat dissipation function 3) 4 independent forward RF output ports, output level up to 112dBµV, high output level, low distortion 4) Intelligentized network management function 5) Modularization design and interior separable structure ease to maintain and upgrade 6) Redundancy spare parts, optical receiver, optical transmitter and power supplier have their spare part and can be switched automatically 7) 4 independent return transport path, agile return path attenuation switch