Suitable for trunk amplification of single-way or two-way CATV networks and transmission amplification for last kilometer of HFC networks; Bandwidth: forward (45)87～862MHz/(45)87～750MHz, reverse 5～65MHz (or specified by user); Forward GaAs amplification chip and double amplifier module, reverse individual module(made by PHILIPS or MOTOROLA); Plug-in diplex filter, several frequency division for selection; Using plug-in equalizer, attenuator to make debugging and upgrade easy; Individual input port AC60V power supply ; Switching power supply for selection, one trunk output port and two bridge output ports.