1. This Master controller need to work with PDS8920 antenna and can connect 3 antennas maximum. 2. Advanced DSP+FPGA technology 1. This Master controller need to work with PDS8920 antenna and can connect 3 antennas maximum. 2. Advanced DSP+FPGA technology 3. Low power consumption: 150mA,220VAC4. Auto/Manual sync parameter setting function5. Auto/Manual detection parameter setting function6. ...