PTP820C is a dual core radio, which provide over 1Gbps full duplex throughput when both cores activated. Sometimes people need more capacity, a 4+0 setup with two of hte PTP820C on each end can support more than 2Gbbps throughput.
There are two different setups:
1. 2 x PTP820C dual core setup with one dual polarity antenna.
customer can choose XPIC or ACAP(Adjacent Channel alternative Polarity)
Or
2. 2 x PTP820C dual core setup with one single polarity antenna.
customer can choose ACCP (Adjacent Channel co-pollority)