Block diagram of the proposed full-duplex (FD) transceiver (IMAGE) ... the system can reach unprecedented data rates at frequencies over 100 GHz.

The block diagram of this transceiver is exactly as shown above. A lot of detail, schematics and additional info can be found here.This radio is representative of the vast majority of SSB ...

Figure 1. Block diagram of Analog Devices’ ADRV9009 transceiver Maintaining 2G, 3G, and 4G. But there is a key factor to keep in mind. As 5G arrives, 4G, 3G, and even 2G aren’t going away.