RF diode is recommended to keep the forward voltage of the system above 410mV.In this case, we are referring to the capacitance which is 2pF.There is a current rating of 1A for this part.
HSMS-2802-TR1G Features
2pF capacitance
HSMS-2802-TR1G Applications
There are a lot of Broadcom Limited HSMS-2802-TR1G applications of RF diodes.