According to the datasheets, the peak forward voltage is 1.1.The maximum continuous forward current that this device consumes at any given time is about 1.RF diode is recommended to keep the forward voltage of the system above 1.1 V.
LL4007G L2 Features
the forward peak voltage is 1.1
LL4007G L2 Applications
There are a lot of Taiwan Semiconductor LL4007G L2 applications of RF diodes.