Here is a list of all namespace enum values with links to the namespace documentation for each enum value:

BPSK_1_2 : gr::ieee802_11
BPSK_3_4 : gr::ieee802_11
COMB : gr::ieee802_11
LMS : gr::ieee802_11
LS : gr::ieee802_11
QAM16_1_2 : gr::ieee802_11
QAM16_3_4 : gr::ieee802_11
QAM64_2_3 : gr::ieee802_11
QAM64_3_4 : gr::ieee802_11
QPSK_1_2 : gr::ieee802_11
QPSK_3_4 : gr::ieee802_11
STA : gr::ieee802_11