Radio data transfer too slow
I used to work on video conferencing equipment. It is possible to pass video and audio through low bandwidth channels but to do so requires data compression to be applied. There are standardized protocols already defined to do this so it is not necessary to invent new things. 

For 15 frames per second video look at the H.324 protocol. That can work in a data channel with a bandwidth of 33.6K bits per second. We happened to use one ISDN phone line (64K bits per second) for this protocol.

For 30 frames per second video look at the H.320 protocol. That can work in a data channel with a bandwidth of 384K bits per second. The equipment I worked on used three joined ISDN phone lines (384K bits per second) for this protocol.

A radio channel with 2MHz data rate should be able to handle either of these as long as you can support the data compression.