Actually RSRD hasn't been updated by lurker in some while for TMO changes, but it doesn't effect much but traffic.
You would still use RSRD ver 502 reagrdless for both 2 and 2.1
TriggerMaru_Overhaul_2
TMO_Update_20_to_21
RSRDC_TMO_V502
RSRDC_V5xx_Patch1
I copied the links for you out of the mods section where you can find most mods.
TMO 18x/19x/2x
Current Version
RSRDC_TMO_v502
Link
http://www.subsim.com/radioroom/down...o=file&id=1414
Install with JSGME in the following order
TMO
RSRDC_TMO_v50x
RSRDC_V5xx_Patch1
RSRDC_V5xx_Patch1
Link
http://www.subsim.com/radioroom/down...o=file&id=1459