RE: TM8 & R608FS
TM8 will only have 8 channels as i understand.
8-Channel Module/Receiver Set
Designed for 9C and 9Z systems. Includes a TM-8 module and an R608FS receiver that measures 1.8 x 0.9 x 0.5 in (45 x 22 x 13.5 mm). FUTL8952
FUTL8928 TM-8 8-Channel Module
FUTL7638 R608FS 8-Channel Receiver