The RC11XX-RC232 RF Transceiver Modules are compact surface-mounted high performance modules for FSK operation with embedded protocol. The modules are completely shielded and pre-certified for operation under the European radio regulations for license-free use. RC1170- and RC1190-RC232 conforms with regulations for operation under FCC (USA and Canada) and under the directives given by G.S.R. (India) respectively.