Codan Envoy Getting Started Manual page 209

C
OMPLIANCE
E R E D 2014/53/EU
UROPEAN ADIO QUIPMENT IRECTIVE
Spectral regulations may require the TxD option to be installed in
the transceiver. In this case, you cannot add channels with new
transmit frequencies. You can, however, add receive-only
channels, and channels with the same transmit frequency as an
existing channel. If the TxP option is installed in the transceiver,
you cannot add channels.
E ® T G S G 197
NVOY RANSCEIVER ETTING TARTED UIDE