According to JR, this allows to choose between FHSS or DSSS.
The XG7 comes with telemetry system which monitors receiver battery voltage. When the receiver battery reaches a pre-set level the transmitter will beep. The receiver battery voltage is also displayed on the transmitter.
The transmitter will be sold in UK. No idea about the rest of Europe as JR is distributed through Graupner with has a partnership alerady with Weatronic and IFS.