= FULL DUPLEX CALL =
All users of EF-QC-TT within the team can make full-duplex wireless calls in the network,
realizing the communication between the team leader and team members.
= COMMUNICATION CONTROL =
Team leader EF-QC-TT is the only device to realize half duplex call with command center.
By turning on/off team member communication function, team leader can control anytime
whether the voice transmitted by the radio station and the voice reported by the team leader
can be listened to by other team members.
The communication among team members will not be affected.