Professional referee headset intercom system
The professional referee intercom system has optimized anti-interference and audio for use scenarios, and has better use effects.
Mesh group intercom: Mesh fast pairing provides a more stable talk link. Within the communication range, all devices can automatically connect according to the distance. After disconnection, they return to the communication distance and automatically reconnect in 5 milliseconds.
Bluetooth group intercom: Pair in sequence through Bluetooth. If the middle device is disconnected, the entire group will be disconnected.

F6
$230
Mesh group intercom numbers: 2-6 people
Maximum number of people simul-talk: 6 people
Mesh version: 3.0
Bluetooth version: ✘
Intercom distance: covering a diameter of 400-800 m
Strong Penetration & Information Encryption: ✔
Support reconnect automatically: ✔
Support microphone mute: ✔
Battery parameters: 1200mAh
Mesh talk time: 19H
Waterproof rating: IP67

FBIM
$150
Bluetooth group intercom numbers: 2-4 people
Maximum number of people simul-talk: 4 people
Mesh version: ✘
Bluetooth version: 5.1
Intercom distance: 1500 m (Distance of 4 units)
Strong Penetration & Information Encryption: ✘
Support reconnect automatically: ✔
Support microphone mute: ✘
Battery parameters: 850mAh
Bluetooth talk time: 19H
Waterproof rating: IP65