If you need a communication system for a production team, then the Solidcom M1 Full-Duplex Wireless Intercom Solution from Hollyland is an ideal
Hollyland Solidcom M1 Wireless Intercom System 1300ft Full Duplex Transmission Multi-Device Cascade for Event Concert Sports - AliExpress
Hollyland Solidcom M1 Full-Duplex Wireless Intercom Solution 8 Beltpacks and Headsets
KitSplit
Hollyland Solidcom C1-8S Full-Duplex Wireless Intercom System with
RCB Logic - Hollyland Solidcom M1-8B Full Duplex Wireless Intercom
Hollyland Solidcom M1 Full-Duplex Wireless Intercom Solution (8 Beltpacks) - SKYMEDIA
Hollyland SOLIDCOM M1 8-User – Tegas Broadcast & Multimedia
Solidcom M1-4B
Hollyland Solidcom M1 - High-end Wireless Intercom System with Dynamic Microphone
Hollyland Solidcom M1 Full-Duplex Wireless Intercom Solution (8 Beltpacks)
Hollyland Solidcom C1-8S Full-Duplex Wireless Intercom System with