Requisito del sistema de transmisión de datos de voz de malla IP de red ad hoc

Requisito del sistema de transmisión de datos de voz de malla IP de red ad hoc:
Transceiver could be any form such as module or chip or a system-on-module SOM or System-on-chip SOC and fulfills the following conditions:
. Transmit live voice, datos, and control commands at the same time in both directions (from the Tx to the Rx and vice versa at the same moment).
. The communication distance is up to 3 km.
. Immune from interference and overhearing between users’ devices who are located in the same area.
. It does not require a line of sight to have a strong and uninterrupted connection between the Tx and Rx.
. Supports a large number of users at the same time without interference or overhearing. A maximum of 250 users at the same moment and same area.
. Operating on Free-licensed radio frequency range.