One-to-Many Satellite Communication for In-Building and In-Vehicle Use
What is SATELLITE PTT?
The Icom IC-SAT100M is the dedicated satellite push-to-talk (PTT) radio, and is the only PTT radio offering real-time communications at the push of a button between a group of individuals, each of whom can be anywhere on the planet*. The IC-SAT100M uses the Iridium® satellite communication network, which covers the entire globe, including both poles.
One-to-Many Communication
IC-SAT100M 
users can immediately start talking to all the radios in the same talkgroup, with just a push of the transmit (PTT) button.
users can immediately start talking to all the radios in the same talkgroup, with just a push of the transmit (PTT) button.