pxt-calliope/docs/reference/radio.md

Radio

Communicate data using radio packets

radio.sendNumber(0);
radio.sendNumbers(0, 0, 0, 0);
radio.onDataReceived(() => {
    
});
radio.receiveNumber();
radio.receivedNumberAt(0);
radio.receivedSignalStrength();
radio.setGroup(0);
radio.setTransmitPower(0);