• TOP button of remote: CALL receiver 1
• BOTTOM button of remote: CALL receiver 2
• CENTER button: CANCELs the call from both the receiver indicators
• 2 indicator receiver with 10 BLUE indicators each
• 1 green light indicator for power supply (on indicator receiver)
• 1 buzzer, beeps when call button pressed
• Volume control in the receiver
• Remote has 1 red light indicator to indicate button press
Technical details:
• Remote transmitter PA +10dbm
• Receiver sensitivity: – 110dbm
• Operating frequency: 380 – 480 MHz
• System operates works on signal hop mechanism. Signal
transmission happens at more than 12-15 predefined frequencies
• Modulation type: GFSK
• Radio IC: CC1100 (Chipcon/TI) and other equivalents in sub-GHz
freq.
• Modulation: GFSK
• Data packet error correction mechanism: FEC