Scorpio SR-I900R RFID Security System The SR-i900R is a new generation two-way FM security system offering hands-free RFID technology. Simply walk towards or away from your bike, and the remote transceiver will automatically communicate an arm or disarm command using its proximity recognition system. This unique auto-arm and hands-free disarm operation provides the highest standard of security and convenience. Standard features include:. RF-ID for hands-free operation.