Apparatus for preventing remote operation terminal from being mislaid, remote operation terminal, and system for preventing remote operation terminal from being mislaid

A system for preventing a remote operation terminal from being mislaid, the system comprising:

• a remote operation terminal that remotely operates a work machine driven via a PTO device in a vehicle;
• a transmission device that is provided to the remote operation terminal, and transmits a wireless signal when the remote operation terminal is in a power OFF state;
• a reception device that receives a wireless signal transmitted by the transmission device, the reception device being provided to the vehicle;
• a determination section that, when the PTO device is in an OFF state, determines whether a reception strength of the wireless signal received from the transmission device by the reception device is equal to or less than a prescribed threshold value;
• and
• a notification section that issues a notification when the reception strength is equal to or less than the prescribed threshold value.