A trap or a bait box (101, 106, 116, 412) for pest control comprising a monitoring unit (104, 111), wherein the monitoring unit (104, 111) is configured for being powered by battery and for wireless communication with other units ("1", "2", "3", "4", 401, 501) in a data network, comprising: a sensor (112, 113, 119, 404, 604) for detecting an event in the trap or bait box (106, 116, 412) for pest control and for emitting a sensor signal; a radio transceiver; and a control unit (11, 405) configured for executing, via the radio transceiver, wireless communication for transmitting a report with information from the sensor signal and for functioning as repeater; wherein the control unit (11, 405) is further configured for: executing the wireless communication within a normal mode (201, 602) with a nominal power consumption; subsequently putting the trap or bait box (101, 106, 116, 412), comprising the radio transceiver, in a sleep mode (202, 602) in which the wireless communication via the data network is suspended, and, following the course of a predetermined time interval running during the sleep mode (202, 602), setting the trap or a bait box (101, 106, 116, 412) back to the normal mode (201, 601), wherein the sleep mode (202, 602) has a power consumption which is intentionally lower than the nominal power consumption; characterised in that the control unit (11, 405) has a timer and, in the normal mode (201, 601), starts its timer ("TIMER1") when receiving, via the radio transceiver, a predetermined sleep signal and puts the trap or bait box (101, 106, 116, 412) in its sleep mode (202, 602) in which the timer continues to run until expiry of the timer when the trap or bait box wake up to its normal mode and the radio transceiver is again activated, wherein the data network is a MESH network, such that reliable and continuous wireless reporting from the trap or bait box is ensured. a sensor (112, 113, 119, 404, 604) for detecting an event in the trap or bait box (106, 116, 412) for pest control and for emitting a sensor signal; a radio transceiver; and a control unit (11, 405) configured for executing, via the radio transceiver, wireless communication for transmitting a report with information from the sensor signal and for functioning as repeater; wherein the control unit (11, 405) is further configured for: executing the wireless communication within a normal mode (201, 602) with a nominal power consumption; subsequently putting the trap or bait box (101, 106, 116, 412), comprising the radio transceiver, in a sleep mode (202, 602) in which the wireless communication via the data network is suspended, and, following the course of a predetermined time interval running during the sleep mode (202, 602), setting the trap or a bait box (101, 106, 116, 412) back to the normal mode (201, 601), wherein the sleep mode (202, 602) has a power consumption which is intentionally lower than the nominal power consumption; characterised in that the control unit (11, 405) has a timer and, in the normal mode (201, 601), starts its timer ("TIMER1") when receiving, via the radio transceiver, a predetermined sleep signal and puts the trap or bait box (101, 106, 116, 412) in its sleep mode (202, 602) in which the timer continues to run until expiry of the timer when the trap or bait box wake up to its normal mode and the radio transceiver is again activated, wherein the data network is a MESH network, such that reliable and continuous wireless reporting from the trap or bait box is ensured. executing the wireless communication within a normal mode (201, 602) with a nominal power consumption; subsequently putting the trap or bait box (101, 106, 116, 412), comprising the radio transceiver, in a sleep mode (202, 602) in which the wireless communication via the data network is suspended, and, following the course of a predetermined time interval running during the sleep mode (202, 602), setting the trap or a bait box (101, 106, 116, 412) back to the normal mode (201, 601), wherein the sleep mode (202, 602) has a power consumption which is intentionally lower than the nominal power consumption; characterised in that the control unit (11, 405) has a timer and, in the normal mode (201, 601), starts its timer ("TIMER1") when receiving, via the radio transceiver, a predetermined sleep signal and puts the trap or bait box (101, 106, 116, 412) in its sleep mode (202, 602) in which the timer continues to run until expiry of the timer when the trap or bait box wake up to its normal mode and the radio transceiver is again activated, wherein the data network is a MESH network, such that reliable and continuous wireless reporting from the trap or bait box is ensured.