A battery-powered wireless device for use in a load control system comprising at least one signal repeater (660a, 660B), said battery-powered wireless device comprising: a control circuit having an on state when it consumes power and an off state when it consumes less power than consumed in the on state; and a wireless receiver circuit operable to periodically check for wireless signals, the wireless receiver circuit having a detect threshold wherein the wireless receiver circuit is operable to determine whether a wireless signal exceeds the detect threshold, the receiver circuit operable to cause the control circuit to be in the on state in response to determining that a wireless signal exceeds the detect threshold; the control circuit is further operable to calculate a value of the detect threshold as a function of a magnitude of a signal strength of a received wireless signal transmitted by the nearest signal repeater (660A, 660B) and an average magnitude of a noise floor and to adjust the detect threshold of the wireless receiver circuit to the value, whereby the value of the detect threshold is greater than a noise floor to prevent noise signals from causing the wireless receiver circuit to turn on the control circuit thereby conserving battery power, wherein the wireless receiver circuit is further operable to provide the average magnitude of the noise floor and further provide the magnitude of the signal strength of the received wireless signal to the control circuit, and wherein the control circuit is operable to calculate the value of the detect threshold based on the average magnitude of the noise floor and the magnitude of the signal strength of the wireless signal received from the nearest signal repeater. a control circuit having an on state when it consumes power and an off state when it consumes less power than consumed in the on state; and a wireless receiver circuit operable to periodically check for wireless signals, the wireless receiver circuit having a detect threshold wherein the wireless receiver circuit is operable to determine whether a wireless signal exceeds the detect threshold, the receiver circuit operable to cause the control circuit to be in the on state in response to determining that a wireless signal exceeds the detect threshold; the control circuit is further operable to calculate a value of the detect threshold as a function of a magnitude of a signal strength of a received wireless signal transmitted by the nearest signal repeater (660A, 660B) and an average magnitude of a noise floor and to adjust the detect threshold of the wireless receiver circuit to the value, whereby the value of the detect threshold is greater than a noise floor to prevent noise signals from causing the wireless receiver circuit to turn on the control circuit thereby conserving battery power, wherein the wireless receiver circuit is further operable to provide the average magnitude of the noise floor and further provide the magnitude of the signal strength of the received wireless signal to the control circuit, and wherein the control circuit is operable to calculate the value of the detect threshold based on the average magnitude of the noise floor and the magnitude of the signal strength of the wireless signal received from the nearest signal repeater.