A wireless patient monitor comprising: a first sensor device configured to collect a first physiological information from a patient and produce a first digital physiological data, the first sensor device including a first sensor device housing and including a first connector on the first sensor device housing; a second sensor device configured to collect a second physiological information from the patient and produce a second digital physiological data, the second sensor device including a second sensor device housing and including a second connector on the second sensor device housing; wherein the first digital physiological data describes a different physiological parameter to the second digital physiological data; an activator module contained in a first activator module housing configured to directly connect with both the first sensor device housing and the second sensor device housing, exclusively one at a time, the activator module including: a universal connection port on the first activator module housing configured to directly mate with both the first connector and the second connector, exclusively one at a time; a battery; a radio transmitter wirelessly connected to a host device; and a display configured to display a detector status indicator; wherein the activator module is configured to provide power from the battery to the connected one of either the first sensor device or the second sensor device, to activate the connected one of either the first sensor device or the second sensor device and to receive digital physiological data from the connected one of either the first sensor device or the second sensor device via the connection between the universal connection port and the mated one of either the first connector or the second connector; and wherein the radio transmitter is configured to transmit the digital physiological data received from the sensor device to the host device; and wherein the detector status indicator is indicative of whether the connected one of either the first sensor device or the second sensor device is functioning and detecting physiological information. a first sensor device configured to collect a first physiological information from a patient and produce a first digital physiological data, the first sensor device including a first sensor device housing and including a first connector on the first sensor device housing; a second sensor device configured to collect a second physiological information from the patient and produce a second digital physiological data, the second sensor device including a second sensor device housing and including a second connector on the second sensor device housing; wherein the first digital physiological data describes a different physiological parameter to the second digital physiological data; an activator module contained in a first activator module housing configured to directly connect with both the first sensor device housing and the second sensor device housing, exclusively one at a time, the activator module including: a universal connection port on the first activator module housing configured to directly mate with both the first connector and the second connector, exclusively one at a time; a battery; a radio transmitter wirelessly connected to a host device; and a display configured to display a detector status indicator; wherein the activator module is configured to provide power from the battery to the connected one of either the first sensor device or the second sensor device, to activate the connected one of either the first sensor device or the second sensor device and to receive digital physiological data from the connected one of either the first sensor device or the second sensor device via the connection between the universal connection port and the mated one of either the first connector or the second connector; and wherein the radio transmitter is configured to transmit the digital physiological data received from the sensor device to the host device; and wherein the detector status indicator is indicative of whether the connected one of either the first sensor device or the second sensor device is functioning and detecting physiological information.