Technical Information; Theory Of Operation - Noraxon Ultium Motion Hardware User Manual

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Ultium Motion Hardware User Manual

12 Technical Information

The Ultium wireless system is based on a pre-certified transceiver module. This radio module operates

in the 2.4 GHz bands with an output power level of < 100 mW and is based on a proprietary frequency

hopping protocol.

Part 870/876 Ultium Motion & Ultium CORE Motion Sensor

Each Ultium Motion Sensor transmitter module (Ultium Motion Sensor, #870, & Ultium CORE Motion

Sensor, #876) incorporates one transceiver module together with an analog front end and supporting

circuitry. The #870 & #876 Ultium Motion Sensors are powered by one 150mAh battery; each is

identified by a unique serial number.

The opposite end of the #870 & #876 Ultium Motion Sensors have 4 contact pads for recharging its

battery and communication. To recharge the battery, the #870 & #876 Ultium Motion Sensors are

placed inside a docking station. The device cannot be applied to the patient/subject and charged at the

same time.

Part 873 Ultium Sensor Charger

The Ultium Sensor Charger (part #873) is configured to hold up to nine (9) #870 or #876 Motion

Sensors. All battery-charging controls are inside the sensor modules. The docking station merely

supplies a 5VDC source of power through a set of spring-loaded pins. The spring-loaded pins contact

the charging pads of the #870 & #876 Motion Sensors. The 5VDC supply is a medical grade external

power supply by Globtek (model GTM41060)

Part 880 Ultium Receiver

The Ultium Receiver (part #880) consists of a main motherboard and a radio transceiver module. The

Ultium Receiver has no applied parts.

The Ultium Receiver interfaces to a PC and is powered via a USB port.

The transceiver in the #880 Ultium Receiver can communicate with up to sixteen (16) #870 Ultium

Motion Sensors or #876 CORE Motion Sensors.

(Rev B)

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