Originally Published MPMN October 2005

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Small Modem Uses Low Power, Yet Offers High Performance

A modem that consumes little power enables small-footprint devices to communicate data. The Half-Inch Modem from Radicom Research Inc. (San Jose) is a self-contained TTL interface voice/data/fax modem module. It provides medical device designers the flexibility to include modem functionality in system products with minimal engineering resources.

The modem is suitable for such applications as instrumentation for patient monitoring. For example, a device can measure the blood sugar level in a diabetic patient, and then transmit the data using the modem from the patient's home to his or her doctor's office.

The unit has a built-in data pump and modem controller. Measuring 1 X 1 X 0.3 in., with a -40° to 85°C operating temperature, it is controlled by standard AT commands. Handset interrupt and connection detection features allow the modem to share a phone line with other equipment, eliminating the cost of a dedicated phone line.

"The Half-Inch Modem's small footprint and ease of use enables designers to provide connectivity to their applications in a very small space, adding value to products with its advanced communications features," says Alex Tsau, the company's vice president of operations.

Susan Shepard

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