Subsite® Electronics offers a complete line of versatile, money-saving HDD Beacons. The new 15T, 17T and 19T beacons are available in one, three or four frequencies and deliver the versatility of three field-configurable power levels plus automatic tuning circuitry that adjusts to match the housing the operator is using. All Subsite HDD beacons are repairable—an industry exclusive—giving you substantial savings over beacon replacement costs.