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510A-BD Bi-Directional Antenna

510A-BD Bi-Directional Antenna

Part Number: 510300-102

The dBs 510A-BD is an 8 element, high performance, full service, all band, bi-directional Distance Measuring Equipment (DME) antenna.

This bi-directional antenna has 8 active elements and other components, which produce high main lobe and horizon gain with wide beam width.

The antenna is lightweight, small, and 100% metal tubular construction making it extremely rugged and lightning rod compatible. Optional pipe adapter permits attachment of the antenna to a 4″ O.D. pipe and optional plate adapter.

Two monitor probes are provided.

All 3 RF connectors use Type N Jacks.

It is interoperable with lightning rod assembly and/or dual obstruction lights.

The model dBs 510A-BD DME antenna has been designed for ruggedness, lightweight, minimum size, long life, and in accordance with FAA-E-2754 and FAA-G-2100. It also exceeds the requirements of the UK CAA specification.

dBs 510A-BD with Marine Option: The dBs 510A-BD Marine Version antenna is an optional upgrade as well. The RF transmission assembly is completely sealed and weatherproofed to protect in harsh environments such as salt water, extreme humidity, wind, sand, snow, and ice. Contact our factory for more details.

dB Systems Inc. offers DME repair and DME refurbishment at our facility. Contact us for a quotation.


Net Dimensions and Weight: 80” long, 3 1/4” O.D. radome, 15″ max antenna width and 7″ max antenna depth, has top cap, base flange, and reflector assembly; 22 lbs.

Gross Dimensions and Weight: 91″x 24″x 17″; 155 lbs.


Inches is denoted by (“)

Outside Diameter is denoted by (O.D)

Pounds is denoted by (lbs)