SINCLAIR's SD314-HF3P2LDF(D00) 450 – 512 MHz, four-dipole tetra antenna, 7 dBd, bidirectional, low PIM, heavy-duty wind rating, and 200 W power handling. The SD314-HL series is an extremely rugged four-bay exposed dipole antenna designed for applications where the moderate gain is required. These premium quality antennas are well suited to public safety applications.