These antennas and accessories are designed to give optimal performance for your two-way radio system, whether used in a mobile, base, or repeater configuration. ... CommScope DB404-B 450-470 MHz Folded Dipole Antenna 5dBi Gain. Regular price $599.99 View. CommScope DB408-B 450-470 MHz Folded Dipole Antenna 8.7dBi Gain. Regular price. View. SKU: 13-7023 Category: Handheld Receiving Antennas Tags: 70-1000 mhz, diamond, diamond RH799, telescopic antenna. Tweet This Product. Share on Facebook. Pin This Product..