ITEM NAME:2Pcs NA-771 SMA-Female dual band 10W antenna for Baofeng UV5R UV-8 OZ Specifications: The Nagoya NA-771 Whip Antenna will allow you to get longer range on your radio. This antenna features a 2.15 dB signal with up to 10W of power. Boost the signal of your radio significantly! It is 100% brand new! Frequency: 400-470ã€VHF136-174(MHz(MHz) Gain: 2.15 DBI/3.0 dB Max Power: 10Watts Impedance: 50 Ohms Length: 39.6 cm Color: black Package include:2 x NA-771 SMA Female Antenna.The Nagoya NA-771 Whip Antenna will allow you to get longer range on your radio. This antenna features a 2.15 dB signal with up to 10W of power. Gain: 2.15 DBI/3.0 dB. Color: black. Length: 39.6 cm.