?By using our 2pcs BOSCAM FPV Aerial Photography Mini 5.8GHz Male Mushroom Antenna Set・ you can greatly increase range and all direction reception of your RC helicopter. It makes your FPV system work better so that you don&acute;t get any blind spot in the sky. The special and unique mushroom design increases the efficiency of FPV system and allows you to get longer range when it is compared with those common antennas on the market. Have a try right now! The antenna set really makes a huge difference!                                    Features            Made of durable plastic material・ it features high quality and fine workmanshipWith stable performance・ it is practical and durableIt is designed to replace old or broken antenna of RC helicopterEasy to install and convenient to useDesigned for FPV applicationsOffer better look and excellent protectionMini mushroom design・ easy to set up and use                                                             Specifications             Material     Plastic    <br> Working Frequency     ISM 5.8GHZ    <br> Available Channel     8CH    <br> Transmission Distance     1.2km     <br> Transmit Power     28dBm＼1dBm     <br> Receiver Sensitivity    - 90dBm ＼ 2dBm    <br> Color     Light Gray    <br> Rx Length     3.15" / 8cm    <br> Tx Length     2.76" / 7cm    <br> Weight     2.25 oz / 64 g     <br>                                                             Package Includes            2 x Mushrooms Antennas<br>