Features:High quality high-gain whip antenna; 3.2dBi(VHF)/5.6dBi(-UHF); Expand the scope of two-way broadcasting.This portable dual-band UHF+VHF antenna is scalable and can be shortened and expanded; Easy to pack and carry in outdoor activities; Scalable design provides you with more convenience.SMA-F antenna is suitable for RT5R RT6 RT7 RT29 two-way raidos and other antennas with SMA-M connectors.Connector type: SMA-F (female).Frequency: dual-band UHF+VHF. Specifications:Frequency: 144/430MHzGains: 3.2dBi (VHF)/5.6dBi (-UHF).Power: 50Watts.5. SWR: less than 1.5Impedance: 50ohm.Diameter: 0.5cmLength of telescopic antenna (including basic length): 24.5cm/9.6'' (retracted)/85cm/33.46'' (full length).Length of ordinary antenna (including basic length): 22.5cm/8.86''. Note:Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:1x Antenna