1、Adopts 6mm thick PCB double sided material, which is more sturdy and durable, and has a long service life 2、The large heat dissipation area does good to maintain stability even in long term operation, and the operation time is longer 3、Easy to use, not only has good running performance, but also has a small size, which is very easy to carry and store 4、Strictly following the industry standards and controlling the quality to meet your higher requirements 5、After beening carefully crafting, not only having a classic appearance, but also has a high cost performance 1 x Directional Antenna Board Item Type: Directional Antenna BoardMaterial: PCBPurpose: Directional antennaColour: BlackWorking Frequency: 915MHzAntenna Gain: 7.5dBiVibrator Type: DipolePolarization Form: Linear polarizationAntenna Impedance: 50ΩStanding Wave Ratio: < 2.0Antenna Connector: SMA-K (Outer screw inner hole)