Features: This antenna set is made of ABS and metal,it's solid and durable. It's a good part replacement,fit for Hackrf PORTAPACK H2. The product contains five pieces, which can better improve the signal reception. These five pieces are lightweight and easy to install. Thw 433 Mhz Antenna is low signal attenuation, strong anti-interference,high signal quality,easy to operate and install. Package Includes: 1 x 3G Antenna 1 x Whip Antenna 1 x 35Db 433MHz Antenna 1 x USB Cable Specifications: Colour:Black Material:ABS,Metal Whip Antenna Length:Approx.13.2cm/5.19in Net Weight:300g 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.