Small and practical: The magnetic field antenna is small in size, compact in structure, good in stability, easy to install and easy to use, and is a practical accessory. Large heat dissipation: The PCB near-field antenna has a large heat dissipation area, and has a longer service life and longer service life. So we believe that you will feel at ease with the product because of its stable functionality. Easy to use: The electric field antenna is very reliable to find interference sources, with high precision, high resolution and easy to use.With high performance, the electric field antenna is definitely your best choice. PCB near field antenna with good current flow. Frequency range: 0.1mhz-6000MHzInterface: SMA outer screw inner holesize:110x12.5MMMaterial:PCBcolour:black greenPackage Contents:1 * Small ProbeOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.