1. Use the magnetic ring of Micrometals; 2. High launch efficiency: 80 m/60 m/40 m/30 m/20 m can be adjusted to more than 80%; 3. The TX efficiency is 5-6W at 12V input and not more than 6.5W at 13.8V input. The magnetic loop winding can be adjusted; 4. noise (above - 106dBm) is the products on the market; error sideband suppression is more than 30dB; 5. Harmonic suppression - 43dB or better; 6. New appearance design, the upper and lower cover plates use PCB, the font is clearer, the size is adjusted by the structural , and the assembly space is even and beautiful; 7. Optimize PCB board, reduce the possibility of soldering, and have a higher service life; 8. The display accuracy such as efficiency and standing wave is optimized, and the data is more . Colour:black Material:plastic Package Contents: 1 x usdx Transceiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.