1. Simple and efficient appearance, beautiful and generous | 2. Wide frequency band, high sensitivity, 100KHz-1000MHz (the original antenna is 400-470Mz, please use antennas with different frequencies to test signals at different frequencies for better results and sensitivity) | 3. Adjustable pointer amplitude (to protect the meter head) | 4. Built in automatic damping function, also known as buffering function, to prevent damage caused by rapid swing of the watch needle | 5. Test sensitivity: (1) 0.1W transmitter distance 0.1-1 meter (2) 2W/5W transmitter, 1-3 meter range (3) 10W transmitter distance 2-5 meter range (4) 50W approximately 3-10 meter range

1. POWER Power Supply Block available hard disk power supply, the card only 5V power supply, the normal operating voltage of 5V ± 0.25V. Operating current is less than 200mA. | 2. IDE socket please use 80 PIN hard drive cable. The card supports PIO, Multi-word DMA and Ultra DMA Host data transfer mode; | 3. SD socket supports up to 128GB SD card. | 4.Connect the power cable and IDE cable, insert SD card in the SD socket, the conversion board that is equivalent to an electronic hard disk, without having to install the driver. After installing the operating system, you can boot the operating system via an SD memory card (such as windows98, etc.). | The adapter card is to let you use this superior SD card connected to the standard ATA IDE interface, when the standard IDE storage device.