1. Supports USB power supply, with a wide output frequency range (35MHz-4400MHz), meeting various application scenarios. 2. Built in simple signal generator, convenient for testing the frequency amplitude characteristics of the AC channel of the equipment. 3. The keyboard design is user-friendly, with 15 function keys supporting precise frequency adjustment and emission control. 4. Provide four step modes (1K/10K/100K/1M) for quick or fine adjustment of frequency output. 5. Low power design, standby current less than 25mA, suitable for long-term use and portable Color: As Shown Material: Plastic+Metal Package Contents: 1* signal generator 1* power meter 1* antenna 1* data line 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.