Frequency range: 10kHz - 1.5GHz Measurement range: 70dB (50k-300MHz) / 60dB (300M-900MHz) / 40dB (0.9G-1.5GHz) output: 0dBm (±2dB, fundamental frequency) Frequency accuracy: Less than 2ppm Port VSWR: Less than 1.1 Display screen: 3.95-inch TFT (480x320) Touchscreen: Maximum 401 scan points (unlimited for PC connection) Power supply: USB Type-C / Built-in 2000mAh lithium battery Full-band coverage: Supports MF/HF/VHF/UHF, meeting measurement needs from shortwave to ultra-high frequency. Multi-mode analysis: S-parameters, VSWR, phase, group delay, chart, time-domain reflectometry. High and stability: Frequency stability Less than 0.5ppm, fundamental output accuracy ±2dB. Portable design: Built-in battery for extended battery life, with a Type-C interface for worry-free field operations. High-efficiency scanning: Scanning speed 600 points/second (=4000Hz), supports 8 markers + 4 trajectory displays. (The product printed words depending on the batch, but this does not affect use) Color: Black Material: Metal+Plastic Package Contents: 1 x -H4 host (including 2000mAh battery) 1 x USB Type-C data cable 1 x Type-C to Type-C data cable (25cm) 2 x SMA male-to-male wire (RG316, 15cm) 1 x SMA calibration kit (O/S/L, male) 1 x SMA female-to-female connector 1 x stylus+lanyard 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.