The U3800 is available in three configurations with varying frequency ranges and price points, allowing customers to select the product that best meets their needs. Key Features and Specifications Configurations - U3841, U3851, U3872 Frequency Range - U3841: 9k~3GHz, U3851: 9k~8GHz, U3872: 9k~43GHz RF Input - 2 channels (simultaneous phase measurement possible) Analysis Functions - power vs. time, frequency vs. time, phase vs. time, IQ vs. time, high-speed Fourier transform analysis, etc Channel Balance - ±2.0dB Phase Measurement - 15deg(CBW 100kHz/1msec per 1GHz) 联系人：姚小姐：电话 QQ: 廖先生 QQ： 公司：深圳市迈凯瑞仪器仪表有限公司