Features: Broadband coverage: This vector networks analyser has a wide coverage ranges, covering high frequency/medium frequency/low frequency/UltraHighFrequency/very high frequency bands, from 50KHz to 4.4GHz, and can meet the testing needs of most frequency ranges. High precised analysis: With a dynamic ranges of up to 100dB, it can provide accurate signal measurement and analysis results. Large screen display: Equipped with a 7-inch large screen, the display interfaces is clear and easy for users to observe and analyze test results. Vector networks analysis: supports vector networks measurement and can be used to evaluate and optimize the performances and stability of various radio frequency and microwave circuits. Dynamic analysis function: With a dynamic ranges of up to 100dB, the analyzers can accurately measure weak signals and analyze their performances indicators. Specifications: Material: Plastic+Metal Size: Approx. 190x130mm/7.48x5.12inch(without RFinterfaces size) Model: SV4401A Frequency ranges: 50KHz-4.4GHz Radio Frequency output power: -42dBm to -12dBm (1dB step) Radio Frequency interfaces form: N-type female connector Radio Frequency input power: up to 0dBm (less than DC5V) Scan speed: 400points/second (f>140MHz) Storage capacity: Built-in 8GB memory card Display: 7" high brightness LCD display (resolution: 1024x600) Operation Modes: Capacitive Touch + Physical Button Power consumption: 5W Battery life: 4hrs(half brightness) Battery: built-in 2x18650 batteries (3.6V/3350mAhx2) Charging voltage: 4.7V-5.5V (5V/2A charging recommended) Power output: USB 5V1A Working temperature: 0℃~45℃ Package Includes: 1x SV4401A Handheld Vector Networks Analyser 2x N to SMA Adapters 1x SMA Open/Short/Load Calibration Kit 2x SMA Double Female Straight Adapters 1x SMA Double Male Straight Connector 2x 50cm/19.7" RG316 Cable 1x Type C Cable 1x Storage Bag note: More detail information please refer to pictures. Please allow for slight color differences due to different display resolution.