Specification: Display size: 4 TFT LCD (480320) Max low input frequency: 800MHz, 6GHz in Ultra mode Resolution filters in 1,3,10 steps: from 200Hz to 850kHz Max output frequency: Sinus up to 800MHz, Square wave up to 4.4GHz Output level: -104dBm to -16dBm Ultra mode: Level calibrated up to 5.3GHz Internal LNA gain: 20dB up to 4GHz Displayed points per scan: max 450 0-350MHz scan time: 165ms Shortest zero span time: 17ms DANL at 100MHz: -153dBm/Hz (LNA Off) / -169dBm/Hz (LNA On) DANL degrading in ultra mode: 10dB above 2.5GHz, 25dB above 5.3GHz Phase noise at 10kHz offset: -92dBc/Hz Phase noise at 100kHz offset: -110dBc/Hz Input 1dB compression level: +0.5dBm (LNA Off) / -26.5dBm (LNA On) IIP3 without LNA: +18dBm (at least 2MHz apart) / 0dBm (500Hz apart) IIP3 with LNA: -8dBm (at least 2MHz apart) Frequency stability: <1ppm ( -10 ~ +55) SD card slot: micro SD card Audio out: 3.5mm headphone plug FW update mode activation: Push jog button before switch on Maximum current consumption: 330mA Maximum charging current: 1300mA Battery: Li-polymer 3.7V 3000mAh RF connectors: SMA female Communication Interface: USB-CDC(Type-C)UART-TTL(2.54mm Connector) Appearance Size: 117x72x23mm (Excluding protruding parts) Note: The color might be a little different from the actual product due to color display of different monitors. Please allow 1-3 cm error. Packing Included: 1pc of Host (with 3000mAh battery, 4"display) 1pc of USB Type-C data cable 2pcs of 30cm ALSR100 SMA cables 1pc of SMA-SMA barrel connector 1pc of Antenna with SMA connector 1pc of Lanyard and touch plectrum 1pc of 32GB MicroSD card(plugged in the host)