1、STABLE AND DURABLE: Spectrum analyzer module is made of good quality material, possess stable structure and long service life 2、SECURE AND RELIABLE: The signal source of the exclusive spectrum analyzer also comes with a tracking function, more secure to use 3、USB POWERED: Equipped with a USB interface, this signal source board also supports USB power supply, more convenient 4、EASY TO INSTALL: 35‑4400M spectrum analyzer module support simple installation, easy to use, suitable for DIY users 5、SUPPORT FOR NWT4.11.09 SOFTWARE: Computer using software for NWT4.11.09 version, analysis signal with tracking source, useful and practical Item Type: Spectrum Analyzer Module Properties: RF frequency domain analysis tool Interface: USB Power Supply: USB Standby Current: ≤100mA Sweep Current: ≤350mA Sweep Bandwidth: 33mHz-4400mHz Turn On Tracking Source Output Bandwidth: 33mhz-3000mhz Sweep Step: ≥ 33 ~ 68.75mHz / 125Hz, 68.75 ~ 137.5mHz / 250Hz, 137.5 ~ 275mHz / 500Hz, 275 ~ 550mHz / 1kHz, 550 ~ 1100mHz / 2kHz, 1100 ~ 2200mHz / 4kHz, 2200 ~ 4kHz Frequency Sweep Speed: ≥800 points/second Sweep Dynamic Log Ratio: > 50dB Spot Or Sweep Output Power: ≈0dBm Input Detection: ≤10dbm Background: ≈-60dBm Computer Using Software: For NWT4.11.09 version 1 x Module 1 x USB Cable