The TSA4G1 from Triarchy Technologies is a low-cost Mini Spectrum Analyzer that operates from 1 MHz to 4.15 GHz. This compact analyzer can be controlled via a USB port and can carry out most basic measurements done by benchtop analyzers. It can handle an input power of up to 1 Watt and has a noise level as low as -110 dBm.
This analyzer can be remotely controlled from far end computer via the internet. It can be used to monitor RF signal and is suitable for field test, and EMC test with near field probe. The device is available in a module that measures 87.5 (L) x 23 (W) x 15 (H) mm and is ideal for wireless remotes, cordless phones, wireless monitors, ATE system, education, cellular and PCS, two-way radio, trunk radio, Bluetooth, WiFi, WiMax, field service and installation, and ISM band applications.