ETM770 Handheld Cellular Signal Analyzer User Guide
The ETM770 Handheld Cellular Signal Analyzer user manual provides instructions on using the analyzer to measure 2G/3G/4G/Cat M1/Cat NB networks. The analyzer comes in three versions: ETM770-LTE, ETM770-IoT, and ETM770-PRO, supporting multiple LTE bands and GNSS. The manual includes information on scanning signals, sending data to the server, and communication testing. Users can also configure various settings related to device data, APN, user/password, server address, and device restart. PIN DISABLED SIM cards are required for use.