OTG Test For RF Explorer for Android

By Nuts About Nets Free

Developer's Description

We have identified 3 requirements for an Android device to support USB Host Mode and be able to communicate with an RF Explorer handheld spectrum analyzer:

[1] The Android device must be running version 4.1 (Jelly Bean) of the OS, or higher.

[2] The output power on the Android device's USB port should be 5V.

[3] The configuration file android.hardware.usb.host.xml must exist on the Android device in the folder /system/etc/permissions. The presence of this configuration file is what enables USB Host Mode on your Android device.

If you have an RF Explorer device and OTG cable then this app can be used to confirm whether your Android device meets the requirements above.

If you do not have an OTG cable and your Android device uses a micro-USB port, then we recommend this OTG cable from Lindy.com:


To learn more about USB Host Mode (Android) And The OTG Extension, please visit:


Full Specifications

What's new in version 1.01.6031


Release September 1, 2019
Date Added September 1, 2019
Version 1.01.6031

Operating Systems

Operating Systems Android
Additional Requirements Requires Android 4.1 and up


Total Downloads 3
Downloads Last Week 0
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