User's Guide

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B-50KR User Guide
STEP 1. Find the Strongest Signal
1-1. Using an iPhone
Dial *3001#12345#*, then press Call.
1-2. Using an Android
Download the ‘Network Signal info” from the Google Play store.
After installing, you will be able to view your dB strength.
1-3. Using a Meter
If you have a meter that detects and displays the current signal levels, you can use it.
Installation Guide