User's Guide
Table Of Contents
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negatives and generally should fall between -40 and -130. A score closer to zero indicates a stronger signal. For example, a
signal of -120 dB indicates no service, while a score of about -50 dB means you have excellent signal.
For specic dB signal measurements, use the methods below.
• iOS - First turn off your Wi-Fi, Next, open the Phone app an dial *3001#12345#* then press the call button. This will open
the Field Test app. Once open, menu navigation varies depending on iOS version, as well as, carrier and iPhone model;
however these instructions should get you to the right place.
• iOS 14 and later: Navigate to LTE in the menu list then tap on Serving Cell Meas. The measurements that read
“rsrp0” and “rspr1” are your cellular signal strength in decibel-milliwatts.
• If you’re using an earlier version of iOS, we have more information available here: https://blog.surecall.com/enter-
eld-test-mode-on-iphone-or-android-phones/
• Android devices: Download the app “Network Signal Info” in the Google Play store.
Step 2. Install the Outside Yagi Antenna and Outside Amplier
Before installing a Yagi, or directional antenna, note that the antenna should
be mounted on a pole or pipe (not provided), at the highest possible location
above the rooine – at least 25 ft above the indoor antenna – aimed in the
direction of your nearest cell tower. To nd the location of your carrier’s
closest cell tower, go to www.antennasearch.com.
Ensure that the mounting area has at least a 3 ft radius clear of obstructions,
other radiating elements and metal objects such as pipes or metal siding and
orient the antenna with the drip hole at the bottom.
Warning: Do not collocate antennas or operate the outdoor antenna with any other antenna or signal booster.
Yagi Antenna
Outside Amp
Yagi Antenna Assembly
Nut
Washer
U-bolt
Bracket
Drip Hole
RG6 Cable