Before purchasing a mobile signal booster, it’s essential to know which frequency bands your mobile carrier uses in your region. Using the wrong frequency booster will result in no signal improvement.
Android:
Dial *#0011# or *#*#4636#*#* to enter Service/Test Mode. Look for “Band” or “Frequency.”
iPhone:
Dial *3001#12345#* → Press call → Tap “Serving Cell Info” → Find “Freq Band Indicator.”
[LTE Discovery (Android)]
[OpenSignal (iOS & Android)]
This table helps you identify which frequency bands are used by major mobile operators around the world. Use this to choose a compatible signal booster for your region.
| Region | Operator | 2G (GSM) | 3G (UMTS) | 4G LTE Bands | 5G NR Bands |
|---|---|---|---|---|---|
| Europe | Vodafone | 900, 1800 | 2100 | 3, 7, 20 | n78, n1 |
| Naranja | 900, 1800 | 2100 | 3, 7, 20 | n78, n3 | |
| O2 | 900, 1800 | 2100 | 1, 3, 7, 8, 20 | n1, n28, n78 | |
| Three | — | 2100 | 3, 20 | n78 | |
| Bouygues | 900, 1800 | 2100 | 3, 7, 20 | n78 | |
| Telekom.de | 900, 1800 | 2100 | 3, 7, 20 | n78, n1 | |
| North America | AT&T | 850, 1900 | 850, 1900 | 2, 4, 5, 12, 17 | n5, n77 |
| Verizon | 850 | 850 | 2, 4, 13 | n260, n261, n77 | |
| T-Mobile US | 1900 | 1700/2100 | 2, 4, 12, 66, 71 | n41, n71 | |
| Rogers (CA) | 850, 1900 | 850, 1900 | 4, 7, 12 | n66, n78 | |
| Bell (CA) | 850, 1900 | 850, 1900 | 2, 4, 7 | n66, n78 | |
| Telus (CA) | 850, 1900 | 850, 1900 | 2, 4, 7 | n66, n78 | |
| Asia-Pacific | Jio (India) | 1800 | — | 3, 5, 40 | n78 |
| China Mobile | 900, 1800 | 2100 | 1, 3, 41 | n41, n78 | |
| NTT Docomo | 800, 1800 | 2100 | 1, 3, 19 | n78, n79 | |
| SK Telecom | 1800 | 2100 | 3, 8 | n78 | |
| Optus (AU) | 900, 1800 | 2100 | 3, 7, 28 | n78 | |
| Telstra (AU) | 850, 1800 | 2100 | 3, 7, 28 | n78 | |
| Middle East | Etisalat (UAE) | 900, 1800 | 2100 | 3, 7, 20 | n78 |
| STC (KSA) | 900, 1800 | 2100 | 3, 8 | n78 | |
| du (UAE) | 900, 1800 | 2100 | 3, 7 | n78 | |
| Mobily (KSA) | 900, 1800 | 2100 | 3, 7 | n78 | |
| Zain (KSA) | 900, 1800 | 2100 | 3, 7, 8 | n78 | |
| Ooredoo (QA) | 900, 1800 | 2100 | 3, 8 | n78 | |
| South America | Claro | 850, 1900 | 850, 1900 | 2, 4, 7, 28 | n78 |
| Movistar | 850, 1900 | 850, 1900 | 2, 4, 7, 28 | n28, n78 | |
| Vivo | 850, 1800 | 2100 | 1, 3, 7, 28 | n78 | |
| Oi | 900, 1800 | 2100 | 3, 7, 28 | n78 | |
| Entel (Chile) | 850, 1900 | 2100 | 4, 7, 28 | n78 | |
| Personal (AR) | 850, 1900 | 2100 | 4, 7 | n78 | |
| Africa | MTN | 900, 1800 | 2100 | 3, 7, 20 | n78 |
| Vodacom | 900, 1800 | 2100 | 3, 8, 20 | n78 | |
| Airtel Africa | 900, 1800 | 2100 | 1, 3, 8 | n78 | |
| Safaricom | 900, 1800 | 2100 | 3, 7 | n78 | |
| Orange Egypt | 900, 1800 | 2100 | 3, 8 | n78 | |
| Telkom Kenya | 900, 1800 | 2100 | 3, 7 | n78 |
Ensure your booster matches the exact frequency bands your carrier uses. For example:
If your phone uses Band 20 (800 MHz) y Band 3 (1800 MHz), your booster must support those bands.
For 5G, most common bands are n78, n77, n41, n28.
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