# RAZUM

> RF network diagnostics. Decode RSRP, PCI, eNB, MOS scores. For engineers.

Canonical page: [https://chrome-stats.com/d/au.com.vectrum.razum](https://chrome-stats.com/d/au.com.vectrum.razum)

## Overview

- **ID:** `au.com.vectrum.razum`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** VECTRUM
- **Category:** TOOLS
- **Downloads:** 29
- **Version:** 2.0.3
- **Last updated:** 2026-08-28
- **First published:** 2026-06-17
- **Publisher country:** AU
- **Size:** 12 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=au.com.vectrum.razum)
- **Website:** [https://vectrum.com.au](https://vectrum.com.au/)
- **Privacy policy:** [https://vectrum.com.au/privacy](https://vectrum.com.au/privacy)

## Description

RAZUM is a professional RF network diagnostic tool for engineers, contractors, and network technicians. Built by VECTRUM in Australia.<br><br>WHAT RAZUM REVEALS<br><br>- Live RSRP, RSRQ, SINR, RSSI - LTE and 5G NR<br>- eNB ID and gNB ID decoded from Cell ID<br>- PCI conflict detection - correct per 3GPP standard<br>- 5G NSA layer with SS-RSRP and SS-SINR<br>- Carrier aggregation - CA bands, per-component bandwidth, total CA bandwidth<br>- EN-DC flag - LTE anchor + 5G NR<br>- PLMN decode - operator, country, roaming status<br>- MVNO/MNO identification - see your actual carrier relationship<br>- MOS quality score - Voice, Data, NR (Pro)<br>- Timing advance with distance-to-cell calculation<br>- Call drop and data drop detection with inferred root cause<br>- Session recording with geo-tagged export - CSV, KML, JSON, HTML (Pro)<br>- RAT lock - force device to specific radio access technology (Pro)<br>- Site data import - overlay planned vs live network (Pro)<br><br>RAZUM PRO<br>Unlock MOS scoring, session recording and export, RAT lock, and site data import.<br>AU$6.99 per month or AU$59.99 lifetime. No annual plan.<br><br>REMOVE ADS<br>Remove the ad banner for AU$1.99 per month while keeping the full free feature set.<br><br>PRIVACY<br>RAZUM does not collect, transmit, or sell any personal data. No IMSI. No ICCID. No phone number accessed. All processing is on-device. No account required.<br><br>RAZUM by VECTRUM.

## Rankings

- #2,468,219 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_COARSE_LOCATION`
- `android.permission.ACCESS_FINE_LOCATION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.CHANGE_NETWORK_STATE`
- `android.permission.CHANGE_WIFI_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_LOCATION`
- `android.permission.INTERNET`
- `android.permission.MODIFY_PHONE_STATE`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_PHONE_STATE`
- `android.permission.READ_PRECISE_PHONE_STATE`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `au.com.vectrum.razum.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.gms.permission.AD_ID`

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Source: [Chrome-Stats](https://chrome-stats.com/d/au.com.vectrum.razum)