RAZUM

VECTRUM

Contains adsIn-app purchases

About this app

RAZUM is a professional RF network diagnostic tool for engineers, contractors, and network technicians. Built by VECTRUM in Australia.

WHAT RAZUM REVEALS

- Live RSRP, RSRQ, SINR, RSSI - LTE and 5G NR
- eNB ID and gNB ID decoded from Cell ID
- PCI conflict detection - correct per 3GPP standard
- 5G NSA layer with SS-RSRP and SS-SINR
- Carrier aggregation - CA bands, per-component bandwidth, total CA bandwidth
- EN-DC flag - LTE anchor + 5G NR
- PLMN decode - operator, country, roaming status
- MVNO/MNO identification - see your actual carrier relationship
- MOS quality score - Voice, Data, NR (Pro)
- Timing advance with distance-to-cell calculation
- Call drop and data drop detection with inferred root cause
- Session recording with geo-tagged export - CSV, KML, JSON, HTML (Pro)
- RAT lock - force device to specific radio access technology (Pro)
- Site data import - overlay planned vs live network (Pro)

RAZUM PRO
Unlock MOS scoring, session recording and export, RAT lock, and site data import.
AU$6.99 per month or AU$59.99 lifetime. No annual plan.

REMOVE ADS
Remove the ad banner for AU$1.99 per month while keeping the full free feature set.

PRIVACY
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.

RAZUM by VECTRUM.

What’s new

Fixes "Remove Ads" purchase not working. Adds in-app update notifications so you'll know when a new version is available.