Telecom Tools
5G NR, 4G LTE, 3G UMTS, NB-IoT calculators and RF conversions. All calculations run 100% client-side, no data transmitted. Formulas compliant with 3GPP Release 18 specifications.
Updated March 2026 · 3GPP TS 38.306, 38.214, 38.104, 36.306, 36.101
Frequently Asked Questions
What telecom tools are available for free?
How do you calculate the theoretical 5G NR throughput?
What is the difference between EARFCN and NR-ARFCN?
How does the Link Budget calculator work?
What is GSCN in 5G NR?
How do you identify a PCI conflict between neighbor cells?
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In-Depth Guides & Reference Pages
Dedicated pages with full 3GPP derivations, worked examples, interactive calculators, and field capture instructions.
SS-RSRP & CSI-RSRP, reporting index to dBm, quality bands per TS 38.133.
SS-RSRQ & CSI-RSRQ, dB range, interference sensitivity per TS 38.133.
SS-SINR & CSI-SINR, reporting range, throughput correlation per TS 38.133.
NR-ARFCN to frequency (FR1 & FR2), piecewise raster, band detection per TS 38.104.
GSCN to SSB frequency and back, three-range formula per TS 38.104 §5.4.3.
Peak throughput per TS 38.306: CA, MIMO layers, SCS, TDD pattern, overhead.
5G NR link budget with UMa/UMi/RMa propagation models and max coverage distance.
Complete MCS table for 5G NR and 4G LTE, code rate derivation, SINR thresholds.
PCI conflict and confusion detection, mod-3 and mod-30 rules, neighbor planning calculator.
Wavelength, gain, effective area, half-wave dipole from frequency.
Free-space, Okumura-Hata, COST-231 propagation models.
1st and 2nd Fresnel zone radius, required clearance for line-of-sight links.
Coaxial cable attenuation by type, frequency and length.
VSWR, return loss, mismatch loss, reflection coefficient.
Thermal noise floor from bandwidth and noise figure (kTBF).
Convert between SNR and Eb/N0, BER thresholds, Shannon capacity.
SINR to MCS index, spectral efficiency and achievable throughput.
Convert between dB, dBm, mW, dBW, dBi, dBd and calculate EIRP/ERP.
All methods to unlock the DIAG port on Qualcomm Android devices.
Dialer codes and ADB steps for Samsung Galaxy devices with Qualcomm SoC.
ADB and developer options method for Pixel phones (Pixel 6 to Pixel 9).
Dialer code and engineering mode access for OnePlus devices.
HiCellTek displays in real-time the EARFCN, band, frequency, PCI and all RF indicators for every detected 4G/5G cell. Ideal for network audits, drive tests and indoor diagnostics.
Free telecom tools: calculateur débit 5G NR · calculateur throughput LTE · EARFCN calculator · NR-ARFCN converter · GSCN calculator 5G · link budget 5G NR · link budget 4G LTE · FSPL calculator · EIRP calculator · dBm to mW converter · dBm to Watt · dB to ratio · PCI conflict detector · neighbor planning 5G · timing advance calculator · TBS calculator 5G NR · cell identity NCI · ECI calculator LTE · UE category LTE · spectral efficiency calculator · QoS 5QI table · QCI reference table · NB-IoT link budget · RSRP coverage simulator · 3G UARFCN calculator · CCE PDCCH calculator · RS power calculator LTE · SSB power calculator 5G · bandwidth calculator · free space path loss · ppm to Hz converter · 3GPP TS 38.306 · 3GPP TS 36.306 · 3GPP TS 38.214 · 3GPP TS 38.104 · 3GPP TS 36.101 · 3GPP TS 23.501 · 3GPP TS 23.203
Use these calculations in the field
HiCellTek integrates all these parameters in a single Android app. RF monitoring, L3 decoding and QoE in real time.
- ✓ RSRP, RSRQ, SINR in real time
- ✓ EARFCN & bands auto-detected
- ✓ CSV, QMDL, Excel export