ElectroRef

ElectroRef is a fully offline reference tool for electrical engineers, network installers, and IT technicians. No internet required — all data is stored on your device.

Reference Library Browse structured articles across 8 categories:

Electricity — Ohm's Law, power formulas, voltage drop, wire cross-sections
Networks — IPv4 subnets, CIDR, TCP/UDP ports, Ethernet speed standards
Cables & Connectors — Cat5e/6/6A specs, AWG table, RJ45 pinout (T568A/B)
Wi-Fi / Radio — 2.4 GHz & 5 GHz channels, dBm signal levels, DFS bands
Fiber Optics — single-mode/multi-mode, connector types, attenuation
Electronics — resistor color codes, capacitor markings, IC packages
Safety — electrical safety regulations, grounding, PPE requirements
Tools — cable tester usage, multimeter basics, crimping standards
Converters & Calculators

Voltage/Current/Resistance/Power (Ohm's Law)
dBm ↔ mW signal power
MHz ↔ GHz frequency
Frequency → Wavelength (λ = c/f)
AWG ↔ mm² wire gauge
Feet ↔ Meters
IP Subnet Calculator (network, broadcast, host range, mask, wildcard)
Features ✓ 100% offline — works without internet ✓ Favorites — bookmark articles and calculators ✓ Full-text search across all content ✓ Calculation history per calculator ✓ Light / Dark / System theme ✓ Metric and Imperial unit modes ✓ Available in English, Russian, Ukrainian ✓ No ads, no accounts, no tracking ✓ Material You design

Privacy ElectroRef collects no personal data. All favorites and history are stored locally on your device only.