Global iPhone travel tool01
iPhone Carrier Support Checker
Compare 5G, eSIM, LTE, VoLTE and Wi-Fi Calling support across major carriers in seven countries.
Open tool ›Network tools
Free iPhone network planners, troubleshooting and RF tools.
Plan travel connectivity, diagnose mobile failures, create support reports and calculate radio links directly in your browser.
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Private screenshot analyzer02
iPhone Signal Doctor
Read a Field Test screenshot locally and diagnose signal power, radio quality, interference and likely next steps.
Open tool ›International iPhone planner03
iPhone Travel Connectivity Planner
Combine iPhone capability, trip length and data needs into an arrival-ready mobile connection plan.
Open tool ›Interactive recovery guide04
No Service & SOS Only Troubleshooter
Separate likely coverage, outage, SIM, roaming, settings and device causes with a practical decision tree.
Open tool ›Roaming data budget05
Travel Data & Roaming Calculator
Turn travel days and mobile activities into a realistic eSIM or roaming data allowance.
Open tool ›Shareable evidence06
Mobile Network Report Generator
Create a clean, printable record of weak signal, slow data, dropped calls or an indoor coverage gap.
Open tool ›RF engineering workspace07
Cellular Link Budget Calculator
Estimate received power, available margin and whether an ideal RF link clears a required fade allowance.
Open tool ›Offline-ready route plan08
Road Trip Connectivity Planner
Plan offline maps, check-in intervals, power, backup communications and data needs for an urban or remote route.
Open tool ›Outage likelihood check09
Carrier Outage Troubleshooter
Triage calls, SMS and data failures before resetting settings or replacing a SIM unnecessarily.
Open tool ›iPhone signal tool10
iPhone Signal Strength Checker
Interpret an RSRP or RSSI reading in dBm and see whether it is excellent, good, fair, weak or very weak.
Open tool ›Radio quality analyzer11
RSRP, RSRQ & SINR Analyzer
Compare received power, signal quality and interference instead of judging the connection from one number.
Open tool ›Field Test Mode12
iPhone Field Test Decoder
Turn LTE or 5G Field Test Mode readings into a clear power, quality and interference summary.
Open tool ›Coordinate distance13
Cell Tower Distance Calculator
Measure straight-line distance between your coordinates and a tower in kilometers and miles.
Open tool ›Mobile data planner14
Mobile Data Usage Calculator
Estimate weekly and monthly mobile data consumption in MB and GB from your everyday phone use.
Open tool ›Transfer time estimator15
Download Time Calculator
Convert file size and connection speed into seconds, minutes or hours without confusing bits and bytes.
Open tool ›Speed unit converter16
Mbps to MB/s Converter
Convert internet speed in megabits per second to file transfer speed in megabytes per second and back.
Open tool ›Radio power converter17
dBm to mW Converter
Convert logarithmic dBm values to milliwatts and convert linear radio power back to dBm.
Open tool ›3GPP 5G NR engineering18
5G NR-ARFCN Calculator
Convert NR-ARFCN and MHz, identify possible n bands, frequency range and TDD or FDD operation.
Open tool ›3GPP LTE engineering19
LTE EARFCN Calculator
Convert LTE channel numbers and frequencies and inspect matching bands, link direction and duplex mode.
Open tool ›Cellular identifier decoder20
LTE & 5G Cell ID Decoder
Decode ECI or NCI into node and cell components, or encode the components into decimal and hexadecimal identifiers.
Open tool ›Signal percentage estimator21
dBm to Signal Percentage
Turn an RSRP or RSSI reading into an approximate percentage and practical signal category.
Open tool ›RF propagation calculator22
Free Space Path Loss Calculator
Calculate ideal RF path loss from frequency and distance in practical cellular and wireless units.
Open tool ›Line-of-sight range23
Cell Tower Radio Horizon
Estimate geometric and standard-atmosphere radio horizon distance from tower and device heights.
Open tool ›No matching tools
Go beyond manual readings
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