๐Ÿ“˜ MOBITEX Data Dictionary

โš™๏ธ Core Frequency & Identification Fields

Column HeaderDescriptionExample
Center Frequency (MHz)Central frequency of the band in MHz.433.92
Tax Band FamilyHigh-level ITU family (e.g., VHF, UHF, SHF).UHF
Tax Band ClassSub-classification (e.g., ISM, Public Safety, Mobile).ISM
Tax Service CategoryCategory of primary services operating in the band.Fixed / Mobile
Tax License TypeRegulatory license class (licensed, unlicensed, shared).Unlicensed
Tax RegionsGeographic or ITU region coverage.Region 1 (Europe)

๐ŸŒ Frequency Geometry & Physical Parameters

Column HeaderDescriptionExample
Wavelength (m)Calculated physical wavelength in meters.0.69
BandCommon or regulatory band name.โ€œ70 cm Amateur Bandโ€
Lower Band Frequency LimitLower edge of the band (MHz).430
Upper Band Frequency LimitUpper edge of the band (MHz).440
Primary Common NameMost recognized industry name for the band.433 MHz ISM Band
Itu Region 1 / 2 / 3Allocation presence per ITU region.Yes / No
License TypeType of access required (licensed, light, exempt).License-exempt
Primary ApplicationMain use (e.g., IoT, Cellular, Aviation).Short-range IoT
Primary ServicesITU service allocation.Fixed / Mobile
DuplexingDuplex scheme (FDD, TDD, Simplex).FDD

๐Ÿ“ก Emission & Power Characteristics

Column HeaderDescriptionExample
Eirp Indoor LimitsMax EIRP indoors.+10 dBm
Eirp Outdoor LimitsMax EIRP outdoors.+20 dBm
Psd LimitPower Spectral Density limit.โ€“13 dBm/MHz
Out Of Band Emission (dBm/MHz)OOBE limit in dBm/MHz.โ€“30
Spurious Emission (dBm)Maximum spurious output.โ€“36
Emission Mask ClassRegulatory emission mask type.Class B
Rx Blocking Min Db mMinimum blocking performance of receiver.โ€“15 dBm
Receiver Selectivity NotesCommentary on receiver filtering.โ€œAdjacent channel rejection > 65 dBโ€
Guardband Minimum (kHz)Minimum guard band required between allocations.100 kHz
Uplink Pairing / Downink PairingPaired uplink/downlink bands for FDD systems.824โ€“849 / 869โ€“894 MHz
ChannelizationStandard channel spacing or plan.200 kHz
WaveformsTypical signal formats or waveforms.OFDM, FSK

๐Ÿ”„ Neighboring Bands & Spectrum Context

Column HeaderDescriptionExample
Lower Neighbor Use / Upper Neighbor UseSummary of adjacent band usage.Paging / LTE
Guard Or PairWhether band edge is guard or paired allocation.Guard
Noise FloorTypical noise power density (dBm).โ€“114
OccupancyEstimated channel occupancy (%).35 %
Interference CasesKnown real-world interference scenarios.โ€œ433 MHz garage remotes collisionโ€
Lower Neighbor Band / Range / Upper Neighbor Label / RangeSpecific adjacent frequency ranges and identifiers.โ€œ425โ€“430 MHz LRS / 440โ€“450 MHz LMRโ€
Licensing ModelType of licensing mechanism.Unlicensed
Typical Services DevicesExample service types or devices.LoRa nodes, Smart meters
Interference NotesMitigation or observed issues.โ€œHigh RFID traffic in Europeโ€

๐Ÿ‡บ๐Ÿ‡ธ ๐Ÿ‡จ๐Ÿ‡ฆ ๐Ÿ‡ฌ๐Ÿ‡ง Regulatory Allocations

Column HeaderDescriptionExample
USA FCC AllocFCC allocation text or reference.Part 15.231
CA IC AllocISED Canada allocation.RSS-210
UK Ofcom AllocOfcom allocation summary.SRD 868 MHz
Example 3GPP BandsRelated 3GPP band numbers.n78
Compatibility Risk NotesCoexistence and interference risk notes.โ€œPotential LTE adjacency issuesโ€
LTE/NR Uplink & Downlink BandsLTE and NR (5G) pair numbers.Band 8 / n28
US/CA/UK RefRegulatory reference URLs or footnotes.ETSI EN 300 220

๐Ÿ“ถ Channelization, Guarding & Market

Column HeaderDescriptionExample
Channelization Block SizeTypical licensing block width.5 MHz
Typical BandwidthsCommon system bandwidths.1 / 5 / 20 MHz
Duplexing InformationExtended notes on duplex scheme.TDD with guard gap
Guard Bands / Paired Band InfoExtra guard frequencies or paired ranges.โ€œ45 MHz uplink spacingโ€
Market Licensing ModelMarket-level licensing approach.Auction
Market Commercial ValueApprox. economic value per MHz-pop.$0.90 / MHz-pop
Market Common DevicesPopular devices in this band.LTE routers, LoRa modules
Market Deployment DensityDeployment intensity.High urban density
Band FamilyFrequency family category.UHF
Free Space Path Loss 1 km / 10 Km (dB)Calculated path loss values.92 / 112 dB
Fresnel Radius 1St 1 Km MRadius of first Fresnel zone.7.9 m
Common ProtocolsTypical protocols used.LoRaWAN, Zigbee
NotesGeneral remarks.โ€œISM band shared with RFIDโ€
Autocalculated BandlimitsAuto-derived limits for QA.OK
Occupancy Bucket PctCategorized occupancy bucket.30โ€“50 %
Propagation NotesSummary of propagation behavior.Good urban penetration

๐ŸŒ Harmonization & Ecosystem

Column HeaderDescriptionExample
Global HarmonizationDegree of international alignment.Partial
Auction StatusWhether auctioned or unlicensed.Unlicensed
Crossborder CoordinationNeed for international coordination.Low
Ecosystem MaturityMaturity of equipment ecosystem.Advanced
Refarming UseLegacy band repurposing.Former GSM band
Indoor PenetrationRelative penetration quality.High
3Gpp Band Number3GPP numeric band identifier.n78
Channelization PlanStandardized channel grid.100 kHz steps
Guard Band RequirementMinimum guard band recommendation.100 kHz
Max EIRP dBmAbsolute max power level.36 dBm
Latency ProfileTypical latency range.Low ( <10 ms )
Known InterferenceInterferers from adjacent bands.Bluetooth / Wi-Fi
Sharing MechanismDynamic sharing method if any.LBT, SAS
Device Ecosystem SizeApprox. number of products.> 10 000
Chipset AvailabilityVendor support status.Broadcom, Semtech
Operator DeploymentsKnown mobile operators.Verizon, AT&T
Technology Generations DeployedGens present (2Gโ€“5G).4G/5G
Roaming SupportInternational roaming availability.Yes
Traffic Load ShareNetwork traffic share estimate.Medium
Device Hotspots (Mhz)Concentrated use frequencies.2400โ€“2483.5
Device CategoryCategory of equipment.IoT
Protocol Or StandardProtocol family.LoRaWAN
Typical Use CasesCommon applications.Smart meters, Sensors
Typical Center Frequencies (Mhz)Representative frequencies.868.3
Common Channels Or ProfilesWell-known profiles or IDs.LoRa EU868
Security FeaturesEncryption or auth methods.AES-128
Rule Part (Fcc Or Region)Governing rule section.Part 15.247
Lbt Or Fhss RequirementRegulatory technique required.FHSS
Modulation (Device)Typical modulation used.FSK
Channel Width (Device) (Khz)Device channel width.125
Device Region ProfilesRegional device settings.EU, US
Per-Region Eirp Or Duty (Device)Regional power/duty rules.+14 dBm, 1 % duty
Allocation Relevance (Device)Whether device aligns to allocation.Yes
Adjacent-Band Collision Risks (Device)Risks of interference from neighbor bands.High
Example Devices Or SkusCommercial device examples.Semtech SX1276
Popularity (Installed Base)Relative adoption metric.High
Real-World Range (Indoor/Outdoor)Observed range values.1 km indoor / 10 km rural
Coexistence TipsRecommended coexistence measures.Duty-cycle control
Antenna Form Factor (Typical)Common antenna design.ยผ-wave whip
Power Source Or Duty Profile (Typical)Device power type / duty cycle.Battery / 1 % TX
Latency ClassStandardized latency class.Class 2
Typical Site Spacing Urban / Rural KmTypical network site distance.1 / 5 km
Device Hotspots (Scoped & Tagged)Geo-tagged usage areas.Europe / US
Band GroupFrequency group category (VHF/UHF/SHF).UHF
Summary (<100 words)Concise summary for display on Mobitex.org.โ€œThe 433 MHz ISM band is widely used for IoT, RFID, and short-range devices โ€ฆโ€