📡
Frequency
101 MHz
Frequency
101 MHz
🧭
Range
88–108 MHz
Range
88–108 MHz
🧩
Band Group
VHF (30–300 MHz)
Band Group
VHF (30–300 MHz)
🌐 Summary
101 MHz: FM radio; FM radios, car radios
FM broadcast band (88–108 MHz); standard 200 kHz raster in many regions, RDS/RBDS widely used.
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📡 Band & Geometry key
| Field | Value |
|---|---|
| Wavelength (m) | 2.97 |
| Waveforms | – |
| Antenna Form Factor (Typical) | ¼-wave ≈ 74.3 cm |
| Band Family | Broadcast |
| Band | Broadcasting (FM) |
| Primary Common Name | Broadcasting (FM) |
| FSPL @ 1 km [dB] | 72.526427475653 |
| FSPL @ 10 km [dB] | 92.526427475653 |
| Fresnel Radius @ 1 km (m) | 27.249416380343 |
| Band Group | VHF (30–300 MHz) |
| Tax Band Family | VHF |
| Tax Band Class | Broadcast FM (88–108) |
🧩 Applications & Usage
| Field | Value |
|---|---|
| Primary Application | – |
| Lower Neighbor Use | Broadcasting (FM – Japan) |
| Upper Neighbor Use | Aeronautical radionavigation (VOR/ILS) |
| Typical Services Devices | FM radio |
| Market Common Devices | FM radios, car radios |
| Refarming Use | No |
| Device Ecosystem Size | Medium |
| Device Hotspots (MHz) | 100 |
| Device Category | FM Broadcast Receivers |
| Typical Use Cases | – |
| Modulation (Device) | Broadcast FM (Receiver) |
| Channel Width (Device) [kHz] | N/A (Receiver) |
| Device Region Profiles | Global FM broadcast |
| Per-Region EIRP Or Duty (Device) | Receiver-only (EIRP N/A) |
| Allocation Relevance (Device) | High (broadcast) |
| Adjacent-Band Collision Risks (Device) | Low: broadcast spacing rules apply |
| Example Devices Or Skus | FM Radio Receiver |
| Common Protocols | FM Stereo (MPX) |
🗒️ Notes
| Field | Value |
|---|---|
| Receiver Selectivity Notes | – |
| Interference Notes | Adjacent to 108 MHz Airband – protect aviation |
| Compatibility Risk Notes | ≤10 MHz from Aeronautical VHF (Airband) |
| Notes | FM broadcast band (88–108 MHz); standard 200 kHz raster in many regions, RDS/RBDS widely used. |
| Propagation Notes | Strong coverage, good indoor penetration |
⚙️ Technical Rules
| Field | Value |
|---|---|
| Lower Band Frequency Limit | 88 |
| Upper Band Frequency Limit | 108 |
| EIRP Indoor Limits | – |
| EIRP Outdoor Limits | High‑power broadcast |
| PSD Limit | — |
| Emission Mask Class | FM broadcast |
| Guardband Minimum [kHz] | 200 |
| Typical Bandwidths | ~150 kHz occupied |
| Autocalculated Bandlimits | No |
| Typical Bandwidths (Estimated) | ~150 kHz occupied |
| Max EIRP [dBm] | Receiver-only (EIRP N/A) |
| Power Source Or Duty Profile (Typical) | – |
| Channelization Plan | – |
| Channelization | – |
| Guard Band Requirement | – |
| OOB Emission Limit [dBm/MHz] | Stricter per regulator |
| Spurious Emission Limit (dBm) | -30 (baseline) |
| RX Blocking Min [dBm] | -15 (planning) |
| Duplexing | Simplex |
| Duplexing Information | Simplex: downlink only |
| Uplink Pairing | – |
| Downlink Pairing | – |
| Paired Band Info | – |
| Max EIRP [dBm] | – |
| Channelization Block Size | 200 kHz FM channels |
| 3GPP Band Number | |
| Example 3GPP Bands | – |
| LTE Uplink Bands | – |
| LTE Downlink Bands | – |
| NR Uplink Bands | – |
| NR Downlink Bands | – |
| Guard Bands | ±100 kHz spacing |
| Protocol Or Standard | – |
🌎 Country Overrides
| Field | Value |
|---|---|
| Post Status | publish |
| Tax Service Category | Other / Various |
| Tax License Type | Licensed (Broadcast) |
| Tax Regions | Global / Varies |
| ITU Region 1 | Broadcasting |
| ITU Region 2 | Broadcasting |
| ITU Region 3 | Broadcasting |
| License Type | Broadcast service (licensed, national regulators) |
| Primary Application | – |
| Primary Services | – |
| Spurious Emission [dBm] | -30 (baseline) |
| Lower Neighbor Use | Broadcasting (FM – Japan) |
| Upper Neighbor Use | Aeronautical radionavigation (VOR/ILS) |
| Licensing Model | Licensed (National) |
| Typical Services Devices | FM radio |
| US FCC Alloc | FM Broadcasting (47 CFR Part 73)– |
| CA IC Alloc | FM Broadcasting (BETS/BPR)– |
| UK Ofcom Alloc | FM Sound Broadcasting (87.5–108 MHz)– |
| US Ref | 47 CFR Part 73 (FM) |
| Typical Bandwidths | ~150 kHz occupied |
| Market Licensing Model | Licensed (Broadcasting) |
| Market Common Devices | FM radios, car radios |
| Fresnel Radius (1st, 1 km) [m] | 27.249416380343 |
| Typical Bandwidths (Estimated) | ~150 kHz occupied |
| Auction Status | – |
| Refarming Use | No |
| Typical Site Spacing km | – / – |
| Device Ecosystem Size | Medium |
| Traffic Load Share | Coverage-heavy, low capacity share |
| Device Hotspots (MHz) | 100 |
| Device Category | FM Broadcast Receivers |
| Typical Use Cases | – |
| Typical Center Frequencies [MHz] | – |
| Rule Part (Fcc Or Region) | – |
| Modulation (Device) | Broadcast FM (Receiver) |
| Channel Width (Device) [kHz] | N/A (Receiver) |
| Device Region Profiles | Global FM broadcast |
| Per-Region EIRP Or Duty (Device) | Receiver-only (EIRP N/A) |
| Allocation Relevance (Device) | High (broadcast) |
| Adjacent-Band Collision Risks (Device) | Low: broadcast spacing rules apply |
| Example Devices Or Skus | FM Radio Receiver |
| Antenna Form Factor (Typical) | ¼-wave ≈ 74.3 cm |
| Power Source Or Duty Profile (Typical) | – |
🛡️ Regulatory & Neighbors
| Field | Value |
|---|---|
| Lower Band Frequency Limit | 88 |
| Upper Band Frequency Limit | 108 |
| Rx Blocking Min dBm | -15 (planning) |
| Lower Neighbor Use | Broadcasting (FM – Japan) |
| Upper Neighbor Use | Aeronautical radionavigation (VOR/ILS) |
| Lower Neighbor Band | Broadcasting (FM – Japan) |
| Lower Neighbor Range | 77.000–88.000 MHz |
| Upper Neighbor Label | Aeronautical radionavigation (VOR/ILS) |
| Upper Neighbor Range | 108.000–118.000 MHz |
| Adjacent-Band Collision Risks (Device) | Low: broadcast spacing rules apply |
| Real-World Range (Indoor/Outdoor) | – |
| US FCC Alloc | FM Broadcasting (47 CFR Part 73)FM Broadcasting (47 CFR Part 73) |
| CA IC Alloc | FM Broadcasting (BETS/BPR)FM Broadcasting (BETS/BPR) |
| UK Ofcom Alloc | FM Sound Broadcasting (87.5–108 MHz)FM Sound Broadcasting (87.5–108 MHz) |
| Regulatory References | US: 47 CFR Part 73 (FM); CA: ISED BPR‑3 (FM Broadcasting); UK: UK FAT + Ofcom Broadcasting Code |
| Global Harmonization | Regional |
| Crossborder Coordination | High |
| Sharing Mechanism | – |
| Auction Status | – |
| Guard Or Pair | – |
📈 Market & Measurements
| Field | Value |
|---|---|
| Noise Floor | -105 dBm (est.) |
| Interference Cases | – |
| Lower Neighbor Range | 77.000–88.000 MHz |
| Upper Neighbor Range | 108.000–118.000 MHz |
| Interference Notes | Adjacent to 108 MHz Airband – protect aviation |
| Market Licensing Model | Licensed (Broadcasting) |
| Market Commercial Value | Medium (legacy broadcast) |
| Market Common Devices | FM radios, car radios |
| Market Deployment Density | Dense urban, nationwide |
| Noise Floor (Estimated) | -105 dBm (est.) |
| Market Commercial Value (Estimated) | Medium (legacy broadcast) |
| Ecosystem Maturity | Emerging |
| Indoor Penetration | Good |
| Known Interference | No major interference issues noted |
| Device Ecosystem Size | Medium |
| Real-World Range (Indoor/Outdoor) | – |
| Antenna Form Factor (Typical) | ¼-wave ≈ 74.3 cm |
| Ecosystem Maturity | Emerging |
| Device Ecosystem Size | Medium |
| Chipset Availability | Limited / TBD |
| Operator Deployments | Limited operators |
| Technology Generations Deployed | Multiple / TBD |
| Roaming Support | – |
| Traffic Load Share | Coverage-heavy, low capacity share |
| Indoor Penetration | Good |
| Known Interference | No major interference issues noted |
| Occupancy | Medium |
| Occupancy Bucket Pct | 10–30% |
| Latency Profile | – |
| Common Channels Or Profiles | – |
| Security Features | – |
| Lbt Or Fhss Requirement | – |
| Popularity (Installed Base) | – |
| Coexistence Tips | – |
| Latency Class | – |
| Device Hotspots (Scoped && Tagged) | – |