📡
Frequency
74 MHz
Frequency
74 MHz
🧭
Range
72–76 MHz
Range
72–76 MHz
🧩
Band Group
VHF (30–300 MHz)
Band Group
VHF (30–300 MHz)
🌐 Summary
74 MHz: VHF TV low (legacy, varies by region); Handheld radios, vehicle radios, dispatch equipment
Upper edge of ex‑OIRT FM (~74 MHz); near transition into 75 MHz RC/special services.
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📡 Band & Geometry key
| Field | Value |
|---|---|
| Wavelength (m) | 4.054 |
| Waveforms | – |
| Antenna Form Factor (Typical) | ¼-wave ≈ 101 cm |
| Band Family | Other |
| Band | Fixed and Mobile (RC/telemetry use) |
| Primary Common Name | Fixed and Mobile (RC/telemetry use) |
| FSPL @ 1 km [dB] | 69.824634394619 |
| FSPL @ 10 km [dB] | 89.824634394619 |
| Fresnel Radius @ 1 km (m) | 31.834793136662 |
| Band Group | VHF (30–300 MHz) |
| Tax Band Family | VHF |
| Tax Band Class | VHF Low (30–88) |
🧩 Applications & Usage
| Field | Value |
|---|---|
| Primary Application | – |
| Lower Neighbor Use | Broadcasting (legacy TV) |
| Upper Neighbor Use | Broadcasting (FM – Japan) |
| Typical Services Devices | VHF TV low (legacy, varies by region) |
| Market Common Devices | Handheld radios, vehicle radios, dispatch equipment |
| Refarming Use | No |
| Device Ecosystem Size | Medium |
| Device Hotspots (MHz) | 72.5, 75 |
| Device Category | RC Controllers / Models |
| Typical Use Cases | – |
| Modulation (Device) | Narrowband FM / PPM (RC) |
| Channel Width (Device) [kHz] | 20–50 |
| Device Region Profiles | Legacy RC control (varies by country) |
| Per-Region EIRP Or Duty (Device) | Low-power RC transmitters |
| Allocation Relevance (Device) | Medium |
| Adjacent-Band Collision Risks (Device) | Low–Moderate |
| Example Devices Or Skus | RC Model Controllers (Aircraft, Cars) |
| Common Protocols | Analog FM (12.5 kHz); DMR; P25 (region); TETRA (region) |
🗒️ Notes
| Field | Value |
|---|---|
| Receiver Selectivity Notes | – |
| Interference Notes | Interference risk to nearby services; many regions re-farmed |
| Compatibility Risk Notes | – |
| Notes | Upper edge of ex‑OIRT FM (~74 MHz); near transition into 75 MHz RC/special services. |
| Propagation Notes | Strong coverage, good indoor penetration |
⚙️ Technical Rules
| Field | Value |
|---|---|
| Lower Band Frequency Limit | 72 |
| Upper Band Frequency Limit | 76 |
| EIRP Indoor Limits | – |
| EIRP Outdoor Limits | High‑power broadcast |
| PSD Limit | — |
| Emission Mask Class | Broadcast TV VHF‑Low |
| Guardband Minimum [kHz] | 6000 |
| Typical Bandwidths | 12.5, 25 kHz |
| Autocalculated Bandlimits | No |
| Typical Bandwidths (Estimated) | 12.5, 25 kHz |
| Max EIRP [dBm] | Low-power RC transmitters |
| Power Source Or Duty Profile (Typical) | – |
| Channelization Plan | – |
| Channelization | – |
| Guard Band Requirement | – |
| OOB Emission Limit [dBm/MHz] | -13 (baseline) |
| Spurious Emission Limit (dBm) | -30 (baseline) |
| RX Blocking Min [dBm] | -15 (planning) |
| Duplexing | Half-duplex |
| Duplexing Information | Half-duplex: push-to-talk / single-frequency |
| Uplink Pairing | – |
| Downlink Pairing | – |
| Paired Band Info | – |
| Max EIRP [dBm] | – |
| Channelization Block Size | – |
| 3GPP Band Number | |
| Example 3GPP Bands | – |
| LTE Uplink Bands | – |
| LTE Downlink Bands | – |
| NR Uplink Bands | – |
| NR Downlink Bands | – |
| Guard Bands | – |
| Protocol Or Standard | – |
🌎 Country Overrides
| Field | Value |
|---|---|
| Post Status | publish |
| Tax Service Category | Other / Various |
| Tax License Type | Licensed / Service-Specific |
| Tax Regions | Global / Varies |
| ITU Region 1 | Fixed, Mobile |
| ITU Region 2 | Fixed, Mobile |
| ITU Region 3 | Fixed, Mobile |
| License Type | Land mobile / Fixed service (licensed, often public safety/commercial) |
| Primary Application | – |
| Primary Services | – |
| Spurious Emission [dBm] | -30 (baseline) |
| Lower Neighbor Use | Broadcasting (legacy TV) |
| Upper Neighbor Use | Broadcasting (FM – Japan) |
| Licensing Model | Licensed (Broadcasting; regional) |
| Typical Services Devices | VHF TV low (legacy, varies by region) |
| US FCC Alloc | -– |
| CA IC Alloc | -– |
| UK Ofcom Alloc | -– |
| US Ref | – |
| Typical Bandwidths | 12.5, 25 kHz |
| Market Licensing Model | Government / Public Safety |
| Market Common Devices | Handheld radios, vehicle radios, dispatch equipment |
| Fresnel Radius (1st, 1 km) [m] | 31.834793136662 |
| Typical Bandwidths (Estimated) | 12.5, 25 kHz |
| Auction Status | Assigned |
| Refarming Use | No |
| Typical Site Spacing km | – / – |
| Device Ecosystem Size | Medium |
| Traffic Load Share | Coverage-heavy, low capacity share |
| Device Hotspots (MHz) | 72.5, 75 |
| Device Category | RC Controllers / Models |
| Typical Use Cases | – |
| Typical Center Frequencies [MHz] | – |
| Rule Part (Fcc Or Region) | – |
| Modulation (Device) | Narrowband FM / PPM (RC) |
| Channel Width (Device) [kHz] | 20–50 |
| Device Region Profiles | Legacy RC control (varies by country) |
| Per-Region EIRP Or Duty (Device) | Low-power RC transmitters |
| Allocation Relevance (Device) | Medium |
| Adjacent-Band Collision Risks (Device) | Low–Moderate |
| Example Devices Or Skus | RC Model Controllers (Aircraft, Cars) |
| Antenna Form Factor (Typical) | ¼-wave ≈ 101 cm |
| Power Source Or Duty Profile (Typical) | – |
🛡️ Regulatory & Neighbors
| Field | Value |
|---|---|
| Lower Band Frequency Limit | 72 |
| Upper Band Frequency Limit | 76 |
| Rx Blocking Min dBm | -15 (planning) |
| Lower Neighbor Use | Broadcasting (legacy TV) |
| Upper Neighbor Use | Broadcasting (FM – Japan) |
| Lower Neighbor Band | Broadcasting (legacy TV) |
| Lower Neighbor Range | 55.000–71.000 MHz |
| Upper Neighbor Label | Broadcasting (FM – Japan) |
| Upper Neighbor Range | 77.000–88.000 MHz |
| Adjacent-Band Collision Risks (Device) | Low–Moderate |
| Real-World Range (Indoor/Outdoor) | – |
| US FCC Alloc | — |
| CA IC Alloc | — |
| UK Ofcom Alloc | — |
| Regulatory References | US: -; CA: -; UK: – |
| Global Harmonization | Regional |
| Crossborder Coordination | High |
| Sharing Mechanism | – |
| Auction Status | Assigned |
| Guard Or Pair | – |
📈 Market & Measurements
| Field | Value |
|---|---|
| Noise Floor | -105 dBm (est.) |
| Interference Cases | – |
| Lower Neighbor Range | 55.000–71.000 MHz |
| Upper Neighbor Range | 77.000–88.000 MHz |
| Interference Notes | Interference risk to nearby services; many regions re-farmed |
| Market Licensing Model | Government / Public Safety |
| Market Commercial Value | Low |
| Market Common Devices | Handheld radios, vehicle radios, dispatch equipment |
| Market Deployment Density | Medium |
| Noise Floor (Estimated) | -105 dBm (est.) |
| Market Commercial Value (Estimated) | Low |
| Ecosystem Maturity | Established |
| 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 ≈ 101 cm |
| Ecosystem Maturity | Established |
| 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) | – |