Frequency
430 MHz
Range
401β430 MHz
Band Group
UHF (300β1000 MHz)
π Summary
The 430 MHz allocation is part of the UHF (300β1000 MHz) spectrum. This range is used worldwide for critical applications that keep our communications and infrastructure running smoothly. On this page we highlight how each band is applied in real systems, from regulatory assignments to everyday devices. Our goal is to make spectrum data clear and practical for engineers, regulators, and enthusiasts alike.
Key uses of this band include: 430 MHz: Government, utilities, telemetry, PMR/DMR trunked systems; 70β―cm Amateur (partial); Amateur radios, PMR, IoT SRD (433 MHz).
70 cm amateur (430β440 MHz primary in many Region 1 countries); 435β438 MHz used for amateurβsatellite service.

π Explore the full RF Spectrum database
π‘ Band & Geometry key
Field | Value |
---|---|
Wavelength (m) | 0.698 |
Waveforms | – |
Antenna Form Factor (Typical) | ΒΌ-wave β 17.4 cm |
Band Family | LMR/Public Safety |
Band | UHF (Land mobile/Fixed) |
Primary Common Name | Land mobile / Fixed allocation |
FSPL @ 1 km [dB] | 85.109369111592 |
FSPL @ 10 km [dB] | 105.10936911159 |
Fresnel Radius @ 1 km (m) | 13.206376190804 |
Band Group | UHF (300β1000 MHz) |
Tax Band Family | UHF |
Tax Band Class | UHF LMR/SRD/Amateur (410β450) |
π§© Applications & Usage
Field | Value |
---|---|
Primary Application | Government, utilities, telemetry, PMR/DMR trunked systems |
Lower Neighbor Use | PPDR / TETRA (Land mobile) |
Upper Neighbor Use | Amateur 70 cm band |
Typical Services Devices | 70β―cm Amateur (partial) |
Market Common Devices | Amateur radios, PMR, IoT SRD (433 MHz) |
Refarming Use | No |
Device Ecosystem Size | Medium |
Device Hotspots (MHz) | 430 |
Device Category | MedRadio / MICS |
Typical Use Cases | – |
Modulation (Device) | Varies by device |
Channel Width (Device) [kHz] | Varies |
Device Region Profiles | Varies by country / allocation |
Per-Region EIRP Or Duty (Device) | Varies by regulation |
Allocation Relevance (Device) | Medium |
Adjacent-Band Collision Risks (Device) | LowβModerate |
Example Devices Or Skus | Specialized Industrial / Scientific Equipment |
Common Protocols | Amateur 70β―cm (FM/DV); Digital Voice (D-STAR/C4FM); Analog FM (12.5 kHz); DMR; P25 (region); TETRA (region) |
ποΈ Notes
Field | Value |
---|---|
Receiver Selectivity Notes | – |
Interference Notes | Regional variations |
Compatibility Risk Notes | – |
Notes | 70 cm amateur (430β440 MHz primary in many Region 1 countries); 435β438 MHz used for amateurβsatellite service. |
Propagation Notes | Strong coverage, good indoor penetration |
βοΈ Technical Rules
Field | Value |
---|---|
Lower Band Frequency Limit | 401 |
Upper Band Frequency Limit | 430 |
EIRP Indoor Limits | Licensed amateur |
EIRP Outdoor Limits | Licensed amateur |
PSD Limit | β |
Emission Mask Class | Amateur service |
Guardband Minimum [kHz] | 25 |
Typical Bandwidths | 11β20 kHz |
Autocalculated Bandlimits | No |
Typical Bandwidths (Estimated) | 11β20 kHz |
Max EIRP [dBm] | Varies by regulation |
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 | Simplex or paired |
Uplink Pairing | – |
Downlink Pairing | – |
Paired Band Info | – |
Max EIRP [dBm] | – |
Channelization Block Size | 12.5 / 25 kHz channels |
3GPP Band Number | |
Example 3GPP Bands | – |
LTE Uplink Bands | – |
LTE Downlink Bands | – |
NR Uplink Bands | – |
NR Downlink Bands | – |
Guard Bands | Narrow guard bands |
Protocol Or Standard | – |
π Country Overrides
Field | Value |
---|---|
Tax Service Category | Other / Various |
Tax License Type | Licensed / Service-Specific |
Tax Regions | Global / Varies |
ITU Region 1 | Land mobile, Fixed |
ITU Region 2 | Land mobile, Fixed |
ITU Region 3 | Land mobile, Fixed |
License Type | Licensed land mobile / fixed service |
Primary Application | Government, utilities, telemetry, PMR/DMR trunked systems |
Primary Services | – |
Spurious Emission [dBm] | -30 (baseline) |
Lower Neighbor Use | PPDR / TETRA (Land mobile) |
Upper Neighbor Use | Amateur 70 cm band |
Licensing Model | Licensed (Amateur, regional) |
Typical Services Devices | 70β―cm Amateur (partial) |
US FCC Alloc | -β |
CA IC Alloc | -β |
UK Ofcom Alloc | -β |
US Ref | 47 CFR Part 90 (Private Land Mobile) |
Typical Bandwidths | 11β20 kHz |
Market Licensing Model | Licensed (Amateur/LMR) |
Market Common Devices | Amateur radios, PMR, IoT SRD (433 MHz) |
Fresnel Radius (1st, 1 km) [m] | 13.206376190804 |
Typical Bandwidths (Estimated) | 11β20 kHz |
Auction Status | – |
Refarming Use | No |
Typical Site Spacing km | 4 / 12 |
Device Ecosystem Size | Medium |
Traffic Load Share | Coverage-heavy, low capacity share |
Device Hotspots (MHz) | 430 |
Device Category | MedRadio / MICS |
Typical Use Cases | – |
Typical Center Frequencies [MHz] | – |
Rule Part (Fcc Or Region) | – |
Modulation (Device) | Varies by device |
Channel Width (Device) [kHz] | Varies |
Device Region Profiles | Varies by country / allocation |
Per-Region EIRP Or Duty (Device) | Varies by regulation |
Allocation Relevance (Device) | Medium |
Adjacent-Band Collision Risks (Device) | LowβModerate |
Example Devices Or Skus | Specialized Industrial / Scientific Equipment |
Antenna Form Factor (Typical) | ΒΌ-wave β 17.4 cm |
Power Source Or Duty Profile (Typical) | – |
π‘οΈ Regulatory & Neighbors
Field | Value |
---|---|
Lower Band Frequency Limit | 401 |
Upper Band Frequency Limit | 430 |
Rx Blocking Min dBm | -15 (planning) |
Lower Neighbor Use | PPDR / TETRA (Land mobile) |
Upper Neighbor Use | Amateur 70 cm band |
Lower Neighbor Band | PPDR / TETRA (Land mobile) |
Lower Neighbor Range | 381.000β400.000 MHz |
Upper Neighbor Label | Amateur 70 cm band |
Upper Neighbor Range | 431.000β433.000 MHz |
Adjacent-Band Collision Risks (Device) | LowβModerate |
Real-World Range (Indoor/Outdoor) | – |
US FCC Alloc | — |
CA IC Alloc | — |
UK Ofcom Alloc | — |
Regulatory References | US: 47 CFR Part 90 (Private Land Mobile); CA: ISED RSSβ119 (Land Mobile 27.41β960 MHz); UK: Ofcom PMR/Business Radio (UK FAT) |
Global Harmonization | Regional |
Crossborder Coordination | High |
Sharing Mechanism | – |
Auction Status | – |
Guard Or Pair | – |
π Market & Measurements
Field | Value |
---|---|
Noise Floor | -110 dBm (est.) |
Interference Cases | – |
Lower Neighbor Range | 381.000β400.000 MHz |
Upper Neighbor Range | 431.000β433.000 MHz |
Interference Notes | Regional variations |
Market Licensing Model | Licensed (Amateur/LMR) |
Market Commercial Value | Specialized |
Market Common Devices | Amateur radios, PMR, IoT SRD (433 MHz) |
Market Deployment Density | Medium in Europe/Asia |
Noise Floor (Estimated) | -110 dBm (est.) |
Market Commercial Value (Estimated) | Specialized |
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) | ΒΌ-wave β 17.4 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 | 10β30% |
Latency Profile | – |
Common Channels Or Profiles | – |
Security Features | – |
Lbt Or Fhss Requirement | – |
Popularity (Installed Base) | – |
Coexistence Tips | – |
Latency Class | – |
Device Hotspots (Scoped && Tagged) | β |