Frequency
865 MHz
Range
851β869 MHz
Band Group
UHF (300β1000 MHz)
π Summary
The 865 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: 865 MHz: Public Safety and Specialized Mobile Radio (SMR) downlink paired with 806β824 MHz uplink; Mobile, Fixed; Narrowband/Trunked LMR downlinks; LTE/NR smartphones, legacy GSM/CDMA devices; LPWAN sensors/meters/trackers; inventory, access control, asset tracking; utility metering, AMI backhaul.
800 MHz public safety/SMR base transmit (851β869 MHz): trunked P25/DMR/SMR systems; outcomes of 800βMHz rebanding reflected here.

π Explore the full RF Spectrum database
π‘ Band & Geometry key
Field | Value |
---|---|
Wavelength (m) | 0.347 |
Waveforms | Analog/digital PMR, P25, TETRA, LTE, 5G NR |
Antenna Form Factor (Typical) | ΒΌ-wave β 8.67 cm |
Band Family | LMR/Public Safety |
Band | 800 MHz Public Safety / SMR β Downlink |
Primary Common Name | Public Safety / SMR DL |
FSPL @ 1 km [dB] | 91.180322149296 |
FSPL @ 10 km [dB] | 111.1803221493 |
Fresnel Radius @ 1 km (m) | 9.3112896854805 |
Band Group | UHF (300β1000 MHz) |
Tax Band Family | UHF |
Tax Band Class | 800/850 MHz Cellular & SMR (806β896) Band |
π§© Applications & Usage
Field | Value |
---|---|
Primary Application | Public Safety and Specialized Mobile Radio (SMR) downlink paired with 806β824 MHz uplink |
Lower Neighbor Use | No adjacent allocation defined |
Upper Neighbor Use | Cellular 850 (CLR) β Downlink |
Typical Services Devices | Narrowband/Trunked LMR downlinks |
Market Common Devices | LTE/NR smartphones, legacy GSM/CDMA devices |
Refarming Use | No |
Device Ecosystem Size | Medium (100β1000 models) |
Device Hotspots (MHz) | 868.1/868.3/868.5 |
Device Category | LoRa / LoRaWAN; UHF RFID (EPC Gen2); Smart Meter / RFLAN |
Typical Use Cases | LPWAN sensors/meters/trackers; inventory, access control, asset tracking; utility metering, AMI backhaul |
Modulation (Device) | LoRa (CSS); Reader: ASK/PR-ASK; Tag: backscatter; FSK/O-QPSK (802.15.4g) |
Channel Width (Device) [kHz] | 125β500; 200β500; 50β200 |
Device Region Profiles | EU: 868; US: 902β928; AU/NZ: 915β928; AS923 variants; EU 865β868; US 902β928; US 902β928; EU 868 |
Per-Region EIRP Or Duty (Device) | EU β€14 dBm; US up to 30 dBm class (gateway); EU β€33 dBm EIRP; US up to 36 dBm EIRP (typical); Region-specific; low duty at endpoints |
Allocation Relevance (Device) | ISM LPWAN allocations; SRD/ISM allocations; ISM allocations enable fixed network |
Adjacent-Band Collision Risks (Device) | 915 MHz overlaps Z-Wave/RFID/smart meters; Collision with LoRa/Z-Wave/smart meters in 915 band; 915 MHz congestion with LoRa/RFID/Z-Wave |
Example Devices Or Skus | Cellular (2G/3G Legacy Devices) |
Common Protocols | LoRa (868 MHz); Sigfox (regional); Short-Range Devices (SRD); wM-Bus (868 MHz); LTE; 5G NR; GSM/EDGE; UMTS (legacy); Analog FM (12.5 kHz); DMR; P25 (region); TETRA (region) |
ποΈ Notes
Field | Value |
---|---|
Receiver Selectivity Notes | – |
Interference Notes | Adjacent cellular downlinks; filtering needed |
Compatibility Risk Notes | – |
Notes | 800 MHz public safety/SMR base transmit (851β869 MHz): trunked P25/DMR/SMR systems; outcomes of 800βMHz rebanding reflected here. |
Propagation Notes | Strong coverage, good indoor penetration |
βοΈ Technical Rules
Field | Value |
---|---|
Lower Band Frequency Limit | 851 |
Upper Band Frequency Limit | 869 |
EIRP Indoor Limits | Base stations per license |
EIRP Outdoor Limits | Base EIRP per license (high) |
PSD Limit | β |
Emission Mask Class | LMR/SMR trunked |
Guardband Minimum [kHz] | 12.5 |
Typical Bandwidths | 5, 10, 20 MHz |
Autocalculated Bandlimits | No |
Typical Bandwidths (Estimated) | 5, 10, 20 MHz |
Max EIRP [dBm] | EU β€14 dBm; US up to 30 dBm class (gateway); EU β€33 dBm EIRP; US up to 36 dBm EIRP (typical); Region-specific; low duty at endpoints |
Power Source Or Duty Profile (Typical) | Battery sensors; mains gateways; Mains readers; passive tags; Mains-powered endpoints and relays |
Channelization Plan | 5, 10, 20 MHz |
Channelization | 25 kHz (legacy); 12.5 kHz narrowband; LTE/NR blocks |
Guard Band Requirement | – |
OOB Emission Limit [dBm/MHz] | -13 (baseline) |
Spurious Emission Limit (dBm) | -30 (baseline) |
RX Blocking Min [dBm] | -15 (planning) |
Duplexing | FDD |
Duplexing Information | FDD: 806β824 MHz (PS/SMR UL) uplink / 851β869 MHz (PS/SMR DL) downlink |
Uplink Pairing | 806β824 MHz (PS/SMR UL) |
Downlink Pairing | 851β869 MHz (PS/SMR DL) |
Paired Band Info | – |
Max EIRP [dBm] | – |
Channelization Block Size | – |
3GPP Band Number | |
Example 3GPP Bands | – |
LTE Uplink Bands | – |
LTE Downlink Bands | Band 26 |
NR Uplink Bands | – |
NR Downlink Bands | n26 |
Guard Bands | – |
Protocol Or Standard | LoRaWAN; EPC Gen2 / ISO 18000-6C; Proprietary FHSS / IEEE 802.15.4g |
π Country Overrides
Field | Value |
---|---|
Tax Service Category | Other / Various |
Tax License Type | Licensed / Service-Specific |
Tax Regions | Global / Varies |
ITU Region 1 (Europe, Africa, Middle East (west of Persian Gulf), Western Russia & Mongolia) | Mobile, Fixed |
ITU Region 2 (North America, South America, Central America, Caribbean, Greenland, Eastern Pacific Islands (Americas region)) | Mobile, Fixed |
ITU Region 3 (Asia, Australia, Pacific Islands, Oceania, Indian Subcontinent, East Asia & Southeast Asia) | Mobile, Fixed |
License Type | Licensed public safety / SMR |
Primary Application | Public Safety and Specialized Mobile Radio (SMR) downlink paired with 806β824 MHz uplink |
Primary Services | Mobile, Fixed |
Spurious Emission [dBm] | -30 (baseline) |
Lower Neighbor Use | No adjacent allocation defined |
Upper Neighbor Use | Cellular 850 (CLR) β Downlink |
Licensing Model | Licensed (Public safety / LMR) |
Typical Services Devices | Narrowband/Trunked LMR downlinks |
US FCC Alloc | Public Safety / LMR (Downlink)β |
CA IC Alloc | Public Safety / LMR (Downlink)β |
UK Ofcom Alloc | LMR (regional)β |
US Ref | 47 CFR Part 90 (Private Land Mobile) |
Typical Bandwidths | 5, 10, 20 MHz |
Market Licensing Model | Auctioned (IMT) |
Market Common Devices | LTE/NR smartphones, legacy GSM/CDMA devices |
Fresnel Radius (1st, 1 km) [m] | 9.3112896854805 |
Typical Bandwidths (Estimated) | 5, 10, 20 MHz |
Auction Status | – |
Refarming Use | No |
Typical Site Spacing km | 2 / 8 |
Device Ecosystem Size | Medium (100β1000 models) |
Traffic Load Share | Coverage-heavy, low capacity share |
Device Hotspots (MHz) | 868.1/868.3/868.5 |
Device Category | LoRa / LoRaWAN; UHF RFID (EPC Gen2); Smart Meter / RFLAN |
Typical Use Cases | LPWAN sensors/meters/trackers; inventory, access control, asset tracking; utility metering, AMI backhaul |
Typical Center Frequencies [MHz] | EU 868 (125 kHz); US 915 (125/500 kHz); EU 433; EU 865β868; US 902β928; 902β928 (US); 868 (EU) |
Rule Part (Fcc Or Region) | FCC Part 15.247; ETSI EN 300 220; FCC Part 15.247; ETSI EN 302 208 |
Modulation (Device) | LoRa (CSS); Reader: ASK/PR-ASK; Tag: backscatter; FSK/O-QPSK (802.15.4g) |
Channel Width (Device) [kHz] | 125β500; 200β500; 50β200 |
Device Region Profiles | EU: 868; US: 902β928; AU/NZ: 915β928; AS923 variants; EU 865β868; US 902β928; US 902β928; EU 868 |
Per-Region EIRP Or Duty (Device) | EU β€14 dBm; US up to 30 dBm class (gateway); EU β€33 dBm EIRP; US up to 36 dBm EIRP (typical); Region-specific; low duty at endpoints |
Allocation Relevance (Device) | ISM LPWAN allocations; SRD/ISM allocations; ISM allocations enable fixed network |
Adjacent-Band Collision Risks (Device) | 915 MHz overlaps Z-Wave/RFID/smart meters; Collision with LoRa/Z-Wave/smart meters in 915 band; 915 MHz congestion with LoRa/RFID/Z-Wave |
Example Devices Or Skus | Cellular (2G/3G Legacy Devices) |
Antenna Form Factor (Typical) | ΒΌ-wave β 8.67 cm |
Power Source Or Duty Profile (Typical) | Battery sensors; mains gateways; Mains readers; passive tags; Mains-powered endpoints and relays |
π‘οΈ Regulatory & Neighbors
Field | Value |
---|---|
Lower Band Frequency Limit | 851 |
Upper Band Frequency Limit | 869 |
Rx Blocking Min dBm | -15 (planning) |
Lower Neighbor Use | No adjacent allocation defined |
Upper Neighbor Use | Cellular 850 (CLR) β Downlink |
Lower Neighbor Band | Cellular 850 (CLR) β Uplink (segment) |
Lower Neighbor Range | 836.000β849.000 MHz |
Upper Neighbor Label | Cellular 850 (CLR) β Downlink |
Upper Neighbor Range | 870.000β894.000 MHz |
Adjacent-Band Collision Risks (Device) | 915 MHz overlaps Z-Wave/RFID/smart meters; Collision with LoRa/Z-Wave/smart meters in 915 band; 915 MHz congestion with LoRa/RFID/Z-Wave |
Real-World Range (Indoor/Outdoor) | Urban 1β3 km; Suburban 2β10 km; Rural 10β20+ km; Gates/portals up to several meters; handheld shorter; Urban street-scale mesh; hub range hundreds of meters |
US FCC Alloc | Public Safety / LMR (Downlink)Public Safety / LMR (Downlink) |
CA IC Alloc | Public Safety / LMR (Downlink)Public Safety / LMR (Downlink) |
UK Ofcom Alloc | LMR (regional)LMR (regional) |
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 | Global |
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 | 836.000β849.000 MHz |
Upper Neighbor Range | 870.000β894.000 MHz |
Interference Notes | Adjacent cellular downlinks; filtering needed |
Market Licensing Model | Auctioned (IMT) |
Market Commercial Value | High-value IMT band |
Market Common Devices | LTE/NR smartphones, legacy GSM/CDMA devices |
Market Deployment Density | Dense urban, broad rural coverage |
Noise Floor (Estimated) | -110 dBm (est.) |
Market Commercial Value (Estimated) | High-value IMT band |
Ecosystem Maturity | Emerging |
Indoor Penetration | Good |
Known Interference | No major interference issues noted |
Device Ecosystem Size | Medium (100β1000 models) |
Real-World Range (Indoor/Outdoor) | Urban 1β3 km; Suburban 2β10 km; Rural 10β20+ km; Gates/portals up to several meters; handheld shorter; Urban street-scale mesh; hub range hundreds of meters |
Antenna Form Factor (Typical) | ΒΌ-wave β 8.67 cm |
Ecosystem Maturity | Emerging |
Device Ecosystem Size | Medium (100β1000 models) |
Chipset Availability | Specialized vendors (Motorola, Airbus) |
Operator Deployments | Regional/national public safety agencies |
Technology Generations Deployed | LMR / TETRA digital voice |
Roaming Support | No |
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 | EU868: 863β870; US915: 902β928; EU433: 433.05β434.79; Reader channels regional; listen-before-talk in EU; FHSS sub-bands; utility-specific profiles |
Security Features | AES-128 network/app keys; Readerβtag security varies by generation; AES-128 or stronger (utility) |
Lbt Or Fhss Requirement | EU: LBT/duty-cycle; US: hopping/dwell; EU: LBT; US: hopping/dwell; FHSS/LBT as region requires |
Popularity (Installed Base) | High |
Coexistence Tips | Use sub-band plans; ADR; avoid continuous beacons; Directional antennas; duty limits; channel planning; Antenna height; avoid same sub-band as neighbors |
Latency Class | Not critical / ALOHA; Low/Interactive (reader-driven); Not critical / scheduled |
Device Hotspots (Scoped && Tagged) | β |