π‘
Frequency
1899 MHz
Frequency
1899 MHz
π§
Range
1880β1899 MHz
Range
1880β1899 MHz
π§©
Band Group
DECT / 1.9 GHz TDD
Band Group
DECT / 1.9 GHz TDD
π Summary
The 1899 MHz allocation is part of the DECT / 1.9 GHz TDD 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: DECT cordless telephony (1880-1899 MHz), lower portion of full DECT/Band 39 allocation (1880-1920 MHz). Unlicensed use in Europe and Asia per ETSI EN 300 175. TDD operation for cordless phones (base and handset). 1.728 MHz channel spacing, 10 carriers. Upper portion (1900-1920 MHz) often allocated to Band 39 TDD cellular in China. Short range (50m indoor, 300m outdoor). Consumer cordless phones, baby monitors, wireless headsets..
DECT cordless phones lower portion (1880-1899 MHz). Full DECT/Band 39 allocation is 1880-1920 MHz. This file covers the lower 20 MHz; upper portion (1900-1920 MHz) often used for Band 39 TDD in China. DECT is unlicensed in Europe/Asia (ETSI EN 300 175).
π Explore the full RF Spectrum database
π‘ Band & Geometry key
| Field | Value |
|---|---|
| Wavelength (m) | 0.15786859294365 |
| Waveforms | BPSK(1), BOC(1,1), MBOC β per system specs |
| Antenna Form Factor (Typical) | DECT: whip/stub antenna; TDD: similar to FDD cellular |
| Band Family | DECT / TDD Cellular (Band 39: 1880-1920 MHz) |
| Band | LβBand |
| Primary Common Name | DECT Cordless (1880-1899 MHz) |
| FSPL @ 1 km [dB] | 98.02 |
| FSPL @ 10 km [dB] | 118.02 |
| Fresnel Radius @ 1 km (m) | 6.282 |
| Band Group | DECT / 1.9 GHz TDD |
| Tax Band Family | DECT Cordless (1880β1900 MHz) |
| Tax Band Class | 1880 to 1900 MHz DECT Cordless (ETSI) / Short-range (TDD) (Mobitex) |
𧩠Applications & Usage
| Field | Value |
|---|---|
| Primary Application | DECT cordless telephony (short-range indoor); lower portion of DECT/Band 39 allocation |
| Lower Neighbor Use | Band 3 Downlink (1805β1880 MHz) Europe/Asia; Band 2 Uplink (1850-1880 MHz) Americas |
| Upper Neighbor Use | DECT/Band 39 continuation (1900-1920 MHz); then AWS Downlink (2110+ MHz) |
| Typical Services Devices | Cordless voice; enterprise PBX handsets; indoor short-range links |
| Market Common Devices | DECT cordless phones, baby monitors; TD-DECT smartphones, base stations (China) |
| Refarming Use | Not applicable (short-range cordless band) |
| Device Ecosystem Size | DECT: Large (100M+ devices); : Large in China |
| Device Hotspots (MHz) | DECT: 1897 (center); : 1900 (center) |
| Device Category | Cordless handset and DECT base station (residential/enterprise) |
| Typical Use Cases | Cordless phones, office handsets, PBX extensions, indoor voice systems |
| Modulation (Device) | GFSK / Ο/4-DQPSK / 8-DPSK (DECT variants) |
| Channel Width (Device) [kHz] | 1728 |
| Device Region Profiles | DECT: Europe, Asia; : China primarily |
| Per-Region EIRP Or Duty (Device) | DECT: 24 dBm (250 mW); TDD: BS 33-43 dBm, UE 23-24 dBm |
| Allocation Relevance (Device) | DECT: High in Europe; : High in China |
| Adjacent-Band Collision Risks (Device) | DECT: co-channel interference management; TDD: guard time critical |
| Example Devices Or Skus | DECT: Panasonic, Gigaset cordless phones; : Huawei, Xiaomi (China) |
| Common Protocols | DECT (ETSI EN 300 175 series) |
ποΈ Notes
| Field | Value |
|---|---|
| Receiver Selectivity Notes | DECT: adjacent channel rejection; TDD: per specifications for |
| Interference Notes | DECT: listen-before-talk coordination; TDD: guard time synchronization critical |
| Compatibility Risk Notes | 0 |
| Notes | DECT cordless phones lower portion (1880-1899 MHz). Full DECT/Band 39 allocation is 1880-1920 MHz. This file covers the lower 20 MHz; upper portion (1900-1920 MHz) often used for Band 39 TDD in China. DECT is unlicensed in Europe/Asia (ETSI EN 300 175). |
| Propagation Notes | DECT: short range (50m indoor); TDD: similar to FDD cellular propagation |
βοΈ Technical Rules
| Field | Value |
|---|---|
| Lower Band Frequency Limit | 1880 |
| Upper Band Frequency Limit | 1899 |
| EIRP Indoor Limits | DECT: 250 mW (24 dBm) EIRP; TDD cellular: BS/UE varies by deployment |
| EIRP Outdoor Limits | DECT: typically indoor use only; TDD cellular: 23-43 dBm depending on device type |
| PSD Limit | Not applicable β receive-only band |
| Emission Mask Class | receive-only band (no transmitters) |
| Guardband Minimum [kHz] | N/A β receive-only band |
| Typical Bandwidths | 12.5 kHzβ5 MHz (systemβdependent) |
| Autocalculated Bandlimits | 0 |
| Typical Bandwidths (Estimated) | 12.5 kHzβ5 MHz (systemβdependent) |
| Max EIRP [dBm] | DECT: 24 dBm (250 mW); TDD: BS 33-43 dBm, UE 23-24 dBm |
| Power Source Or Duty Profile (Typical) | DECT: battery (handset), AC (base); TDD: similar to FDD |
| Channelization Plan | DECT carrier plan in 1880β1900 MHz; region-dependent variants |
| Channelization | 10 carriers (1.728 MHz spacing) with 24 time slots per carrier (DECT) |
| Guard Band Requirement | DECT: none (unlicensed); TDD: guard time between UL/DL slots |
| OOB Emission Limit [dBm/MHz] | Strict OOBE < β60 dBm/MHz to protect adjacent channels |
| Spurious Emission Limit (dBm) | β€ β60 dBm/MHz (strict protection standard) |
| RX Blocking Min [dBm] | DECT: per ETSI specs; TDD: similar to FDD blocking |
| Duplexing | TDD (both directions) / Unlicensed (DECT) |
| Duplexing Information | Downlink (spaceβtoβEarth) |
| Uplink Pairing | Unpaired (TDD or unlicensed); time-division duplexing |
| Downlink Pairing | |
| Paired Band Info | Paired downlink typically 1930β1995 MHz (PCS/Band 2/25), region-dependent |
| Max EIRP [dBm] | N/A β receive-only band |
| Channelization Block Size | Operator carriers (kHzβMHz) |
| 3GPP Band Number | |
| Example 3GPP Bands | N/A (not a band) |
| LTE Uplink Bands | TDD (1880-1920 MHz in China); N/A for DECT |
| LTE Downlink Bands | TDD (1880-1920 MHz in China); N/A for DECT |
| NR Uplink Bands | TDD (in some regions); N/A for DECT |
| NR Downlink Bands | TDD (in some regions); N/A for DECT |
| Guard Bands | Band-edge emission masks and adjacent-block coordination apply (region-specific) |
| Protocol Or Standard | DECT (ETSI EN 300 175 series) |
π Country Overrides
| Field | Value |
|---|---|
| Tax Service Category | Short-range cordless (DECT) |
| Tax License Type | License-exempt / unlicensed (DECT, region-specific rules) |
| Tax Regions | Primarily Europe and other regions where DECT is allocated; indoor short-range cordless and enterprise telephony |
| 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 / auctioned (regionβspecific) |
| Primary Application | DECT cordless telephony (short-range indoor); lower portion of DECT/Band 39 allocation |
| Primary Services | Cordless telephony (DECT); TDD mobile broadband ( in China) |
| Spurious Emission [dBm] | β€ β60 dBm/MHz (strict protection standard) |
| Lower Neighbor Use | Band 3 Downlink (1805β1880 MHz) Europe/Asia; Band 2 Uplink (1850-1880 MHz) Americas |
| Upper Neighbor Use | DECT/Band 39 continuation (1900-1920 MHz); then AWS Downlink (2110+ MHz) |
| Licensing Model | DECT: Unlicensed/license-exempt; TDD : Licensed (China primarily) |
| Typical Services Devices | Cordless voice; enterprise PBX handsets; indoor short-range links |
| US FCC Alloc | Unlicensed PCS / Fixed (Part 15); varies by region for TDD cellularβ |
| CA IC Alloc | MOBILE (primary); unlicensed devices (Part 15) for DECTβ |
| UK Ofcom Alloc | DECT license-exempt; MOBILE in some regionsβ |
| US Ref | ETSI EN 300 175 (DECT); TS 36.101 (); FCC Part 15 (unlicensed) |
| Typical Bandwidths | 12.5 kHzβ5 MHz (systemβdependent) |
| Market Licensing Model | DECT: Unlicensed (Part 15 in US, ETSI in Europe); TDD: Licensed in China |
| Market Common Devices | DECT cordless phones, baby monitors; TD-DECT smartphones, base stations (China) |
| Fresnel Radius (1st, 1 km) [m] | 6.282 |
| Typical Bandwidths (Estimated) | 12.5 kHzβ5 MHz (systemβdependent) |
| Auction Status | DECT: N/A (unlicensed); : Licensed in China |
| Refarming Use | Not applicable (short-range cordless band) |
| Typical Site Spacing km | N/A β space segment with global footprint. / N/A β space segment with global footprint. |
| Device Ecosystem Size | DECT: Large (100M+ devices); : Large in China |
| Traffic Load Share | DECT: Low (voice only); : High in China |
| Device Hotspots (MHz) | DECT: 1897 (center); : 1900 (center) |
| Device Category | Cordless handset and DECT base station (residential/enterprise) |
| Typical Use Cases | Cordless phones, office handsets, PBX extensions, indoor voice systems |
| Typical Center Frequencies [MHz] | DECT: 1897; : 1900 |
| Rule Part (Fcc Or Region) | FCC Part 15 (unlicensed DECT); ETSI EN 300 175; China MIIT for |
| Modulation (Device) | GFSK / Ο/4-DQPSK / 8-DPSK (DECT variants) |
| Channel Width (Device) [kHz] | 1728 |
| Device Region Profiles | DECT: Europe, Asia; : China primarily |
| Per-Region EIRP Or Duty (Device) | DECT: 24 dBm (250 mW); TDD: BS 33-43 dBm, UE 23-24 dBm |
| Allocation Relevance (Device) | DECT: High in Europe; : High in China |
| Adjacent-Band Collision Risks (Device) | DECT: co-channel interference management; TDD: guard time critical |
| Example Devices Or Skus | DECT: Panasonic, Gigaset cordless phones; : Huawei, Xiaomi (China) |
| Antenna Form Factor (Typical) | DECT: whip/stub antenna; TDD: similar to FDD cellular |
| Power Source Or Duty Profile (Typical) | DECT: battery (handset), AC (base); TDD: similar to FDD |
π‘οΈ Regulatory & Neighbors
| Field | Value |
|---|---|
| Lower Band Frequency Limit | 1880 |
| Upper Band Frequency Limit | 1899 |
| Rx Blocking Min dBm | DECT: per ETSI specs; TDD: similar to FDD blocking |
| Lower Neighbor Use | Band 3 Downlink (1805β1880 MHz) Europe/Asia; Band 2 Uplink (1850-1880 MHz) Americas |
| Upper Neighbor Use | DECT/Band 39 continuation (1900-1920 MHz); then AWS Downlink (2110+ MHz) |
| Lower Neighbor Band | Mobile Downlink (Band 3) |
| Lower Neighbor Range | 1805β1880 MHz (Band 3 DL) |
| Upper Neighbor Label | AWS / Band 66 Downlink |
| Upper Neighbor Range | 1900-1920 MHz (DECT/Band 39 upper portion) |
| Adjacent-Band Collision Risks (Device) | DECT: co-channel interference management; TDD: guard time critical |
| Real-World Range (Indoor/Outdoor) | DECT: 50m indoor, 300m outdoor; TDD: similar to FDD cellular |
| US FCC Alloc | Unlicensed PCS / Fixed (Part 15); varies by region for TDD cellularUnlicensed PCS / Fixed (Part 15); varies by region for TDD cellular |
| CA IC Alloc | MOBILE (primary); unlicensed devices (Part 15) for DECTMOBILE (primary); unlicensed devices (Part 15) for DECT |
| UK Ofcom Alloc | DECT license-exempt; MOBILE in some regionsDECT license-exempt; MOBILE in some regions |
| Regulatory References | US: ETSI EN 300 175 (DECT); TS 36.101 (); FCC Part 15 (unlicensed); CA: ETSI EN 300 175 (DECT); TS 36.101 () for TDD; UK: Ofcom IR 2000; ETSI EN 300 175 (DECT) |
| Global Harmonization | DECT: Europe/Asia; : China-specific (not harmonized globally) |
| Crossborder Coordination | DECT: minimal (unlicensed); TDD: important for in border regions |
| Sharing Mechanism | DECT: unlicensed sharing (Part 15/ETSI); TDD: licensed exclusive (China) |
| Auction Status | DECT: N/A (unlicensed); : Licensed in China |
| Guard Or Pair | Unpaired (TDD / unlicensed) |
π Market & Measurements
| Field | Value |
|---|---|
| Noise Floor | Thermal noise floor ~-174 dBm/Hz + device noise figure |
| Interference Cases | DECT: unlicensed coexistence; TDD: guard time coordination, cross-border interference |
| Lower Neighbor Range | 1805β1880 MHz (Band 3 DL) |
| Upper Neighbor Range | 1900-1920 MHz (DECT/Band 39 upper portion) |
| Interference Notes | DECT: listen-before-talk coordination; TDD: guard time synchronization critical |
| Market Licensing Model | DECT: Unlicensed (Part 15 in US, ETSI in Europe); TDD: Licensed in China |
| Market Commercial Value | DECT: High in Europe (cordless phones); TDD: High in China ( deployment) |
| Market Common Devices | DECT cordless phones, baby monitors; TD-DECT smartphones, base stations (China) |
| Market Deployment Density | DECT: High (consumer cordless phones); TDD: High in China ( deployment) |
| Noise Floor (Estimated) | Thermal noise floor ~-174 dBm/Hz + device noise figure |
| Market Commercial Value (Estimated) | DECT: High in Europe (cordless phones); TDD: High in China ( deployment) |
| Ecosystem Maturity | DECT: Mature (1990s+); : Mature in China |
| Indoor Penetration | DECT: designed for indoor use; TDD: good at 1.9 GHz |
| Known Interference | DECT: co-channel interference from multiple devices; TDD: timing misalignment |
| Device Ecosystem Size | DECT: Large (100M+ devices); : Large in China |
| Real-World Range (Indoor/Outdoor) | DECT: 50m indoor, 300m outdoor; TDD: similar to FDD cellular |
| Antenna Form Factor (Typical) | DECT: whip/stub antenna; TDD: similar to FDD cellular |
| Ecosystem Maturity | DECT: Mature (1990s+); : Mature in China |
| Device Ecosystem Size | DECT: Large (100M+ devices); : Large in China |
| Chipset Availability | DECT: Specialized chipsets; : Chinese market chipsets |
| Operator Deployments | DECT: N/A (unlicensed); : Major Chinese operators (China Mobile, China Unicom) |
| Technology Generations Deployed | DECT / DECT 6.0 (region-dependent variants) |
| Roaming Support | DECT: N/A (cordless); : Limited (China-specific) |
| Traffic Load Share | DECT: Low (voice only); : High in China |
| Indoor Penetration | DECT: designed for indoor use; TDD: good at 1.9 GHz |
| Known Interference | DECT: co-channel interference from multiple devices; TDD: timing misalignment |
| Occupancy | DECT: High (consumer cordless); TDD: High in China deployment regions |
| Occupancy Bucket Pct | DECT: High in residential areas; TDD: High in China markets |
| Latency Profile | DECT: 10-20 ms (voice optimized); TDD: similar to FDD cellular |
| Common Channels Or Profiles | DECT carriers 0β9; TDD time slots (indoor) |
| Security Features | DECT: DECT Standard Cipher (DSC); TDD: security |
| Lbt Or Fhss Requirement | DECT: LBT (listen-before-talk); TDD: N/A (licensed) |
| Popularity (Installed Base) | DECT: Large (100M+ devices); : Large in China |
| Coexistence Tips | DECT: LBT coordination; TDD: synchronize guard times across operators |
| Latency Class | Low (voice-grade); short-range indoor link |
| Device Hotspots (Scoped && Tagged) | DECT: 1897 MHz region; : 1900 MHz region |