1979 MHz – Frequency Band & Applications

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Frequency
1979 MHz
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Range
1920–1980 MHz
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Band Group
PCS 1900 Downlink

🌐 Summary

The 1979 MHz allocation is part of the PCS 1900 Downlink 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: REGIONAL ALLOCATION: Americas – Band 2 downlink (towers transmit to mobiles, 1930-1990 MHz, paired with 1850-1910 UL). Europe/Asia/Africa – Band 1 uplink (mobiles transmit to towers, 1920-1980 MHz, paired with 2110-2170 DL). OPPOSITE DIRECTIONS in same frequency. Multi-band global devices support both..

REGIONAL DIFFERENCES: Americas – Band 2 DOWNLINK (towers transmit 1930-1990 MHz, paired with 1850-1910 UL). Europe/Asia/Africa – Band 1 UPLINK (mobile devices transmit 1920-1980 MHz, paired with 2110-2170 DL). OPPOSITE DIRECTIONS: Americas DL vs Europe/Asia UL. Same frequency, opposite use. Multi-band devices support both regions.

Americas: Terrestrial Mobile Downlink (Band 2); Europe/Asia: Terrestrial Mobile Uplink (Band 1) (Mobitex)
Americas: Terrestrial Mobile Downlink (Band 2); Europe/Asia: Terrestrial Mobile Uplink (Band 1) (Mobitex)

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📡 Band & Geometry key

Field Value
Wavelength (m) 0.1514868408287
Waveforms OFDMA (downlink); QPSK, 16-QAM, 64-QAM, 256-QAM modulation schemes
Antenna Form Factor (Typical) Macro: Panel antennas (2-8 ports); Small cell: Omni/integrated; UE: Internal/printed antennas
Band Family PCS 1900 (Band 2 DL 1930-1990)
Band PCS 1900 (1850-1990 MHz)
Primary Common Name PCS 1900 Downlink (Band 2)
FSPL @ 1 km [dB] 98.378915884128
FSPL @ 10 km [dB] 118.37891588413
Fresnel Radius @ 1 km (m) 6.1539995293448
Band Group PCS 1900 Downlink
Tax Band Family IMT / Cellular (PCS 1900 – Americas)
Tax Band Class Americas: Terrestrial Mobile Downlink (Band 2); Europe/Asia: Terrestrial Mobile Uplink (Band 1)
(Mobitex)

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🧩 Applications & Usage

Field Value
Primary Application Cellular downlink (base station transmits to mobile devices)
Lower Neighbor Use 1920–1930 MHz PCS guard band
Upper Neighbor Use 1980–1990 MHz PCS downlink continuation
Typical Services Devices PCS 1900 Band 2 Downlink
Market Common Devices Smartphones, tablets, cellular modems, IoT modules, M2M devices
Refarming Use Refarm from GSM/CDMA to LTE (complete); ongoing transition to 5G NR
Device Ecosystem Size Very large (hundreds of millions of devices)
Device Hotspots (MHz) LTE EARFCN 600-1199 (1930-1990 MHz); GSM ARFCN 512-810; 5G NR per TS 38.104
Device Category Smartphones, tablets, cellular modems, IoT devices, M2M modules
Typical Use Cases Mobile broadband DL, voice, video
Modulation (Device) Downlink: QPSK, 16-QAM, 64-QAM, 256-QAM (LTE/5G)
Channel Width (Device) [kHz] 200 kHz (GSM); 1400-20000 kHz (LTE); flexible (5G NR)
Device Region Profiles US, Canada, Mexico, Latin America (Band 2)
Per-Region EIRP Or Duty (Device) BS: 43-49 dBm conducted (macro); 24-37 dBm (small cells); UE receive-only
Allocation Relevance (Device) Primary allocation for PCS cellular in Americas; critical mid-band spectrum
Adjacent-Band Collision Risks (Device) Low (guard band below; 10 MHz separation from Band 2 continuation above at 1980 MHz)
Example Devices Or Skus Apple iPhone (all LTE/5G models); Samsung Galaxy series; Google Pixel; cellular tablets; LTE modems; IoT devices
Common Protocols 3GPP Band 2, FCC Part 27

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🗒️ Notes

Field Value
Receiver Selectivity Notes ACS (Adjacent Channel Selectivity): ≥33 dB per 3GPP TS 36.101
Interference Notes Susceptible to IMD from concurrent transmissions in Band 4 (AWS) and Band 66; potential DAS in-building interference from insufficient isolation
Compatibility Risk Notes Not interchangeable with global Band 1 uplink usage
Notes REGIONAL DIFFERENCES: Americas – Band 2 DOWNLINK (towers transmit 1930-1990 MHz, paired with 1850-1910 UL). Europe/Asia/Africa – Band 1 UPLINK (mobile devices transmit 1920-1980 MHz, paired with 2110-2170 DL). OPPOSITE DIRECTIONS: Americas DL vs Europe/Asia UL. Same frequency, opposite use. Multi-band devices support both regions.
Propagation Notes Good coverage at 1.9 GHz

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⚙️ Technical Rules

Field Value
Lower Band Frequency Limit 1920
Upper Band Frequency Limit 1980
EIRP Indoor Limits BS 24-37 dBm (small cells)
EIRP Outdoor Limits BS 43-49 dBm (macro)
PSD Limit -13 dBm/MHz (FCC Part 27.50)
Emission Mask Class Category A (LTE general); FR1 Category A/B (5G NR)
Guardband Minimum [kHz] 200 kHz (GSM edges); varies with channel bandwidth (LTE/5G)
Typical Bandwidths 5, 10, 15, 20 MHz (LTE Band 2); 5-100 MHz flexible (5G NR n2)
Autocalculated Bandlimits PCS 1900 Band 2 Downlink
Typical Bandwidths (Estimated) 5, 10, 15, 20 MHz (LTE Band 2); 5-100 MHz flexible (5G NR n2)
Max EIRP [dBm] BS: 43-49 dBm conducted (macro); 24-37 dBm (small cells); UE receive-only
Power Source Or Duty Profile (Typical) Base stations: Grid power with battery backup; Continuous transmission
Channelization Plan PCS 1900 Band 2 Downlink
Channelization GSM 200 kHz, LTE 1.4-20 MHz, 5G NR flexible
Guard Band Requirement PCS 1900 Band 2 Downlink
OOB Emission Limit [dBm/MHz] -13 dBm/MHz @ ±2.5 MHz; -25 dBm/MHz @ ±5 MHz (3GPP TS 36.104)
Spurious Emission Limit (dBm) -13 dBm (9 kHz – 1 GHz); -30 dBm (1-12.75 GHz) per FCC Part 27.53
RX Blocking Min [dBm] -43 dBm (in-band blocking); -15 dBm (out-of-band blocking) per 3GPP TS 36.101
Duplexing FDD (downlink – BS → UE)
Duplexing Information Downlink portion of PCS 1900; paired with 1850–1910 MHz uplink
Uplink Pairing 1850–1910 MHz
Downlink Pairing 1930–1990 MHz (includes 1930–1980 MHz segment)
Paired Band Info 3GPP Band 2 downlink paired with Band 2 uplink
Max EIRP [dBm] BS: 61 dBm EIRP (macro with antenna gain); 43 dBm (small cell)
Channelization Block Size PCS 1900 Band 2 Downlink
3GPP Band Number
Example 3GPP Bands Band 2 (UL 1850-1910, DL 1930-1990)
LTE Uplink Bands Band 2 UL (1850-1910)
LTE Downlink Bands Band 2 DL (1930-1990)
NR Uplink Bands n2 UL (1850-1910)
NR Downlink Bands n2 DL (1930-1990)
Guard Bands Guard at 1910-1930 MHz
Protocol Or Standard 3GPP TS 36.101 (Band 2), FCC Part 27 (PCS)

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🌎 Country Overrides

Field Value
Tax Service Category Terrestrial Mobile (PCS)
Tax License Type Licensed (FCC/ISED PCS assignments)
Tax Regions Americas (United States, Canada, Latin America)
ITU Region 1 (Europe, Africa, Middle East (west of Persian Gulf), Western Russia & Mongolia) N/A (Region 1 uses Band 1 uplink at these frequencies)
ITU Region 2 (North America, South America, Central America, Caribbean, Greenland, Eastern Pacific Islands (Americas region)) MOBILE – PCS 1900 (Band 2 downlink 1930-1990 MHz)
ITU Region 3 (Asia, Australia, Pacific Islands, Oceania, Indian Subcontinent, East Asia & Southeast Asia) N/A (Region 3 uses Band 1 uplink at these frequencies)
License Type Licensed spectrum (exclusive use rights via FCC/ISED auctions)
Primary Application Cellular downlink (base station transmits to mobile devices)
Primary Services Mobile broadband, voice (VoLTE), video streaming
Spurious Emission [dBm] -13 dBm (9 kHz – 1 GHz); -30 dBm (1-12.75 GHz) per FCC Part 27.53
Lower Neighbor Use 1920–1930 MHz PCS guard band
Upper Neighbor Use 1980–1990 MHz PCS downlink continuation
Licensing Model Licensed PCS blocks
Typical Services Devices PCS 1900 Band 2 Downlink
US FCC Alloc MOBILE (primary) – PCS Part 27 (downlink)–

CA IC Alloc MOBILE (primary) – PCS SRSP-512 (downlink)–

UK Ofcom Alloc N/A (UK uses different allocation – Band 1 uplink)–

US Ref 3GPP TS 36.101 (Band 2)
Typical Bandwidths 5, 10, 15, 20 MHz (LTE Band 2); 5-100 MHz flexible (5G NR n2)
Market Licensing Model Exclusive licensing via competitive auctions (FCC, ISED)
Market Common Devices Smartphones, tablets, cellular modems, IoT modules, M2M devices
Fresnel Radius (1st, 1 km) [m] 6.1539995293448
Typical Bandwidths (Estimated) 5, 10, 15, 20 MHz (LTE Band 2); 5-100 MHz flexible (5G NR n2)
Auction Status Fully licensed; initial auctions 1994-1996; renewals ongoing
Refarming Use Refarm from GSM/CDMA to LTE (complete); ongoing transition to 5G NR
Typical Site Spacing km 0.5-2 km (dense urban); 1-3 km (urban) / 5-15 km (rural); up to 35 km (remote areas)
Device Ecosystem Size Very large (hundreds of millions of devices)
Traffic Load Share High: 30-50% of total cellular traffic in many markets (shared with low-band and other mid-band)
Device Hotspots (MHz) LTE EARFCN 600-1199 (1930-1990 MHz); GSM ARFCN 512-810; 5G NR per TS 38.104
Device Category Smartphones, tablets, cellular modems, IoT devices, M2M modules
Typical Use Cases Mobile broadband DL, voice, video
Typical Center Frequencies [MHz] LTE: 1930-1990 MHz (60 MHz); 5G NR: flexible within 1930-1990 MHz
Rule Part (Fcc Or Region) FCC Part 27 (PCS); ISED SRSP-512 (Canada); ANATEL (Brazil)
Modulation (Device) Downlink: QPSK, 16-QAM, 64-QAM, 256-QAM (LTE/5G)
Channel Width (Device) [kHz] 200 kHz (GSM); 1400-20000 kHz (LTE); flexible (5G NR)
Device Region Profiles US, Canada, Mexico, Latin America (Band 2)
Per-Region EIRP Or Duty (Device) BS: 43-49 dBm conducted (macro); 24-37 dBm (small cells); UE receive-only
Allocation Relevance (Device) Primary allocation for PCS cellular in Americas; critical mid-band spectrum
Adjacent-Band Collision Risks (Device) Low (guard band below; 10 MHz separation from Band 2 continuation above at 1980 MHz)
Example Devices Or Skus Apple iPhone (all LTE/5G models); Samsung Galaxy series; Google Pixel; cellular tablets; LTE modems; IoT devices
Antenna Form Factor (Typical) Macro: Panel antennas (2-8 ports); Small cell: Omni/integrated; UE: Internal/printed antennas
Power Source Or Duty Profile (Typical) Base stations: Grid power with battery backup; Continuous transmission

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🛡️ Regulatory & Neighbors

Field Value
Lower Band Frequency Limit 1920
Upper Band Frequency Limit 1980
Rx Blocking Min dBm -43 dBm (in-band blocking); -15 dBm (out-of-band blocking) per 3GPP TS 36.101
Lower Neighbor Use 1920–1930 MHz PCS guard band
Upper Neighbor Use 1980–1990 MHz PCS downlink continuation
Lower Neighbor Band PCS Guard Band
Lower Neighbor Range 1920–1930 MHz
Upper Neighbor Label PCS Downlink (Band 2)
Upper Neighbor Range 1980–1990 MHz
Adjacent-Band Collision Risks (Device) Low (guard band below; 10 MHz separation from Band 2 continuation above at 1980 MHz)
Real-World Range (Indoor/Outdoor) Urban: 0.5-2 km; Suburban: 2-10 km; Rural: 10-35 km (macro BS); Indoor penetration: moderate (10-20 dB loss)
US FCC Alloc MOBILE (primary) – PCS Part 27 (downlink)MOBILE (primary) – PCS Part 27 (downlink)

CA IC Alloc MOBILE (primary) – PCS SRSP-512 (downlink)MOBILE (primary) – PCS SRSP-512 (downlink)

UK Ofcom Alloc N/A (UK uses different allocation – Band 1 uplink)N/A (UK uses different allocation – Band 1 uplink)

Regulatory References US: 3GPP TS 36.101 (Band 2); CA: 3GPP TS 36.101 (Band 2); UK: N/A in UK (uses Band 1 UL here, not Band 2 DL)
Global Harmonization Not harmonized globally. Americas: Band 2 DL. Other regions: Band 1 UL at same frequencies.
Crossborder Coordination Critical – Americas: US-Canada/Mexico PCS
Sharing Mechanism No sharing – exclusive licensed spectrum per operator
Auction Status Fully licensed; initial auctions 1994-1996; renewals ongoing
Guard Or Pair Paired (FDD)

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📈 Market & Measurements

Field Value
Noise Floor Thermal: -174 dBm/Hz + 10*log10(BW) = -104 dBm (10 MHz); -107 dBm (20 MHz)
Interference Cases PCS 1900 Band 2 Downlink
Lower Neighbor Range 1920–1930 MHz
Upper Neighbor Range 1980–1990 MHz
Interference Notes Susceptible to IMD from concurrent transmissions in Band 4 (AWS) and Band 66; potential DAS in-building interference from insufficient isolation
Market Licensing Model Exclusive licensing via competitive auctions (FCC, ISED)
Market Commercial Value High value mid-band spectrum; ~$0.50-2.00/MHz-pop in major markets
Market Common Devices Smartphones, tablets, cellular modems, IoT modules, M2M devices
Market Deployment Density Very dense in urban areas; moderate suburban; sparse rural
Noise Floor (Estimated) Thermal: -174 dBm/Hz + 10*log10(BW) = -104 dBm (10 MHz); -107 dBm (20 MHz)
Market Commercial Value (Estimated) High value mid-band spectrum; ~$0.50-2.00/MHz-pop in major markets
Ecosystem Maturity Very mature: deployed since 1990s (GSM-1900); evolved through CDMA, UMTS, LTE, 5G NR; extensive chipset and device support
Indoor Penetration Moderate penetration at 1.9 GHz; 10-20 dB building loss
Known Interference IMD products from concurrent Band 4/66 operation; in-building DAS interference; cross-border coordination issues (US-Canada/Mexico)
Device Ecosystem Size Very large (hundreds of millions of devices)
Real-World Range (Indoor/Outdoor) Urban: 0.5-2 km; Suburban: 2-10 km; Rural: 10-35 km (macro BS); Indoor penetration: moderate (10-20 dB loss)
Antenna Form Factor (Typical) Macro: Panel antennas (2-8 ports); Small cell: Omni/integrated; UE: Internal/printed antennas
Ecosystem Maturity Very mature: deployed since 1990s (GSM-1900); evolved through CDMA, UMTS, LTE, 5G NR; extensive chipset and device support
Device Ecosystem Size Very large (hundreds of millions of devices)
Chipset Availability High
Operator Deployments AT&T, Verizon, T-Mobile, Rogers, Telus, Bell, Telcel
Technology Generations Deployed 2G GSM-1900, 3G CDMA2000/UMTS, 4G LTE Band 2, 5G NR n2
Roaming Support Extensive: Band 2 roaming within Americas (US, Canada, Mexico, Latin America); limited outside Americas
Traffic Load Share High: 30-50% of total cellular traffic in many markets (shared with low-band and other mid-band)
Indoor Penetration Moderate penetration at 1.9 GHz; 10-20 dB building loss
Known Interference IMD products from concurrent Band 4/66 operation; in-building DAS interference; cross-border coordination issues (US-Canada/Mexico)
Occupancy Very high (>90% in urban markets; 70-85% suburban; 40-60% rural)
Occupancy Bucket Pct 85-95% (market and geography dependent)
Latency Profile Low latency: <10 ms (LTE); <1 ms (5G URLLC)
Common Channels Or Profiles LTE: EARFCN per 3GPP TS 36.104 Table 5.7.3-1; GSM-1900 carriers at 200 kHz spacing
Security Features LTE/5G encryption; authentication via SIM/eSIM; network slicing (5G)
Lbt Or Fhss Requirement Not required (licensed spectrum with exclusive use rights)
Popularity (Installed Base) Very high: hundreds of millions of devices; nearly universal Band 2 support in Americas smartphones
Coexistence Tips Coordinate with Band 4/66 to avoid IMD; use proper filtering for DAS systems; manage cross-border interference at US-Canada and US-Mexico borders
Latency Class Low latency: <10 ms (LTE); <1 ms (5G URLLC)
Device Hotspots (Scoped &&AMP; Tagged) High activity: 1960-1980 MHz (upper channels); Moderate: 1930-1950 MHz (lower channels)

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