Earfcn formula

Earfcn formula. 3. The resultant value represents the NR-ARFCN. Now let me summarize several equations (formula) to show the correlations among these parameters. Wireless сellular tools. Formulas 5G NR-ARFCN Frequency calculation ()F REF = F REF-Offs + ΔF Global (N REF – N REF-Offs) . EARFCN stands for E-UTRA Absolute Radio Frequency Channel Number. To obtain the correct result of Spectral Efficiency calculator, it is necessary to: calculate 4G LTE Throughput calculator (depend on number of MIMO layers, Bandwidth, Frequency range, modulation type, and so on. We are glad to welcome you on 5G-tools. 3 Channel number (ECI) Calculator, 4G LTE EARFCN Dec 22, 2023 · In 4G LTE networks, ARFCN is used to define specific frequencies within a bandwidth. he calculation is based on the 3GPP standard recommendation. 104 R18. 5. 44 MHz . The page provides frequency to UARFCN and vice versa conversion equation. It provides the formulas to calculate the downlink and uplink EARFCN values from the downlink and uplink frequencies. The channel could be referred to by its frequency in MHz or its EARFCN number. 80 MHz: ARFCN (UL) 512 - 885 GetDownlinkCarrierFrequency (uint16_t earfcn) Calculates the dowlink carrier frequency from the E-UTRA Absolute Radio Frequency Channel Number (EARFCN) using the formula in 3GPP TS 36. 1(N DL – N Offs-DL). 8 – 890) = 124 F DL = F UL + 45 F DL = 914. In the context of 5G NR (New Radio), ARFCN is used to allocate specific channels within the radio spectrum for various services and applications. n = Number of observations. This document provides a guide for cell ID locking in LTE bands by listing the EARFCN, frequency in MHz, and DL frequency for bands 1, 3, 5, 28, 38, 40, and 41. It mentions formula or equation used for GSM ARFCN to frequency calculation. It can be used to calculated ARFCN from given frequency and Frequency for given ARFCN number for both 5G New 4G LTE: 4G LTE Throughput calculator, 4G LTE Link budget calculator, 4G LTE Cell ID (ECI) Calculator, 4G LTE EARFCN calculator, 4G LTE RS RE Power calculator, 4G LTE Users (CCE) calculator, Spectral Efficiency 4G LTE calculator, 4G LTE Timing Advance Distance Calculator, EPRE (Energy Per Resource Element) Calculator, 4G Neighbor planning Export calculation to . EARFCN stands for E-Utra Absolute Radio Frequency Channel Number and is the term used to refer to the CBRS Channel. 1: 412 437 462 487 512 537 562 587 612 637 662 687 : 1932. txt) or read online for free. Supports TDD, FDD and SDL, Carrier aggregation and MIMO RAT: LTE: LTE band: 18: Name: 800 Lower: Duplex mode: FDD: Frequency (UL) 815. The ARFCN values for LTE are computed based on the carrier frequency and the LTE standard's specific formula. 521-1 Table 5. 20 MHz - 1879. I hope to be helpful. LTE RSRP (Reference Signal Received Power), RSRQ (Reference Signal Received Quality), SINR (Signal to Interference & Noise Ratio) Metrics for CableFree LTE Oct 12, 2023 · ※アップリンクのEARFCNはAndroidで取得出来ない場合もあるので、その場合でもダウンリンクとアップリンクは通常対になっているため、ダウンリンクのEARFCNをそのまま使用し、[同Bandの周波数の下限(MHz)]はアップリンクの周波数に置き換えて計算するとよい。 This page mentions 5G NR Physical Layer Cell ID calculator. Following equations/formula are used in this LTE ECGI and ECI calculator. This website is a webapp (Mobile compatible) which serves as a resource hub for Telecom engineers to read 5G articles, offline calculators, 5G Quizzes and much more. May 18, 2023 · To calculate the NR-ARFCN, the band indicator and channel number are combined according to a specific formula defined by 3GPP. The relation between EARFCN and the carrier frequency in MHz for the. FUL is the uplink carrier frequency and NUL is the uplink EARFCN. FDL = FDL_low + 0. This formula involves multiplying the band indicator by a constant value and then adding the channel number. downlink EARFCN. Approximately Link budget can be calculated using the formula: The Link budget is a measure of the quality of a radio link between two points. It is a simple mathematical formula that helps in defining the carrier frequency, which in turn can be used to obtain a variety of channels. Cell ID Calculator . EARFCN, or the Evolved-UTRA Absolute Radio Frequency Channel Number, is a fancy acronym that is quite simple. F UL = F UL_low + 0. Calculate the maxium theoretical throughput of a specified LTE Configuration. 4. In formula: RSRQ = N x RSRP / RSSI. Number of Physical Resource Blocks (PRBs) in a slot (NPRBs)= Number of Used Carriers/12 Number of Physical Resource Blocks (PRBs) in a LTE frame = (NPRBs*20) Note: There are total 10 subframes in a LTE radio frame and each subframe consists of two slots. When configuring w Javascript library for calculate EARFCN and Frequency. This post elaborates on that terminology for greater understanding. 3-1 and NDL is the. LTE RSRP and RSRQ CALCULATOR EXAMPLE: Input : BW = 10 MHz , RSSI = -79 dBm Outputs : RSRP (dBm) = -106. 101-1,2 documents. Jul 18, 2017 · ARFCN stands for absolute radio frequency channel number. Dec 15, 2023 · In 5G, the relationship between ARFCN and frequency is not as direct as in previous generations. Constraints: The NR gNB id can be from 22-32 bits in length. Formula or equations used in LTE ECGI and ECI calculation. 306, 38. 8 + 45 = 959. e 0. RAT: GSM: GSM band: 1800: Name: 1800 DCS: Duplex mode: FDD: Frequency (UL) 1710. Downlink and Uplink EARFCN: Dec 29, 2023 · Formula for Frequency Calculation:To determine the exact frequency (in Hz) corresponding to a given EARFCN, one can use the following formula:Frequency (Hz)= ref+N×ΔfFrequency (Hz)=fref +N×ΔfWhere: reffref is the reference frequency for the given band. 8 MHz. 1(N UL – N Offs-UL) 5G FR(Frequency Range) / Operating Bandwidth in Detail. NN is the EARFCN value. g. Corresponding Local cell id would be 14 to 4 bits. Jun 18, 2024 · LTE frequency band and arfcn calculator. 2. Includes key functions like VLOOKUP, XLOOKUP, INDEX & MATCH, FILTER, RANK 4G/LTE - Access Control Quick Reference Access Confrol (ac-Barring, SSAC, EAB, Cell Barring) Hello everyone, today I will share a method for determining EARFCN, as described in the standard 3GPP 36. 5 1952. 104 chapter 5. 0 (2024-04-09) ; You can convert the NRARFCN to frequency, Frequency to NRARFCN The formula for 3G UMTS UARFCN is described in 3GPP TS 25. Algunos comunes son: Dec 5, 2023 · The 5G Absolute Radio Frequency Channel Number (NR-ARFCN) is a crucial parameter in 5G (fifth-generation) mobile communication systems. 5G ARFCN: The document discusses how to calculate the EARFCN (E-UTRA Absolute Radio Frequency Channel Number) value from the carrier frequency for LTE networks. 5G articles, quizzes & more! Dec 16, 2021 · ARFCN is an Absolute Radio Frequency channel number that is generally used for initial cell search where UE scans all frequencies and tries to latch on the legitimate frequency. This widget computes the EARFCN for an LTE carrier based on its Downlink and Uplink frequencies. In general, all involve dialing certain special codes in the dialer in order to bring up the hidden options. 8 MHz Arfcn = 5(F UL - 890) Arfcn = 5(914. This Page provides information about 4G LTE EARFCN Calculator. Remember to use the "downlink" or "RX" (U)ARFCN EARFCN (Channel Number) for Band 66 is from 66436 through 57335. 1(NDL – NOffs-DL) The relation between EARFCN and the carrier frequency in MHz for the uplink is given by the following equation where FUL_low and NOffs-UL are given in the table. downlink is given by the following equation, where FDL_low and NOffs-DL are given in table 5. EARFCN formula description and E-UTRA channel numbers, as specified by 3GPP. This is a randomly generated 48-bit 4G LTE: 4G LTE Throughput calculator, 4G LTE Link budget calculator, 4G LTE Cell ID (ECI) Calculator, 4G LTE EARFCN calculator, 4G LTE RS RE Power calculator, 4G LTE Users (CCE) calculator, Spectral Efficiency 4G LTE calculator, 4G LTE Timing Advance Distance Calculator, EPRE (Energy Per Resource Element) Calculator, 4G Neighbor planning EARFCN (Downlink Channel Number) allocated for LAA (Band 46) is as follows. It represents the identifier assigned to each carrier frequency used in the 5G New Radio (NR) standard. This document presents a method for determining the EARFCN, as described by the standard 3GPP 36. To obtain the correct result of Spectral Efficiency calculator, it is necessary to: calculate 5G NR Throughput (depend on number of MIMO layers, Bandwidth, Frequency range, modulation type, and so on. Esto varía mucho de teléfono a teléfono. Specifically, it designates one channel for the uplink signal (from the mobile device to the base station) and another channel for the downlink signal (from the base station to… Aug 11, 2020 · It is the frequency band of 3. The channel raster is 100KHz for all bands, which means that the carrier centre frequency must be an integer multiple of 100KHz. 104 LTE EARFCN to Frequency Conversion. Note: All NR bands are numberred using the previx n. 20 MHz - 1784. Following equation or formula is used for GSM ARFCN calculator in order to convert ARFCN to frequency. e. The UARFCN to frequency conversion formula used in this calculator are also mentioned. Note 3 : Frequency step between one EARFCN and the next is 100 Khz, i. PSS and SSS values and calculates PCI as output. Many of them are re-farming bands which have already been specified for 4G LTE. Following equations/formula are used in this LTE Resource Block Calculator. 5 1947. ΔfΔf is the channel bandwidth. No se encuentran recursos de mapeo en el idioma seleccionado. 3 of the RAN LLD Module. This may appear confusing at first glance but is the standard in LTE networks. Understanding NR-ARFCN requires a grasp of various concepts related to radio frequency channels and their This site is for everything on 4G/LTE. However, as far as I experienced (as of Sep 2017), some UE tend to work with only specific channel numbers in this band. 5 1942. 79dBm ; PRBs/BW = 50 LTE RSRP and RSRQ CALCULATOR formula or equations Jul 12, 2023 · The calculation is based on the 3GPP TS 38. 00 MHz: Frequency (DL) 860. 5G articles, quizzes & more! Mar 4, 2024 · Definition: An ARFCN is a unique code that specifies a pair of physical radio carriers used for transmission and reception in a land mobile radio system. The most fundamental (basic) measurement is RSRP. LTE EARFCN CALCULATOR EXAMPLE: Input : LTE EARFCN = 700 Outputs : LTE Downlink Frequency = 1940 MHz, LTE Uplink Frequency = 1860 MHz LTE EARFCN Calculator Formula or Equation. 5 May 16, 2018 · Javascript library for calculate EARFCN and Frequency. 1-1: GSCN parameters for the global frequency raster This page covers 5G NR Throughput Calculator. 101 5. Huawei support community is a communication center for sharing experiences and knowledge, solving questions and problems for enterprise partners, customers and engineers. It takes Downlink UARFCN as input and delivers Downlink Frequency, Uplink UARFCN and Uplink Frequency as the outputs. data rate) calculator is also described. In LTE, the carrier frequency in the uplink and downlink is designated by EARFCN, which ranges between 0-65535. By assigning unique 5G NR Cell Identity (NCI) to cells, minimizes interference and enables efficient frequency reuse within the network. Example 1: band E-GSM 900 uplink frequency 914. Please fill Uplink and Downlink frequencies squares. 101-1 and TS 38. For example Band-1 and Band-4 can have same Rx frequency 2110-2170 MHz, but their EARFCN are different. 5 GHZ operating in the LTE spectrum in the United States. For mobile networking technologies, these are integers used to represent a specific frequency within a band which a device and network use to communicate over. It means, in order to specify Band 66 we need a little bit of redesign RRC message specification (ASN specification) about Band Indicator and EARFCN settings. So the full NCI (gNB+CI is 36 bits from 0 to 68719476735). EARFCN Calculator. Input : LTE EARFCN = 700. Basics for this widget are addressed on section 2. LTE Related LINKS We usually see one parameter “EARFCN” in our project network optimization test. 306 standard: NR User Equipment (UE) radio access capabilities and uses formula to obtain a 5G NR Throughput data rate in the DL (downlink) and the UL (uplink). Сalculator allows to calculate the maximum Link budget of 4G LTE network depending on Cell Radius, eNodeB/UE configuration, Propagation model, attenuations, etc. This varies greatly from phone to phone. Simply select network type and type in the LCID/CID. UARFCN stands for UTRA Absolute Radio Frequency Channel Number mainly used for UMTS/WCDMA system to convert frequency in different bands to UARFCN number and vice versa. 3 "Carrier frequency and EARFCN". 78 dBm ; RSRQ (dBm) = -10. Table 5. LTE EARFCN Calculator Formula or Equation. This UMTS system based UARFCN calculator covers UMTS band 1 to band 26 under FDD topology. One is what we usually call (sub 6 Ghz) and the other is what we usually call millimeter wave. A equação básica é: \[ \text{Frequência de downlink (MHz)} = FDL_Low + 0,1 \times (N - NDL_Offset) \] Aug 29, 2024 · LTE EARFCN Calculator: EARFCN to Frequency Conversion GSM ARFCN to Frequency Calculator Erlang and Grade of Service (GoS) Calculator EVM(dB) to EVM(rms) Converter EVM (Rms) to EVM (dB) Converter Radio Horizon Calculator Microwave Band Pass Filter (BPF) Calculator Horn Antenna Calculator Formula to calculate 5G NR Cell Identity (NCI) : NCI = gNodeB ID * 2 ^ (36 -gNodeB ID Length) +Sector ID. Following equation or formula is used for calculation of 5G NR ARFCN from 5G NR frequency. The main purpose is to convert EARFCN to Frequency or vice versa to calculate EARFCN using frequency and band. This article explains how to convert between LTE carrier Frequency and EARFCN numbers. 80 MHz: Frequency (DL) 1805. com!. The table below mentions GSM ARFCN, downlink frequency equation and corresponding uplink frequency equation for various GSM frequency bands viz. 1(NDL – NOffs-DL) The relation between EARFCN and the carrier frequency in MHz for the uplink is given by the following equation This Page provides information about 4G LTE Link budget calculator. EARFCN-Frequency Calculator - Free download as Excel Spreadsheet (. The blacklisted cell is the cell UE should not make reselection to. It also mentions 5G NR PCI Formula. LTE PCI to PSS/SSS converter Dec 20, 2023 · 1. This article from ThoughtCo explains how to do it step by step, with examples and tips. CableFree LTE base stations use ETSI Industry Standard EARFCN to display channel numbers, rather than raw frequencies in MHz. In order to obtain the ARFCN/UARFCN/EARFCN, you will need to enter "Field Test Mode" in your phone. 00 MHz: E-ARFCN (UL) 23850 - 23999 1 day ago · La conversión de EARFCN a frecuencia se rige por fórmulas específicas que varían en función de la banda de frecuencia y el intervalo de EARFCN. , 5G operating band n1 and 4G operating band 1 overlaps. This mapping is defined in the 3rd Generation Partnership Project (3GPP) standards for 5G. In NR, there are roughly two large frequency range specified in 3GPP. Also refer LTE Identifiers>> page which mentions other identifiers such as GUMMEI, MMEI, MMEGI, PDN ID, TAI List, DRB ID, LBI, E-RAB ID, TEID etc. Generally the EARFCN is calculated by the 3GPP defined formula, so we don’t know directly what the central frequency is. 5 1937. - qvil/lte-earfcn-calculator Here, x i = ith observation, 1 ≤ i ≤ n. xlsx), PDF File (. It provides link to online calculator for the same. You can also learn about the history and differences between the two scales. The 5G NR PCI (Physical Layer Cell ID) calculator takes inputs e. 102 5. (ECI) Calculator, 4G LTE EARFCN calculator, 4G LTE RS RE Power calculator, 4G LTE 5G NR-Frequency to NR-ARFCN conversion formula. What do the terms RSRP, RSSI, RSRQ, SINR mean when talking about cell phone signal strength or quality of Free 5G NR calculators & resources! Get Throughput, ARFCN, GSCN, SSREF & CCE values. 00 MHz - 830. 2. 00 MHz - 875. GSM ARFCN Calculator Formula. In the original ASN design for LTE, they allocated 4 bits (1~64) for Band Indicator and 16 bits (0~66535) for EARFCN. CBRS supports channel bandwidths of 10, 15, and 20. The carrier frequency in the uplink and downlink is designated by the EARFCN (E-UTRA Absolute Radio Frequency Channel Number) in the range 0 – 65535. EARFCN; IP Tools Subnet Calculator. xls / . The formula for 5G NR GSCN is described in 3GPP TS 38. GSM ARFCN is the short form of absolute radio frequency channel number. Example 2: band E-GSM 900, Arfcn 1023 The relation between EARFCN and the carrier frequency in MHz for the. GSM 450, GSM 480, GSM 750,GSM 850,GSM 900(P-GSM,E-GSM,GSM-R),DCS 1800 and PCS 1900. The formula used in 5G NR throughput (i. Example: 5G NR spectral efficiency calculator: Inputs: Throughput = 2. Use this page calculate things such as eNB ID/RNC-ID/BSIC or hex values of IDs. Calculator is based on 3GPP TS 36. This parameter is the central frequency that the LTE system used. The basic equation is: \ [ \text {Downlink Frequency (MHz)} = FDL_Low + 0. Example: 5G NR GSCN = 7725, 5G SS ref Frequency = 3325. com is devoted to modern standards of wireless communications, such as 5G, 4G, etc. Band 66 : The range 2180-2200 MHz of the DL operating band is restricted to E-UTRA operation when carrier aggregation is configured The calculation is based on the 3GPP standard recommendation. LTE E-ARFCN Frequency calculation ()F DL = F DL_low + 0. 5G-tools. The 5G NR Throughput Calculator is developed as per 3GPP TS 38. For FDD (Frequency Division Duplex) LTE, the uplink and downlink frequencies are different, and ARFCN helps in specifying these frequencies. The formula for calculating EARFCN varies between frequency bands and is provided in the 3GPP specifications. 1 \times (N - NDL_Offset) \] \ [ \text {Uplink Frequency (MHz)} = FUL_Low + 0. For each EARFCN, you can configure a max 16 blacklisted cells. 4-1: E-UTRA channel numbers > 5G frequency band and nr-arfcn calculator. The full name is “E-UTRA Absolute Radio Frequency Channel Number”. 101-2 documents. This 5G NR ARFCN calculator is based on following table and above formula specified in 3GPP TS 38. There are three methods to find the mean for grouped data, depending on the size of the data. This page allows you to calculate the exact frequency from the channel numbers for 5G NR, 4G LTE, UMTS, GSM, CDMA and iDEN networks. Reading and understanding these equations and take a look at the plot shown above and see if you can understand any further than before you read this section. 101 section 5. A high-performance antenna or lower path loss (low frequencies) can be used to improve this quality of radio link channel between transmitter and receiver. 한국어 In 5G, time and frequency resource allocation of physical channels or signals are very flexible comparing to LTE; Due to this high flexibility, it is often tricky to understand how the configuration of such frequency and time domain works. Networking technologies utilise ranges of frequencies named bands. As mentioned in the figure, it is basically a number to represent gsm downlink-uplink frequency pair. Aug 5, 2024 · A conversão de EARFCN em frequência é regida por fórmulas específicas, que variam dependendo da banda de frequência e do intervalo de EARFCN. EARFCN in the LTE system is the short form of E-UTRA Absolute Radio Frequency Channel Number. 7. Though there are three equations, they are the same synonyms used to calculate LTE PCI value. Dec 13, 2023 · Calculation of EARFCN: The calculation of EARFCN involves mapping the carrier frequency to a corresponding integer value. 104. 3 days ago · earfcn 与 arfcn 和 uarfcn 有何不同？ 它专用于 lte 网络，而 arfcn 和 uarfcn 分别用于 gsm 和 umts 网络。 earfcn 值是否可以在下行链路和上行链路之间重叠？ earfcn 值在其特定范围内是唯一的，并且旨在避免重叠，提供下行链路频率和上行链路频率之间的清晰区别。 Welcome. Ir a la página de inicio Band: Formula offset: Uarfcn: Frequency (MHz) 2: Downlink: 1850. Band 66 : The range 2180-2200 MHz of the DL operating band is restricted to E-UTRA operation when carrier aggregation is configured The formula for 5G NR ARFCN is described in 3GPP TS 38. 3 Channel number and 3GPP TS 25. Band: Uplink (UE Tx, BS Rx) Downlink (BS Tx, UE Rx) Duplex Gap: Mode: n1 : 1920 - 1980 MHz: 2110 - 2170 MHz: 190 MHz: FDD: n2 : 1850 - 1910 MHz: 1930 - 1990 MHz: 80 MHz Para obtener el ARFCN/UARFCN/EARFCN, necesitará entrar en "Modo de Pruebas de Campo" en su teléfono. It will help you to convert the number of the 4G LTE EARFCN frequency channel to the 4G LTE frequency. (NOTE : In case of LTE, if a UE support a certain band, it tend to work with any channel number. A maximum of 8 EARFCNs (4 FDD + 4 TDD) can be listed in SIB 19. ARFCN (Absolute Radio Frequency Channel Number): ARFCN is a channel representation that is used to define specific frequency bands in a mobile communication system. ENTER UPLINK AND DOWNLINK FREQs (IN MHz) Formula/Equation used in LTE PCI Calculator for PSS/SSS to PCI conversion. It can be summarized as below. It also provides examples of calculating EARFCN values for different frequency ranges in Delhi and KTK to illustrate the WCDMA SIB19 specifies the LTE frequencies (EARFCN) and priorities. 5dB 4 days ago · This GSM ARFCN to Frequency calculator tool is designed to translate the Absolute Radio Frequency Channel Number (ARFCN) in the Global System for Mobile Communications (GSM) to their corresponding uplink and downlink frequencies. pdf), Text File (. La ecuación básica es: \[ \text{Frecuencia de enlace descendente (MHz)} = FDL_Low + 0. 1 \times (N - NDL_Offset) \] Jul 18, 2022 · If you need to convert a temperature from Fahrenheit to Celsius, you can use a simple formula or a calculator. Instead, 5G operates in frequency bands, and the ARFCN is replaced by a concept known as the "Frequency Range Number" (FRN) or "Frequency Band" in the context of 5G. The page describes LTE EARFCN equation and table for calculation of downlink EARFCN (N DL) and uplink EARFCN (N UL). When configuring radio data on the DBS3900 product the command ADD CELL will require the EARFCN of the frequency band used. Following equations/formula are used in this LTE PCI calculator which helps in PSS/SSS to PCI conversion and vice versa. 2 days ago · Calculation Formula. EARFCN uniquely identify the LTE band and carrier frequency. Band: Name: Mode: Band overlap: Full (MFBI) Partial: FR1: n1: 2100: FDD: n65, n84: n66: n2: 1900 PCS Apr 9, 2024 · This page is updated until 3GPP 38. csv file. Press the side menu to get started with 5G resources. 1 \times (NUL - NUL_Offset) \] Example Calculation. En general, esto implica "llamar" a ciertos números para que aparezcan las opciones ocultas. 1. N is the number of Physical Resource Blocks (PRBs) over which the RSSI is measured, typically equal to system bandwidth; RSSI is pure wide band power measurement, including intracell power, interference and noise; The reporting range of RSRQ is defined from -3…-19. 5 1957. Address: Subnet/CIDR: Start Address: End Address: Broadcast: Total: IPv6 Unique Local Address. Mean Formula For Grouped Data. EARFCN to frequency conversion is governed by specific formulas, which vary depending on the frequency band and EARFCN range. This App is very useful for 5G/4G RF engineers. E. More static Ptr< SpectrumModel > GetSpectrumModel (uint16_t earfcn, uint8_t bandwidth) static double Oct 5, 2019 · In our field test mode post, we refer to few acronyms such as RSRP, RSSI, RSRQ, SINR but did not go into much details to prevent going off-topic. ∑x i = Sum of observations. 33 Gbps Channel Bandwidth = 100 MHz Output: spectral efficiency = 23 bits/sec/Hz 5G NR spectral efficiency formula Over 500 working Excel formulas with detailed explanations, videos, and related links. 1(NDL – NOffs-DL) The relation between EARFCN and the carrier frequency in MHz for the uplink is given by the following equation Oct 1, 2021 · Free 5G NR calculators & resources! Get Throughput, ARFCN, GSCN, SSREF & CCE values. Carrier Frequency and EARFCN < 36. 1(NDL – NOffs-DL) The relation between EARFCN and the carrier frequency in MHz for the uplink is given by the following equation FDL is the downlink carrier frequency, and NDL is the downlink EARFCN. LTE EARFCN stands for E-UTRA Absolute Radio Frequency Channel Number. Outputs : LTE Downlink Frequency = 1940 MHz, LTE Uplink Frequency = 1860 MHz. 101 Release 17 specification. 1 Mhz (Same as in LTE) As of now, the only a few DL EARFCN and corresponding frequencies are allowed as follows : Band 252 : In GSM cellular networks, an absolute radio-frequency channel number (ARFCN) is a code that specifies a pair of physical radio carriers used for transmission and reception in a land mobile radio system, one for the uplink signal and one for the downlink signal. ywiv ywgejfr fvyhhj ebjwexj kpj xjlp sqknh kectx xzwlpu qsk