Download
Share
Print this page
Quectel EC25-A User Manual
  1. Manuals
  2. Brands
  3. Quectel Manuals
  4. Wireless modules
  5. EC25-A
  6. User manual

Quectel EC25-A User Manual

Lte module
Hide thumbs Also See for EC25-A:

Advertisement

Quick Links

Download this manual
EC
C25-
-A
Us
er
Ma
LTEM
Module S
Series
Rev.
EC25-A_
_User_Ma
Date:
2016-03
3-28
All manuals and user guides at all-guides.com
anu
al
anual_V1
1.0
w w ww.quectel.com

Advertisement

loading

Related Manuals for Quectel EC25-A

Summary of Contents for Quectel EC25-A

  • Page 1 All manuals and user guides at all-guides.com C25- LTEM Module S Series Rev. EC25-A_ _User_Ma anual_V1 Date: 2016-03 3-28 w w ww.quectel.com...
  • Page 2 For any assistanc ce, please contact o our compa any headq uarters: Quectel W Wireless S Solutions C Co., Ltd. Office 501, Building 13, , No.99, Tian nzhou Road d, Shanghai, , China, 200...
  • Page 3 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Abou ut the e Doc cume History Revision Date Author Descriptio V1.0 2016-0 03-28 Woody WU Initial EC25-A_Us ser_Manual lConfidenti al / Release 2 / 69...
  • Page 4 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Contents About the D Document ............................ 2 Contents ................................. Table Index x ........
  • Page 5 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua 3.11. UART Inte rface ........................3 3.12. PCM and I 2C Interfac ce ......................3 3.13. ADC Func tion ...
  • Page 6 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Table In TABLE 1: E EC25 SERIE S FREQUE NCY BAND DS ..................9 TABLE 2: E EC25 KEY F EATURES ............
  • Page 7 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Figure In ndex FIGURE 1: FUNCTION NAL DIAGRA AM ....................... 12 FIGURE 2: PIN ASSIGN NMENT (TO OP VIEW) ................
  • Page 8 If not so , Quectel as ssumes no liability for t customer’s failure to co omply with th hese precau tions. Full attention...
  • Page 9 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Cellular term minals or m mobiles oper ratingover r radio freque ency signal and cellula network can nnot be guar ranteed to c onnect in al ll conditions , for examp le no mobile fee or with a...
  • Page 10 GNSS d voice funct tionality r your specif fic applicatio on.EC25 con ntains fourva ariants:EC25 5-E, EC25-A EC25-V an d EC25-AU UT. You can n choose th he dedicated d type base ed on the r region or op perator.
  • Page 11 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua 80LCC sign nal pads and d 64 other pa ads. 2.2. Dire ectives a nd Stand dards 2.2.1. FCC C Stateme Any Change es or modific cations not e expressly ap pproved by t the party res...
  • Page 12 8C-Lite of Q Qualcomm GNSS Fea atures Proto ocol: NMEA A 0183 mpliant with 3GPP TS 27.007, 27 7.005 and Quectel en nhanced AT AT Comm mands comm mands pins includ ding NET_M MODE and NET_STAT US to indic cate network...
  • Page 13 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua 2.4. Fun ctional D Diagram The followin ng figure sho ows a block diagram of EC25 and il llustrates the e major func ctional parts  Power managemen ...
  • Page 14 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua 2.5. Eva luation B Board In order to h help youto d develop appl lications wit h EC25, Qu ectel suppli es an evalu ation board (EVB), USB data cable, earphone, a antenna and...
  • Page 15 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Applic cation n Inte erface 3.1. Gen neral Des scription EC25 is eq quipped wit th an80-pin SMT pad plus 64-pin n ground p pads and re eserved pa ds that can beconnecte ed to cellular...
  • Page 16 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua WAKEUP _IN AP_READY RESERVED _DISABLE# NET_MODE T_STATUS ANT_ _MAIN VDD_EXT RESERVED ERVED RESERVED ERVED _GNSS USIM_GND DBG_RXD DBG_TXD ERVED USIM_P PRESENCE I2C_ _SDA USIM_VDD I2C_ _SCL SIM_DATA ERVED USIM_CLK ERVED USIM_RST...
  • Page 17 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua 3.3. Pin Descript tion The followin ng tables sho ow the EC2 5’s pin defin nition. Table 3: IO Parameter rs Definition Type Desc cription Bidir rectional inp ut/output Digit tal input...
  • Page 18 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Turn on/of Pin Name Pin No Description DC Charac cteristics Comment max=2.1 Turnon/off t PWRKEY min=1.3V module. max=0.5 max=2.1 RESET_N Reset the m module. min=1.3V max=0.5 Status Ind dication Pin Name Pin No...
  • Page 19 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Vmax=3.05 Vmin=2.7V max=50m For 1.8V US SIM: max=0.6 min=1.2V max=0.4 min=1.3 Data signal of USIM USIM_DAT card. For 3.0V US SIM: max=1.0 min=1.95 max=0.4 min=2.5 For 1.8V US SIM: max=0.4 min=1.3...
  • Page 20 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua open. min=-0.3 1.8V powe er domain. max=0.6 Request to send. If unused, keep it min=1.2V open. max=2.0 1.8V powe er domain. min=-0.3 Pull-up by default. Data termin max=0.6 Low level w wakes up ready,sleep...
  • Page 21 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua min=-0.3 1.8V powe er domain. max=0.6 PCM_IN PCM data in nput. If unused, keep it min=1.2V open. max=2.0 1.8V powe er domain. max=0.4 PCM_OUT PCM data o output. If unused, keep it min=1.3...
  • Page 22 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua 1.8V powe er domain. min=-0.3 Pull-up by default. max=0.6 WAKEUP_ Sleep mode e control. Low level w wakes up min=1.2V the module e. If max=2.0 unused, ke eep it open. 1.8V powe er domain.
  • Page 23 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua In this mode, the c current cons umption of t the module w will be reduc ced to the m minimal level Sleep Mode During this mode, the module e can still r receive pagi ing messag...
  • Page 24 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Refer to o AT comma and AT+QCF dy” for deta ails. FG=“apread 3.5.1.2. USB B Applicatio on with USB B Remote W Wakeup Fun nction If host supp ports USB su uspend/resu ume and rem...
  • Page 25 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua state. The followin ng figure sho ows the con nection betw ween the mo odule and th he host. Module Host VBUS USB_V B_DP B_DP B_DM B_DM EADY GPIO AP_RE EINT...
  • Page 26 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Opening po ower switch t to supply po ower to USB B_VBUS will wake up the e module. NOTE You should pay attenti ion to the le evel match shown in d dotted line b between mo...
  • Page 27 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Table 6: VB BAT and GN ND Pins Pin Name Pin No Description Unit Power supp ply for modu le RF VBAT_RF 57,58 part. Power supp ply for modu VBAT_BB 59,60 baseband p...
  • Page 28 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua VBAT BAT _RF BAT_BB 100 nF 10pF 100 uF 00 nF 33pF 10pF 100 uF Modu Figure e 8: Star St ructure of t the Power S Supply 3.6.3.
  • Page 29 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua 3.6.4. Mo onitor the Power Su upply You can us se the AT+C CBC comma and to moni tor the VBA AT_BB volta age value. F For more de etails, please refer to doc cument [2].
  • Page 30 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua PWRKEY Close to Figure 11: Turn on n the Modul le Using Ke eystroke The turn on scenario is illustrated in n the followi ng figure. NOTE VBAT ≥...
  • Page 31 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua 3.7.2. Tu urn off Mod dule The followin ng procedure es can be us sed to turn o off the modu ule: Normal l power dow wn procedure e: Turn off th he module u using the PW...
  • Page 32 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Table 8: RE ESET_N Pin n Descriptio Pin Name Pin No Descr ription DC C Characteris tics omment ax=2.1V RESET_N Reset the module in=1.3V ax=0.5V The recomm mended circ cuit is simila r to the PW WRKEY contr...
  • Page 33 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua VBAT Treset_max ≤ Treset_min ≥T ≥ 1 RESE ET _N ≤ 0 .5V Modu UNNING RESETTING RUNNING Status gure 16: Tim ming of Res setting Mod dule NOTES Use th he RESET_ N only whe...
  • Page 34 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua EC25 suppo orts USIM c card hot-plu g via the US SIM_PRESE ENCE pin. It supports l low level an nd high leve detections, whichisdisa abled by d default.
  • Page 35 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua criteria belo ow in the US SIM circuit de esign:  Keep la ayout of USI IM card as c close as pos ssible to the module. As ssure the len ngth of trace e is less than...
  • Page 36 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Test Poin Minimize this stub Module NM_0R NM_0R ESD Array USB_VBUS USB_DM USB_DM USB_DP USB_DP Close to M Module Figure 1 19: Referen nce Circuit o of USB App plication In order to m meet USB d...
  • Page 37 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua 3.11. UA ART Inter rface The module e provides two UART interfaces: main UAR RT interface and debug g UART int terface. The following sh hows the diff ferent featur res.
  • Page 38 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Table 13:Lo ogic Levels s of Digital I Parameter Max. Unit -0.3 0.45 The module e provides 1.8V UART T interface. A level tra nslator sho ould be use d if your a pplication is equipped w...
  • Page 39 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua 4.7K VDD_EXT VDD_EXT odule MCU/A /TXD /RXD VDD_EXT VCC_MCU 4.7K /RTS /CTS GPIO EINT GPIO Figure 21 1: Referenc e Circuit wi ith Transist tor Circuit NOTE Transistor c circuit solutio on is not suit table for hig...
  • Page 40 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua 125us P CM M_CLK 2 5 5 2 5 6 P CM M_S Y NC MS B MS B P CM M_OUT MS B MS B M_IN Figure 22: Primary Mo ode Timing 125us...
  • Page 41 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua PCM_OUT PCM d ata output 1.8V powe er domain PCM_SYN PCM d ata frame sy ync signal 1.8V powe er domain PCM_CLK PCM d ata bit clock 1.8V powe er domain I2C_SCL I2C ser...
  • Page 42 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua 3.13. AD DC Funct tion The module e provides tw wo analog-to o-digital con verters (AD C). Using AT T command d AT+QADC C=0 can read the voltage value on AD DC0 pin.
  • Page 43 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua registra ationmode. Indicate e the modul e network a ctivity NET_STAT 1.8V powe er domain status. Table 18: W Working Sta ate of the N etwork Indi icator Pin Name tatus Descripti...
  • Page 44 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Table 19: P Pin Definitio on of STATU Pin Name Pin No. Description ment STATUS Indicate the e module ope eration statu Requ uire external pull-up The followin ng figure sh hows differe nt design ci...
  • Page 45 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Table 20: B Behavior of the RI State Response Idle RI keeps hig gh level RI outputs 1 20ms low p ulse when n new URC ret turns The RI beh havior can be changed...
  • Page 46 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua GNSS S Rec eiver 4.1. Gen neral Des scription EC25 includ des a fully i integrated g global naviga ation satellit te system s solution that t supports G Gen8C-Liteo Qualcomm (GPS, GLO...
  • Page 47 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Autonomou ot start @open sky XTRA enab bled Accuracy Autonomou EP-50 (GNSS) @open sky NOTES Trackin ng sensitivity y: the lowest t GPS signa al value at th he antenna port for whic ch the modu...
  • Page 48 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Anten nna In nterfa EC25 anten nna interface e includes a main anten nna,anRx-div versity anten nna which is s used tores sist the fall o signals cau used by hig h speed m ovement an...
  • Page 49 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua 5.1.3. Re eference D Design The referen nce design o of ANT_MAIN N and ANT_ _DIVantenna a is shown a as below. It should rese rve a π-type matching ci rcuit for bett ter RF perfo...
  • Page 50 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Table 24: P Pin Definitio on of GNSS S Antenna Pin Name n No. escription mment ANT_GNS NSS antenn ohmimpedan Table 25: G GNSS Frequ uency Type requency Unit GPS/Galile eo/QZSS...
  • Page 51 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua 5.3. Ante enna Ins stallation 5.3.1. An ntenna Re equiremen The followin ng table sho ws the requ irements on n main anten nna, Rx-dive ersity antenn na and GNS SS antenna.
  • Page 52 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Figu re 29: Dime ensions of t the UF.L-R- -SMT Conne ector (Unit: : mm) You can use e U.FL-LP s erial connec ctor listed in the followin ng figure to m match the U F.L-R-SMT.
  • Page 53 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua The followin ng figure des scribes the s space factor r of mated c onnector. Figure 31:S Space Facto or of Mated d Connector r (Unit: mm For more de etails, pleas e visit http:// /www.hirose...
  • Page 54 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Electr rical, Relia ability y and Radio oChar racter ristic 6.1. Abs solute Ma aximum Ratings Absolute m aximum rat ings for pow wer supply a and voltage e on digital a and analog pins of the...
  • Page 55 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Parameter Descrip ption Conditio Min. Max. Unit VBAT_R min/max x values, incl luding voltage d drop, ripple a spikes. Voltage drop during Maximum m power con ntrol transmit ting burst level on GSM900.
  • Page 56 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Table 30: C Conducted R RF Output Power Frequency Max. Min. WCDMA B2 2/B4/B5 24dBm+1/- -3dB <-50dBm LTE FDD B 2/B4/B12 23dBm±2d <-44dBm 6.6. RF R Receivin ng Sensit tivity This informa ation will be...
  • Page 57 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Mecha anica al Dim mensi ions This chapte er describes the mechan nical dimens sions of the m module.All d dimensions a are measure ed in mm. 7.1. Mec chanical Dimensi ions of th...
  • Page 58 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua 32.0 Figure 33: Module Bo ottom Dime ensions (Bo ottom View) E EC25-A_Us ser_ManualC Confidentia al / Release 57 / 6...
  • Page 59 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua 7.2. Foo otprint of f Recomm mendatio Keepout ar 32.0 Figure 34: Recom mended Fo ootprint (To op View) NOTES Pads 7 3~84 should d not be des signed.
  • Page 60 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua 7.3. Top View of the Mod dule Figure 35: T Top View of f the Modul 7.4. Bott tom View w of the M Module gure 36: Bo ottom View of the Mod EC25-A_Us...
  • Page 61 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Storag ge an nd Ma anufa acturi 8.1. Stor rage EC25 is sto red in avacu uum-sealed bag. The re estrictions of f storage con ndition ares hown as be low.
  • Page 62 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua suggested t that the mo odule should d be mounte ed after the e first panel has been reflowed. T The following picture is th e actual dia gram which we have op perated.
  • Page 63 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua ± 0 44.00 0.35 5± 0.05 ± 0.1 4.00 ± 0.1 ± 0.15 ± 0.15 32.5 ± 0.15 ± 0.15 33.5 32.5 ± 0.15 33.5 ± 0.15 48.5 C o v e r t a p e D i r e c t i o n o f f f e e d...
  • Page 64 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Appen ndix A A Ref feren Table 32: R Related Doc cuments Document N Name Rema Quectel_EC2 25_Power_M Managemen nt_Applicatio EC25 Power Man nagement Ap pplication Note Note Quectel_EC2 25_AT_Com mmands_Ma...
  • Page 65 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Enhan nced Full Ra Electro ostatic Disch harge Freque ency Divisio on Duplex Full Ra GLOb alnayaNAvig gatsionnaya aSputnikova ya Sistema, , the Russia n Global GLONASS Naviga ation Satellit te System GMSK...
  • Page 66 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Point-t to-Point Pro otocol Quadr rature Ampli tude Modula ation QPSK Quadr rature Phase e Shift Keyin Radio Frequency RHCP Right Hand Circul arly Polarize Receiv Subsc criber Identif fication Mod Short Message Se...
  • Page 67 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua Maxim mum Output High Level V Voltage Valu Minim um Output H High Level V Voltage Valu Maxim mum Output Low Level V Voltage Valu Minim um Output L Low Level V Voltage Value VSWR...
  • Page 68 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua pendix x B G GPRS S Cod ding S Schem Table 34: D Description of Differen t Coding Sc chemes CS-2 CS-3 CS-4 Scheme Code Rate Pre-coded Radio Bloc ck excl.USF F and BCS Tail...
  • Page 69 All manuals and user guides at all-guides.com LTE Module EC25-AU ser Manua pendix x C G GPRS S Mult ti-slo t Clas Twenty-nine e classes o of GPRS mu ulti-slot mod des are def fined for MS S in GPRS specificatio on.
  • Page 70 All manuals and user guides at all-guides.com LTE Mo odule Sires EC25Hardw ware Design pendix x D E EDGE E Mod dulati onan ding S Schem Table 36: E EDGE Modu ulation and Coding Sch heme Coding Sch heme dulation Coding Family 1 Timeslot...