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SE868Kx-Ax Family

Product User Guide

1VV0301201 Rev. 2

2017-04-03

SE868Kx-Ax Family Product User Guide Notices

1VV0301201 Rev. 2 Page 2 of 76 2017-04-03

SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE

NOTICES

While reasonable efforts have been made to ensure the accuracy of this document, Telit

assumes no liability resulting from any inaccuracies or omissions in this document, orfrom use

of the information obtained herein. The information in this document has been carefully

checked and is believed to be reliable, however no responsibility is assumed for inaccuracies

or omissions. Telit reserves the right to make changes to any products described herein and

reserves the right to revise this document and to make changes from time to time in content

hereof with no obligation to notify any person of revisions or changes. Telit does not assume

any liability arising out of the application or use of any product, software, or circuit described

herein; neither does it convey license under its patent rights or the rights of others.

It is possible that this publication may contain references to, or information about Telit products

(machines and programs), programming, or services that are not announced in your country.

Such references or information must not be construed to mean that Telit intends to announce

such Telit products, programming, or services in your country.

COPYRIGHTS

This manual and the Telit products described herein may be, include or describe copyrighted

Telit material, such as computer programs stored in semiconductor memories or other media.

Laws in the Italy and other countries preserve for Telit and its licensors certain exclusive rights

for copyrighted material, including the exclusive right to copy, reproduce in any form, distribute

and make derivative works of the copyrighted material. Accordingly, any copyrighted material

of Telit and its licensors contained herein or in the Telit products described in this manual may

not be copied, reproduced, distributed, merged or modified in any manner without the express

written permission of Telit. Furthermore, the purchase of Telit products shall not be deemed to

grant either directly or by implication, estoppel, or otherwise, any license under the copyrights,

patents or patent applications of Telit, as arises by operation of law in the sale of a product.

COMPUTER SOFTWARE COPYRIGHTS

The Telit and Third Party supplied Software (SW) products described in this instruction manual

may include copyrighted Telit and other Third Party supplied computer programs stored in

semiconductor memories or other media. Laws in the Italy and other countries preserve for

Telit and other Third Party supplied SW certain exclusive rights for copyrighted computer

programs, including the exclusive right to copy or reproduce in any form the copyrighted

computer program. Accordingly, any copyrighted Telit or other Third Party supplied SW

computer programs contained in the Telit products described inthis manual may not be copied

(reverse engineered) or reproduced in any manner without the express written permission of

Telit or the Third Party SW supplier. Furthermore, the purchase of Telit products shall not be

deemed to grant either directly or by implication, estoppel, or otherwise, any license under the

copyrights, patents or patent applications of Telit or other Third Party supplied SW, except for

the normal non-exclusive, royalty-free license to use that arises by operation of law in the sale

of a product.

SE868Kx-Ax Family Product User Guide Notices

1VV0301201 Rev. 2 Page 3 of 76 2017-04-03

USAGE AND DISCLOSURE RESTRICTIONS

I. License Agreements

The software described in this document is the property of Telit and its licensors. It is furnished

by express license agreement only and maybe used only in accordance with theterms of such

an agreement.

II. Copyrighted Materials

Software and documentation are copyrighted materials. Making unauthorized copies is

prohibited by law. No part of the software or documentation may be reproduced, transmitted,

transcribed, stored in aretrievalsystem, or translatedinto any language or computer language,

in any form or by any means, without prior written permission of Telit

III. High Risk Materials

Components, units, or third-party products used in the product described herein are NOT fault-

tolerant andare NOT designed,manufactured,or intendedfor use as on-line control equipment

in the following hazardous environments requiring fail-safe controls: the operation of Nuclear

Facilities, Aircraft Navigation or Aircraft Communication Systems, Air Traffic Control, Life

Support, or Weapons Systems (High Risk Activities"). Telit and its supplier(s) specifically

disclaim any expressed or implied warranty of fitness for such High Risk Activities.

IV. Trademarks

TELIT and the Stylized T Logo are registered in the Trademark Office. All other product or

service names are the property of their respective owners.

V. Third Party Rights

The software may include Third Party Right software. In this case you agree to comply with all

terms and conditions imposed on you in respect of such separate software. In addition to Third

Party Terms, the disclaimer of warranty and limitation of liability provisions in this License shall

apply to the Third Party Right software.

TELIT HEREBY DISCLAIMS ANY AND ALL WARRANTIES EXPRESS OR IMPLIED FROM

ANY THIRD PARTIES REGARDING ANY SEPARATE FILES, ANY THIRD PARTY

MATERIALS INCLUDED IN THE SOFTWARE, ANY THIRD PARTY MATERIALS FROM

WHICH THE SOFTWARE IS DERIVED (COLLECTIVELY “OTHER CODE”), AND THE USE

OF ANY OR ALL THE OTHER CODE IN CONNECTION WITH THE SOFTWARE,

INCLUDING (WITHOUT LIMITATION) ANY WARRANTIES OF SATISFACTORY QUALITY

OR FITNESS FOR A PARTICULAR PURPOSE.

NO THIRD PARTY LICENSORS OF OTHER CODE SHALL HAVE ANY LIABILITY FOR ANY

DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED

ANDWHETHER MADE UNDER CONTRACT, TORT OROTHER LEGALTHEORY, ARISING

IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE OTHER CODE OR THE

EXERCISE OF ANY RIGHTS GRANTED UNDER EITHER OR BOTH THIS LICENSE AND

THE LEGAL TERMS APPLICABLE TO ANY SEPARATE FILES, EVEN IF ADVISED OF THE

POSSIBILITY OF SUCH DAMAGES.

SE868Kx-Ax Family Product User Guide Product Applicability

1VV0301201 Rev. 2 Page 4 of 76 2017-04-03

PRODUCT APPLICABILITY

PRODUCT

SE868-A

SE868-AS

SE868K3-A

SE868K3-AL

SE868K7-A

SE868K7-AL

Table 0-1 Product Applicability Table

SE868Kx-Ax Family Product User Guide Contents 
1VV0301201 Rev. 2 Page 5 of 76 2017-04-03 
CONTENTS 
NOTICES...............................................................................................................................2 
COPYRIGHTS........................................................................................................................2 
COMPUTER SOFTWARE COPYRIGHTS .............................................................................2 
USAGE AND DISCLOSURE RESTRICTIONS ......................................................................3 
PRODUCT APPLICABILITY..................................................................................................4 
CONTENTS ...........................................................................................................................5 
TABLES.................................................................................................................................9 
FIGURES.............................................................................................................................10 
1INTRODUCTION ......................................................................................................11 
1.1 Purpose................................................................................................................11 
1.2 Audience..............................................................................................................11 
1.3 Contact and Support Information..........................................................................11 
1.4 Text Conventions.................................................................................................12 
1.5 Related Documents..............................................................................................12 
1.5.1 Related Documents Requiring a Non-Disclosure Agreement...........................12 
2PRODUCT DESCRIPTION.......................................................................................13 
2.1 Product Overview.................................................................................................13 
2.2 SE868xx-A Product Naming.................................................................................14 
2.3 Product Variants...................................................................................................14 
2.3.1 Multi-constellation modules (SE868-A and SE868K3-A series) features..........15 
2.3.2 GPS-only modules (SE868-AS and SE868K7-A series) features ....................15 
2.4 Block Diagrams....................................................................................................17 
2.4.1 Early Production..............................................................................................17 
2.4.2 Current Production ..........................................................................................18 
2.5 Module Photos.....................................................................................................19 
3EVALUATION BOARD (EVB)..................................................................................20 
4PRODUCT FEATURES............................................................................................21 
4.1 Multi-Constellation Navigation (SE868-A and SE868K3-A series only)................21 
4.2 Quasi-Zenith Satellite System (QZSS) .................................................................21 
4.3 Satellite-Based Augmentation System (SBAS).....................................................21 
4.3.1 SBAS Corrections............................................................................................21 
4.3.2 SBAS Ranging.................................................................................................21 
4.4 Assisted GPS (AGPS)..........................................................................................21 
4.4.1 Locally-generated AGPS - Embedded Assist System (EASY).........................21 
4.4.2 Server-generated AGPS - Extended Prediction Orbit (EPO)............................22 

SE868Kx-Ax Family Product User Guide Contents 
1VV0301201 Rev. 2 Page 6 of 76 2017-04-03 
4.3 Host EPO (SE868-AS and SE868K7-A series only) .......................................22 
5 Differential GPS (DGPS)......................................................................................22 
6 Elevation Mask Angle...........................................................................................22 
7 Static Navigation..................................................................................................22 
8 Jamming Rejection –Active Interference Cancellation (AIC)................................23 
9 Internal LNA (SE868Kx-A/AL modules only) .......................................................23 
10 10 Hz Navigation..................................................................................................23 
11 1PPS....................................................................................................................23 
12 Serial I/O Port.......................................................................................................24 
12.1 UART ..............................................................................................................24 
12.2 I2C (SE868-A and SE868K3-A series only)....................................................24 
13 Power Management Modes..................................................................................25 
13.1 Full Power Continuous Mode...........................................................................25 
13.2 Standby Mode .................................................................................................25 
13.3 Backup Mode (SE868-A and SE868K3-A series only)....................................25 
13.4 Periodic Mode..................................................................................................26 
13.5 AlwaysLocate™ Mode (SE868-A and SE868K3-A series only) .......................26 
5PRODUCT PERFORMANCE ...................................................................................27 
1 Horizontal Position Accuracy................................................................................27 
2 Time to First Fix ...................................................................................................27 
3 Sensitivity.............................................................................................................28 
6SOFTWARE INTERFACE........................................................................................29 
1 NMEA Output Messages......................................................................................29 
1.1 Standard Messages.........................................................................................29 
1.2 Proprietary Output Messages..........................................................................30 
2 NMEA Input Commands.......................................................................................31 
2.1 NMEA Commands List ....................................................................................31 
7FLASH UPGRADABILITY........................................................................................32 
8ELECTRICAL INTERFACE......................................................................................33 
1 SE868-A Family Pinout Diagram..........................................................................33 
2 Signal Levels........................................................................................................34 
2.1 Logic Levels –Inputs.......................................................................................34 
2.2 Logic Levels –Outputs....................................................................................34 
3 SE868-A Module Pinout Tables ...........................................................................35 
3.1 SE868-A Pinout Table.....................................................................................35 
3.2 SE868-AS Pinout Table...................................................................................36 
3.3 SE868K3-A Pinout Table.................................................................................37 
3.4 SE868K7-A Pinout Table.................................................................................38 
4 SE868-Ax to SE868Kx-Ax Comparison and Migration..........................................39 
4.1 SE868-A and SE868K3-Ax Pinout Comparison...............................................40 
4.2 SE868-AS and SE868K7-Ax Pinout Comparison.............................................41 
5 DC Power Supply.................................................................................................42 

SE868Kx-Ax Family Product User Guide Contents 
1VV0301201 Rev. 2 Page 7 of 76 2017-04-03 
5.1 VCC.................................................................................................................42 
5.2 VBATT.............................................................................................................42 
5.3 DC Power Requirements.................................................................................42 
5.4 DC Power Consumption: SE868-A..................................................................43 
5.5 DC Power Consumption: SE868-AS................................................................44 
5.6 DC Power Consumption: SE868K3-Ax............................................................45 
5.7 DC Power Consumption: SE868K7-Ax............................................................46 
6 Control Signals.....................................................................................................47 
6.1 Input Signals....................................................................................................47 
6.2 Output Signals.................................................................................................47 
7 I/O Ports...............................................................................................................48 
7.1 UART ..............................................................................................................48 
7.2 I2C...................................................................................................................48 
9REFERENCE DESIGN.............................................................................................49 
RF FRONT-END DESIGN ........................................................................................50 
1 RF Signal Requirements ......................................................................................50 
2 GNSS Antenna (included in the module)..............................................................51 
3 System Noise Floor..............................................................................................51 
4 RF Interference....................................................................................................52 
5 Shielding..............................................................................................................52 
6 Ground Plane.......................................................................................................53 
MECHANICAL DRAWINGS.....................................................................................54 
PCB FOOTPRINT ....................................................................................................55 
PACKAGING AND HANDLING................................................................................56 
1 Product Marking and Serialization........................................................................56 
2 Product Packaging...............................................................................................57 
3 Moisture Sensitivity ..............................................................................................59 
4 ESD Sensitivity.....................................................................................................61 
5 Assembly Considerations.....................................................................................61 
6 Washing Considerations ......................................................................................61 
7 Reflow..................................................................................................................62 
8 Safety...................................................................................................................63 
9 Disposal...............................................................................................................63 
ENVIRONMENTAL REQUIREMENTS.....................................................................64 
1 Operating Environmental Limits ...........................................................................64 
2 Storage Environmental Limits...............................................................................64 
COMPLIANCES .......................................................................................................65 
1 CE Declarations of Conformity.............................................................................66 
SAFETY RECOMMENDATIONS..............................................................................70 

SE868Kx-Ax Family Product User Guide Contents

1VV0301201 Rev. 2 Page 8 of 76 2017-04-03

17 GLOSSARY AND ACRONYMS ...............................................................................71

18 DOCUMENT HISTORY ............................................................................................75

SE868Kx-Ax Family Product User Guide Tables 
1VV0301201 Rev. 2 Page 9 of 76 2017-04-03 
TABLES 
Table 0-1 Product Applicability Table ................................................................................... 4 
Table 2-1 Product Variants..................................................................................................14 
Table 2-2 Multi-constellation (SE868-A and SE868K3-A series) variants ............................15 
Table 2-3 GPS-only (SE868-AS and SE868K7-A series) variants.......................................15 
Table 5-1 SE868xx-A Horizontal Position Accuracy .............................................................27 
Table 5-2 SE868xx-A Time to First Fix.................................................................................27 
Table 5-3 SE868-A Sensitivity..............................................................................................28 
Table 5-4 SE868Kx-Ax Sensitivity........................................................................................28 
Table 6-1 Default NMEA output messages...........................................................................29 
Table 6-2 Available Messages..............................................................................................29 
Table 6-3 NMEA Talker IDs..................................................................................................30 
Table 6-4 NMEA Input commands........................................................................................31 
Table 8-1 Input Logic Levels: RX and Reset-N.....................................................................34 
Table 8-2 Output Logic Levels: TX and 1PPS ......................................................................34 
Table 8-3 SE868-A Pinout Table..........................................................................................35 
Table 8-4 SE868-AS Pinout Table.......................................................................................36 
Table 8-5 SE868K3-A Pinout Table......................................................................................37 
Table 8-6 SE868K7-A Pinout Table......................................................................................38 
Table 8-7 SE868-AS and SE868K3-A Pinout Comparison...................................................40 
Table 8-8 SE868-AS and SE868K3-A Pinout Comparison...................................................41 
Table 8-9 DC Supply Voltage...............................................................................................42 
Table 8-10 SE868-A Power Consumption............................................................................43 
Table 8-11 SE868-AS Power Consumption..........................................................................44 
Table 8-12 SE868K3-Ax Power Consumption......................................................................45 
Table 8-13 SE868K7-Ax Power Consumption......................................................................46 
Table 14-1 SE868xx-Ax Operating Environmental Limits .....................................................64 
Table 14-2 SE868xx-Ax Storage Environmental Limits.........................................................64 
 

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