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Telit Wireless Solutions xE50-868 series User Manual

Telit Wireless Solutions xE50-868 series User Manual

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xE50-868 RF Module User Guide
1VV0300905 Rev.14 – 2018-01-2503-16

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Summary of Contents for Telit Wireless Solutions xE50-868 series

  • Page 1 xE50-868 RF Module User Guide 1VV0300905 Rev.14 – 2018-01-2503-16...
  • Page 2 xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 APPLICABILITY TABLE PRODUCT LE50-868 ME50-868 Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved. Page 2 of 45...
  • Page 3 xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE Notice While reasonable efforts have been made to assure the accuracy of this document, Telit assumes no liability resulting from any inaccuracies or omissions in this document, or from use of the information obtained herein.
  • Page 4 xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 Usage and Disclosure Restrictions 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 may be used only in accordance with the terms of such an agreement.

  • Page 5: Table Of Contents

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 Contents Introduction ............7 1.1. Scope ..............7 1.2. Audience ............7 1.3. Contact Information, Support ....7 1.4. Document Organization ......8 1.5. Text Conventions .......... 8 1.6. Related Documents ........9 Requirements ............
  • Page 6 xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 4.5. Description of the signals ......29 Process Information ........30 5.1. Delivery ............30 5.2. Storage ............31 5.3. Moisture sensibility ........31 5.4. Additional Precautions ......31 5.5. Soldering pad pattern ......... 31 5.6.

  • Page 7: Introduction

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 Introduction 1.1. Scope Scope of this document is to present the features and the application of the Telit xE50-868 radio modules (LE50-868 and ME50-868). 1.2. Audience This document is intended for developers using Telit xE50-868 radio modules. 1.3.

  • Page 8: Document Organization

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 1.4. Document Organization This document contains the following chapters “Chapter 1: “Introduction” provides a scope for this document, target audience, contact and support information, and text conventions. “Chapter 2: “Requirements” gives an overview of the limitations imposed by Reference standards.

  • Page 9: Related Documents

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 1.6. Related Documents • [1] EN 300 220-1, EN 300 220-2 v3.1.1, ETSI Standards for SRD, • [2] ERC Rec 70-03 version of 13 October 2017 • [3] RoHS 2 Directive 2011/65/EU •...

  • Page 10: Requirements

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 Requirements 2.1. General Requirements The LE50-868 and ME50-868 (or simply xE50-868) modules are multi-band radio boards, delivering up to 25 mW in the 868 MHz ISM band (unlicensed frequency band). They are delivered with preloaded protocol stacks: •...
  • Page 11 xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 National Restrictions for non-specific SR devices Annex 1 band g1-g4: Country Restriction Reason/Remark Band G Austria Not Implemented Planned Audio, video and voice not allowed - Finland Limited Implementation Planned 2011 Georgia Not Implemented Greece...

  • Page 12: Other Requirements

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 2.3. Other Requirements Furthermore, the module complies with the ETSI 300-220-2 standards (specific for SRD) which main requirements are described in Appendix 1. ME50-868 also complies which EN 13757-4 standards (Wireless M-Bus Part4). Finally, the module complies with the new European Directive 2011/75/EU concerning the Restrictive Usage of Hazardous Substances (RoHS 2).

  • Page 13: General Characteristics

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 General Characteristics 3.1. Mechanical Characteristics Size : Rectangular 25.8 x 15 mm Height : 3 mm Weight : 1.7 g PCB thickness: 0.8 mm • Dimensions: 21 x 14.2 x 2.2mm Cover : •...

  • Page 14: Mechanical Dimensions

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 3.2. Mechanical dimensions 3.3. Recommended Land pattern Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved. Page 14 of 45...

  • Page 15: Dc Characteristics

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 3.4. DC Characteristics Characteristics xE50 Min. Typ. Max. Power Supply +2.0V +3.3V +3.6V (VDD): Consumption xE50-868 - Transmission @ 10mW: 33mA 38mA xE50-868 - Transmission @ 25mW: 45mA 50mA Reception: 26mA 30mA Stand-by (32.768 khz On): 1.5µA...

  • Page 16: Le50-868 Functional Characteristics

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 3.5. LE50-868 Functional Characteristics Band g Band M Band N Band P Band Q ERC/REC70-03 863.000 -870.000 EU Band 48 EU Band 50 EU Band 54b EU Band 56a Frequency (MHz) 868.000 -868.600 868.700 -869.200 869.400 -869.650...
  • Page 17 xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 Band M Band N Band P Band Q ERC/REC70-03 Band g EU Band 48 EU Band 50 EU Band 54b EU Band 56a Frequency 863.000-870.000 868.000-868.600 868.700-869.200 869.400-869.650 869.700-870.000 (MHz) Global (1): 19.2 kbps RF data rate (2): 38.4 kbps...
  • Page 18 xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 ETSI EN 300 220 Transmission +/- 12.5 kHz @ 25 kHz channelization Frequency error +/- 87 kHz (100 ppm) > 25 kHz channelization - 37 dBm in 16 kHz BW under normal test conditions - 32 dBm in 16 kHz BW under extreme test conditions Reference Bandwidth Limit...

  • Page 19: Me50-868 Functional Characteristics

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 3.6. ME50-868 Functional Characteristics M-Bus (Meter-Bus) is a European Standard for remote reading of gas, water or electricity meters. M-Bus is also usable for other types of consumption meters. The M-Bus interface is made for communication on two wires, making it very cost effective. This protocol exists with several physical layers such as paired wires, optical fiber or radio link.
  • Page 20 xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 Band M Band N Band P Band Q Band g ERC/REC70-03 EU Band 48 EU Band 50 EU Band 54b EU Band 56a Frequency 863.000-870.000 868.000-868.600 868.700-869.200 869.400-869.650 869.700- (MHz) 870.000 Global (1): 32,768 kbps (2): 100 kbps...
  • Page 21 xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 ETSI EN 300 220 Transmission +/- 12.5 kHz @ 25 kHz channelization Frequency error +/- 87 kHz (100 ppm) > 25 kHz channelization - 37 dBm in 16 kHz BW under normal test conditions - 32 dBm in 16 kHz BW under extreme test conditions Reference Bandwidth Limit...

  • Page 22: Digital Characteristic

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 3.7. Digital Characteristic Function Characteristics • 32 kB + 4 kB in system programmable flash • µC 4 kB RAM • 2 kB E PROM • RS232 TTL Full Duplex • 1200 to 115200 bps •...

  • Page 23: Ordering Information

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 3.9. Ordering Information The following equipment’s can be ordered: • The SMD version ( LE50-868 ME50-868) • The DIP interface version (LE50-868 ME50-868) • The Demo Kit (LE50-868) composed by n.2 evaluation boards, n.2 DIP interface boards, RF antennas, serial cables, batteries.
  • Page 24 xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 Demo Kit/Democase D LE50 DemoKit /DME50 Democase Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved. Page 24 of 45...

  • Page 25: Technical Description

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 Technical Description 4.1. Module Top View (cover side) CAUTION: reserved pins must not be connected CAUTION: In case you want to use in the same application Telit ZE51 or ZE61 modules J9 and J8 should not be connected, since reserved on these modules (see foot notes on Pin- Out tables.

  • Page 26: Pin-Out Of The Module Le50-868

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 4.2. Pin-out of the module LE50-868 Pin name Pin type Signal level Function RF Ground connection for external antenna Ext_Antenna RF I/O connection to external antenna RF Ground connection for external antenna Ground Ground Power...

  • Page 27: Pin-Out Of The Module Me50-868

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 4.3. Pin-out of the module ME50-868 Pin name Pin type Signal level Function RF Ground connection for external antenna Ext_Antenna RF I/O connection to external antenna RF Ground connection for external antenna Ground Ground Power...

  • Page 28: Pin-Out Of The Dip Module

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 4.4. Pin-out of the DIP Module Version 1 Version 2 Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved. Page 28 of 45...

  • Page 29: 1Vv0300905 Rev.14 - 2018-103-16

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 4.5. Description of the signals Signals Description External hardware reset of the radio module. Reset Active on low state. Serial link signals, format NRZ/TTL: TXD, RXD TXD is for outgoing data. RXD is for incoming data. The ‘1’...

  • Page 30: Process Information

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 Process Information 5.1. Delivery xE50-868 modules are delivered in plastic tray packaging, each tray including 50 units. The dimensions of the tray are the following: 329 mm x 176 mm x 5.6 mm. Each unit is placed in a 26.6 mm x 16 mm location.

  • Page 31: Storage

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 5.2. Storage The optimal storage environment for ME70-169 modules should be dust free, dry and the temperature should be included between -40°C and +85°C. 5.3. Moisture sensibility The level of moisture sensibility of the Product is “3” according with standard IPC/JEDEC JSTD-020, take care of all the relative requirements for using this kind of components.

  • Page 32: Solder Paste

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 All dimensions in mm Neither via-holes nor wires are allowed on the PCB upper layer in area occupied by the module. 5.6. Solder paste xE50-868 module is designed for surface mounting using half-moon solder joints (see diagram below).

  • Page 33: Pcb Pad Design

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 5.7. PCB pad design Non-Solder Mask Defined (NSMD) type is recommended for the solder pads on the host pcb: 5.8. PCB pad dimensions The recommended PCB pad dimensions are described in the following picture: as can be seen, solder mask apertures are 0.1mm larger than the copper pad: Reproduction forbidden without written authorization from Telit Communications S.p.A.

  • Page 34: Placement

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 5.9. Placement The xE50-868 module can be automatically placed on host boards by pick-and-place machines like any integrated circuit 5.10. Soldering Profile (RoHS Process) It must be noted that xE50-433/868 module should not be allowed to be hanging upside down during the reflow operation.
  • Page 35 xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 The barcode label located on the module shield is able to withstand the reflow temperature. CAUTION - It must also be noted that if the host board is submitted to a wave soldering after the reflow operation, a solder mask must be used in order to protect the xE50-868 radio module’s metal shield from being in contact with the solder wave.

  • Page 36: Board Mounting Recommendation

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 Board Mounting Recommendation 6.1. Electrical environment The best performances of the xE50-868 module is obtained in a “clean noise” environment. Some basic recommendations must be followed: • Noisy electronic components (serial RS232, DC-DC Converter, Display, Ram, bus ,...) must be placed as far as possible from the LE50-868 module.

  • Page 37: Rf Layout Considerations

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 6.3. RF layout considerations Basic recommendations must be followed to achieve a good RF layout: • It is recommended to fill all unused PCB area around the module with ground plane •...

  • Page 38: 6.4. Antenna Requirements

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 6.4. Antenna requirements Special care must be taken during the design of the RF section on the application board. RF performance degradation, and infringements of emission limits, may arise if the following recommendations are not respected. Special care must be taken when connecting an antenna or a connector to the module.
  • Page 39 xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 PCB material PCB thickness H (mm) Coplanar line W (mm) Coplanar line G (mm) Table 1: Values for double face PCB with ground plane around and under coplanar wave guide (recommended) PCB material PCB thickness H (mm) Coplanar line W (mm)

  • Page 40: Xe50-868 Interfacing

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 6.6. xE50-868 Interfacing Example of a full RS-232 connection between a PC or an Automat (PLC) and xE50-868 Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved. Page 40 of 45...

  • Page 41: Annexes

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 Annexes 7.1. Examples of propagation attenuation 433 MHz 868 MHz 2.4 GHz Factor Attenuation Attenuation Attenuation Open office 0 dB 0 dB 0 dB Window < 1 dB 1 – 2 dB 3 dB Thin wall (plaster) 3 dB...

  • Page 42: Eu Declaration Of Conformity

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 7.2. EU Declaration of conformity The LE50-868 and ME50-868 are to be considered radio equipment and therefore they are subject to 2014/53/EU Directive, also known as Radio Equipment Directive (RED). Therefore, Hereby, We, Telit Communications S.p.A, via Stazione di Prosecco 5/B, Sgonico 34010 –...

  • Page 43: Glossary

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 Glossary Adjacent Channel Power Adaptive Frequency Agility Bits per second Bandwidth Decibel Power level in decibel milliwatt (10 log (P/1mW)) PROM Electrically Erasable Programmable Read Only Memory e.r.p Effective radiated power ETSI European Telecommunication Standard Institute GFSK...

  • Page 44: Document History

    xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 Document History Revision Date Changes 2011-02-22 First Release • 2011-05-18 Updated pin-out table • New DIP module • Adding RF Layout drawing • 2011-06-23 Updated Related Documents • Added a table in 3.5 •...
  • Page 45 xE50-433/868 RF Module User Guide 1VV0300905 Rev.14 – 2018-103-16 • Removed LE50-433 • Updated standards, Clarify Duty cycle • Antenna requirements • Updated 1999/5/EC references to RED and added simplify EU DoC • Added ME50-868 functional characteristics Reproduction forbidden without written authorization from Telit Communications S.p.A.

This manual is also suitable for:

Le50-868Me50-868

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