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Quectel RMU500-EKNM, User Manual

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                                                                                                      5G  Module  Series

 

RMU500-EKNM_EVB_Kit_User_Guide                                                                                                  19  / 30 

 
 

 

3.6.2.  Antenna Efficiency 

 

Figure 12: Antenna Efficiency at 700

–960 MHz and 1.7–6 GHz 

 

 

Figure 13: Antenna Efficiency at 1.7

–6 GHz 

 

 

 

 

 

All measurements are done for the antennas of the RMU500-EKNM EVB kit with Agilent E5071C ENA 

network analyzer and OTA chamber. 

NOTE 

 

Summary of Contents for RMU500-EKNM

Page 1: ...RMU500 EKNM EVB Kit User Guide 5G Module Series Version 1 0 Date 2021 10 13 Status Released ...

Page 2: ...e employ commercially reasonable efforts to provide the best possible experience you hereby acknowledge and agree that this document and related services hereunder are provided to you on an as available basis We may revise or restate this document from time to time at our sole discretion without any prior notice to you Use and Disclosure Restrictions License Agreements Documents and information pr...

Page 3: ...l offer for sale or otherwise maintain production of any our products or any other hardware software device tool information or product We moreover disclaim any and all warranties arising from the course of dealing or usage of trade Disclaimer a We acknowledge no liability for any injury or damage arising from the reliance upon the information b We shall bear no liability resulting from any inaccu...

Page 4: ...interference on sensitive medical equipment so please be aware of the restrictions on the use of wireless devices when in hospitals clinics or other healthcare facilities Cellular terminals or mobiles operating over radio signal and cellular network cannot be guaranteed to connect in certain conditions such as when the mobile bill is unpaid or the U SIM card is invalid When emergency help is neede...

Page 5: ...le Series RMU500 EKNM_EVB_Kit_User_Guide 4 30 About the Document Revision History Version Date Author Description 2021 09 27 Albert XU Creation of the document 1 0 2021 10 13 Albert XU First official released ...

Page 6: ...B Kit Accessories 12 3 Interface Application 13 3 1 Power Supply J101 J301 13 3 2 M 2 Interface J201 14 3 3 USB Interface J301 15 3 4 U SIM Interface J401 16 3 5 Status Indicator D104 D107 17 3 6 RF Cables and Antennas 18 3 6 1 Antenna Design 18 3 6 2 Antenna Efficiency 19 3 6 3 Antenna Specification 20 4 EVB Operation Procedures 22 4 1 Component Assembling Steps 22 4 2 Turn on the Module 26 4 3 C...

Page 7: ...able Modules 8 Table 2 Key Features 9 Table 3 Interfaces of the EVB 10 Table 4 List of Accessories 12 Table 5 Pin Definition of J401 17 Table 6 Description of Status Indicator LEDs 18 Table 7 Antenna Specification 20 Table 8 Related Documents 29 Table 9 Terms and Abbreviations 29 ...

Page 8: ... 11 Reference Design for Antennas 18 Figure 12 Antenna Efficiency at 700 960 MHz and 1 7 6 GHz 19 Figure 13 Antenna Efficiency at 1 7 6 GHz 19 Figure 14 RM500Q CN RM500Q GL RF cable Sequence 20 Figure 15 RM500Q AE RM502Q AE RF Cable Sequence 21 Figure 16 Assembling Step One 22 Figure 17 Assembling Step Two 23 Figure 18 Assembling Step Three 23 Figure 19 RM500Q CN RM500Q GL RF Cable Assembly 24 Fig...

Page 9: ...n This document introduces the EVB kit RMU500 EKNM for Quectel 5G M 2 modules which is an assistant tool kit for engineers to develop and test the modules 1 1 Applicable Modules Table 1 Applicable Modules Module Series Models 5G RM500Q CN RM500Q GL RM500Q AE RM502Q AE ...

Page 10: ...onalities of the applicable modules 2 1 Key Features Table 2 Key Features Features Description Power Supply DC power supply 5 V 2 5 A for the EVB M 2 Interface Interface to mount applicable 5G M 2 modules U SIM Interface Support 1 8 2 95 V U SIM card USB Interface USB Type C Interface USB 2 0 USB 3 1 Status Indication 2 LEDs available for signal indication Physical Characteristics Size 100 mm 60 m...

Page 11: ...erence Designator Description Power Supply J101 Power Jack The power jack on the EVB Typical supply voltage 5 V 2 5 A M 2 Interface J201 The M 2 connecter for the module USB Interface J301 USB Type C interface used for data transmission power supply typical supply voltage 5 V 2 A U SIM Interface J401 U SIM card connector Indication LEDs D104 POWER_LED Power indicator indicating whether the module ...

Page 12: ...U500 EKNM_EVB_Kit_User_Guide 11 30 2 3 Top and bottom View of the EVB The following figure shows the top view of the EVB Figure 2 EVB Top View The following figure shows the bottom view of the EVB Figure 3 EVB Bottom View ...

Page 13: ...4 Soft silicone pad Thermal conductive pad 1 Heatsink Black anodized AL6063 1 USB flash drive Including the related documents tools and drivers for the module and RMU500 EKNM 1 Screw Used to clamp the module antennas and heatsink on the EVB 19 NONE of the applicable 5G M 2 modules are included as accessories of the RMU500 EKNM EVB kit RF cables heatsink soft silicone pad and screws are included as...

Page 14: ...ce J401 RF cables and antennas It also provides information about the status indicator LEDs D104 D107 to help you use the EVB 3 1 Power Supply J101 J301 The EVB is powered by an external power adapter through the power jack J101 on the EVB It can also be powered by the USB interface J301 referring to Chapter 3 3 The following figure shows the power supply interfaces of the EVB J301 J101 Figure 4 E...

Page 15: ...500 EKNM_EVB_Kit_User_Guide 14 30 3 2 M 2 Interface J201 The M 2 connector is designed to accommodate the module The following figure shows the M 2 connector on the EVB J201 M 2 Connector Figure 5 M 2 Connector of the EVB ...

Page 16: ... J301 The EVB provides a Type C USB connector J301 for the connection with a host Type C USB can be used for data transmission Also it can be used as power supply interface to power on the EVB J301 USB Connector Figure 6 USB Connector Figure 7 Connection Between PC and EVB ...

Page 17: ... J401 The following figure shows a simplified connection schematic for the U SIM card connecter U SIM card connector USIM_VDD USIM_CLK USIM_DATA USIM_RST Module J401 C1 C5 C6 C2 Push Push USIM_VDD USIM_DATA USIM_RST USIM_CLK USIM_DET GND USIM_DET C3 C7 C4 C8 CD GND VPP RESERVED RESERVED Figure 8 Simplified Connection Schematic for U SIM Card Connector J401 The figure and table below illustrate the...

Page 18: ...llowing figure shows the positions of these indicators D104 D107 Figure 10 Status Indicators Pin No Pin Name I O Function C1 USIM_VDD PO U SIM card power supply C2 USIM_RST DO U SIM card reset C3 USIM_CLK DO U SIM card clock C4 RESERVED Not connected C5 GND Ground C6 VPP Not connected C7 USIM_DATA DIO U SIM card data C8 RESERVED Not connected CD USIM_DET DI U SIM card detection ...

Page 19: ...igure 11 Reference Design for Antennas The matching circuit is composed of C1 C2 and R1 for antenna impedance modification The value of R1 is 0 Ω while C1 and C2 are not mounted by default Reference Designator Description D104 POWER_LED Power indicator indicating whether the module s power supply is ready Light on power on Light off power off D107 WWAN_LED RF status indicator for the module Light ...

Page 20: ...3 6 2 Antenna Efficiency Figure 12 Antenna Efficiency at 700 960 MHz and 1 7 6 GHz Figure 13 Antenna Efficiency at 1 7 6 GHz All measurements are done for the antennas of the RMU500 EKNM EVB kit with Agilent E5071C ENA network analyzer and OTA chamber NOTE ...

Page 21: ...EVB kit The installations for RM500Q CN and RM500Q GL are the same so does that for RM500Q AE and RM502Q AE The following figures illustrate these cable connections Figure 14 RM500Q CN RM500Q GL RF cable Sequence Antenna Specification Ant 0 Frequency Range 0 7 6 GHz Input Impedance 50 Ω Ant 1 Frequency Range 1 7 6 GHz Input Impedance 50 Ω Ant 2 Frequency Range 1 7 6 GHz Input Impedance 50 Ω Ant 3 ...

Page 22: ...re 15 RM500Q AE RM502Q AE RF Cable Sequence 1 Ant 0 3 have been assembled on the EVB to prevent damage during transportation 2 The RM500Q CN module which supports GNSS L1 L5 cannot support L5 in this case because the frequency range of Ant 1 is 1 7 6 GHz NOTE ...

Page 23: ...his chapter introduces how to assemble and use the RMU500 EKNM EVB kit to test and evaluate the module 4 1 Component Assembling Steps Please follow these steps to assemble the product Step 1 Remove the antennas one by one and keep the antennas and screws Figure 16 Assembling Step One ...

Page 24: ...tep 2 Attach the thermal conductive pad insert the module and lock the screw Figure 17 Assembling Step Two Step 3 Insert four RF cables There are two RF cable assembling methods when the EVB kit is used with different modules Figure 18 Assembling Step Three ...

Page 25: ...5G Module Series RMU500 EKNM_EVB_Kit_User_Guide 24 30 Figure 19 RM500Q CN RM500Q GL RF Cable Assembly Figure 20 RM500Q AE RM502Q AE RF Cable Assembly ...

Page 26: ...MU500 EKNM_EVB_Kit_User_Guide 25 30 Step 4 Place the heatsink on the module and tighten the screws Figure 21 Assembling Step Four Step 5 Assemble the antenna in turn and tighten the screws Figure 22 Assembling Step Five ...

Page 27: ...the other Type A end to an auxiliary power supply The module will be turned on automatically when the EVB is powered through the USB interface J301 or the power jack J101 4 3 Communication Via USB Interface 1 Power on the module according to the procedure in Chapter 4 1 2 When the EVB is connected to a PC with the USB Type C cable through the USB interface run the USB driver disk on the PC to inst...

Page 28: ...iguration see document 2 Figure 25 COM Port Setting Field on QCOM USB AT Port Connection 4 4 Firmware Upgrade Firmware of the module is upgraded via USB port by default please follow the procedures below to upgrade the firmware 1 Install and open the firmware upgrade tool QFlash on the PC and then turn on the module according to the procedures in Chapter 4 2 2 Click the COM Port dropdown list and ...

Page 29: ...ation see document 3 4 5 Turn Off the Module There are two methods to turn off the module Hardware method the module will be turned off after the power supply is disconnected Software method the module can be turned off with AT QPOWD command which is a preferred and safer method The module will log off from the network and save data before shutdown ...

Page 30: ..._USB_Driver_Installation_Guide 2 Quectel_QCOM_User_Guide 3 Quectel_QFlash_User_Guide 4 Quectel_RG50xQ RM5xxQ_Series_AT_Commands_Manual Abbreviation Description COM Communication Port DC Direct Current DI Digital Input DO Digital Output EVB Evaluation Board GND Ground I O Input Output LED Light Emitting Diode NC Not Connected PC Personal Computer PCB Printed Circuit Board ...

Page 31: ...NM_EVB_Kit_User_Guide 30 30 PO Power Output RF Radio Frequency SD Secure Digital SIM Subscriber Identity Module UART Universal Asynchronous Receiver Transmitter USB Universal Serial Bus U SIM Universal Subscriber Identity Module ...

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