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Embedded Planet Agora, Product User Manual

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Embedded Planet, Inc. 

Agora | Product User Manual 

Document Version: 1.0.0 | 11 Feb 22

 

 

Embedded Planet, Inc. | 31225 Bainbridge Rd Suite N, Solon, OH 44139 | 216-245-4180 | www.embeddedplanet.com | 

Page 34 of 47

 

 

14.1.

 

Antennae | Cellular Antenna

 

 

The recommended cellular antenna for use with Agora is the MFX3.07.0150C by Taoglas. This flexible 

antenna can be fully contained & secured with an adhesive backing inside the Agora plastic housing for 
configurations of Agora that include the custom plastic housing. The U.FL connector J7 is the connection 
between the Telit ME910 module and the cellular antenna. 

Required Antenna Specifications: 

o

 

Impedance: 

 

50 ohms 

o

 

Input power: 

 

>24dBm (250mW) Average power 

o

 

VSWR (absolute maximum): 

 

≤ 10:1 [above this limit, permanent damage to the module may occur] 

o

 

VSWR (recommended maximum): 

 

≤ 2:1 [to fulfill all regulatory requirements] 

o

 

Recommended antennae: 

 

Taoglas MFX3.07.0150C 

o

 

Minimum bandwidth, per LTE frequency band

: 

 

 

 

 

 

Summary of Contents for Agora

Page 1: ...Agora 4G LTE Cellular Modem MCU GNSS Bluetooth LoRa Sensors Product User Manual www embeddedplanet com Embedded Planet Inc v1 0 0 11 Feb 2022 ...

Page 2: ...ra device For elaboration on drawings software or other specific product details there may be other sources of information to which this document points as reference For the latest documentation including document certification updates please always refer to the Embedded Planet documentation page https www embeddedplanet com product documentation Product Web Page The Agora product page by Embedded...

Page 3: ...s Temp Humidity Pressure Gas U2 16 8 2 Sensors Temp Humidity U7 16 8 3 Sensors 6 Axis IMU U9 17 8 4 Sensors 9 Axis IMU U6 17 8 5 Sensors Time of Flight ToF U14 18 8 6 Sensors Microphone U5 18 9 GPIO Elements 19 9 1 GPIO Elements Red LED 19 9 2 GPIO Elements Pushbutton 19 10 Memory 19 11 Power 20 11 1 Power Battery 21 11 2 Power Battery Charging 21 11 3 Power Battery Monitor 21 11 4 Power Sensor Po...

Page 4: ...ISED Compliance 44 17 4 1 FCC and ISED Compliance FCC Certificate 44 17 4 2 FCC and ISED Compliance ISED Certificate 45 17 5 Wireless Notice 45 17 6 Antenna Notice FCC ISED 45 17 7 End Product Labeling Requirements 46 17 8 FCC Additional Testing Part 15 Subpart B Disclaimer 46 18 Revision History 47 Table 1 Part Number Configurator 5 Table 2 Part Number Options 6 Table 3 Wireless modules 7 Table 4...

Page 5: ...g Agora helps cut design time complexity and R D effort getting end user products to market faster Sensor options can accommodate the monitoring of temperature relative humidity barometric pressure VOC gas air quality audio distance Time of Flight ToF and inertial forces accelerometer gyroscope magnetometer Agora can be available as a PCBA printed circuit board assembly or as a full module which i...

Page 6: ...p sales embeddedplanet com TABLE 1 PART NUMBER CONFIGURATOR Design Long Part Number 263B 9 NA 4 G B 6 N S I R P H J N An example configuration for Agora would be 263B 9EWW4GB9NSIRPNJS which according to the following Table 2 would include the following 1 915MHz LoRa module with antenna 2 4G LTE Cat M1 Worldwide module 3 4FF nano SIM card connector 4 GNSS hardware 5 BME680 temp humidity sensor 6 9 ...

Page 7: ...l sensor 6 InvenSense ICM 20602 3 axis accel 3 axis gyro 9 ST LSM9DS1 3 axis accel 3 axis gyro 3 axis mag 7 Reserved N 8 Time of Flight N No time of flight sensor S ST VL53L0X 9 Microphone N No microphone I InvenSense ICS 43432 10 LED Indicator N No LED indicator R Red LED B Blue LED 11 Pushbutton N No pushbutton P Pushbutton 12 Modem headers N No modem headers H Modem headers 13 Battery Connector...

Page 8: ...ME910 cellular GNSS module 4 2 Feature Callouts Antennae TABLE 4 ANTENNAE Category Reference Functionality Description Purpose Antenna ANT1 LoRaWAN antenna Onboard antenna See Antenna section for more Antenna U3 Bluetooth antenna Onboard no offboard connections Antenna n a GNSS antenna Adhesive backed mounting optional Connector J8 GNSS U FL connector Offboard antenna supported Connector J7 Cellul...

Page 9: ...terface TE1 Board edge finger Tectonic Edge programming debug Connector BT1 Battery tab connector Optional battery tab connection Connector J1 SIM card connector SIM card interface eSIM option also available Connector J2 J4 Socket modem pin headers Drop in 20 pin header modem applications Connector J6 JST battery connector Optional JST battery connection LiPo J2 J4 Socket modem twin pin header arr...

Page 10: ...hone ICS 43432 Sound sensor Sensor U7 Temperature Humidity Si7021 A20 Environmental sensor Sensor U2 Temperature Humidity Pressure Air Quality BME680 Environmental sensor Sensor U9 Accelerometer Gyroscope ICM 20602 Inertial sensor Sensor U6 Accelerometer Gyroscope Magnetometer LSM9DS1 Inertial sensor Sensor U14 Time of Flight ToF VL53L0X Distance sensor U9 Accelerometer Gyro U6 Accelerometer Gyro ...

Page 11: ...unctionality Description Purpose Mounting MB1 4 Mounting bracket For use with the Agora plastic housing Mounting MH1 4 Mounting hole For mounting the Agora Pushbutton SW1 Pushbutton for GPIO usage User programmable functionality Switch SW2 ON OFF switch to the board Power switch to the Agora Label LB1 Board ID Label Identification serialization reference MH1 3 Board mounting holes SW1 GPIO Pushbut...

Page 12: ...edded Planet Inc Agora Product User Manual Document Version 1 0 0 11 Feb 22 Embedded Planet Inc 31225 Bainbridge Rd Suite N Solon OH 44139 216 245 4180 www embeddedplanet com Page 11 of 47 5 Block Diagram ...

Page 13: ... Bands NA B2 1900 B4 AWS1700 B12 700 B13 700 Uplink up to 375 kbps Downlink up to 300 kbps SIM Removable 4FF nano SIM card slot Board mounted MFF2 Internal Telit simWISE Cellular Certifications PTCRB Complete AT T Complete Verizon Complete GNSS Specifications Constellations GPS GLONASS BeiDou Galileo QZSS Tracking Sensitivity 161dBm Navigation Sensitivity 158dBm Cold Start Sensitivity 146dBm Input...

Page 14: ... channels Agora supports the development of the nRF52840 MCU via the Tectonic Edge board edge connection system used throughout Embedded Planet products Flidor a programming debug host board with Tectonic Edge compatibility is the choice development tool for use with Agora Flidor supports drag and drop programming along with streamlined debug features that make it the go to method for programming ...

Page 15: ...m input power 5W Gain 2 15dBi For more information on the NiceRF LoRa1276 C1 915 915MHz module please see https www nicerf com products detail lora wireless transceiver module lora1276 c1 915 html For more information on the NiceRF LoRa1276 C1 868 868MHz module please see https www nicerf com products detail lora wireless transceiver module lora1276 c1 868 html 7 3 Modules Cellular GNSS The Agora ...

Page 16: ...3 07 cat m1 wideband flexible antenna 150mm o1 37mm coax cable https www taoglas com datasheets MFX3 07 0150C pdf 8 Sensors Agora supports up to 9 different sensor data type parameters across 4 different sensor categories and 6 sensor selection options Table 9 describes the different sensor options available See section 4 4 Feature Callouts Sensors of this manual for reference of where each sensor...

Page 17: ...o Ethane 5 accuracy o Isoprene 2 methyl 1 3 Butadiene 5 accuracy o Ethanol 5 accuracy o Acetone 5 accuracy o Carbon Monoxide 2 accuracy This sensor communicates with the nRF52840 MCU over I2 C using the address 1110110b 0x76 For more information on the Bosch BME680 please see https www bosch sensortec com products environmental sensors gas sensors bme680 8 2 Sensors Temp Humidity U7 The Agora desi...

Page 18: ...40 MCU over I2 C using the address 1101000b 0x68 For more information on the InvenSense ICM 20602 please see https invensense tdk com products motion tracking 6 axis icm 20602 8 4 Sensors 9 Axis IMU U6 The Agora design supports the ST LSM9DS1 9 axis IMU sensor This sensor is comprised of an accelerometer a gyroscope and a magnetometer Features of this sensor include Integrated 16 bit ADC 3 axis gy...

Page 19: ...ercast 12 accuracy SPAD array Single Photon Avalanche Diodes with embedded FlightSense technology Laser invisible to the human eye This sensor communicates with the nRF52840 MCU over I2 C using the address 0101001b 0x29 For more information on the ST VL53L0X please see https www st com en imaging and photonics solutions vl53l0x html 8 6 Sensors Microphone U5 The Agora design supports the InvenSens...

Page 20: ...GPIO pin on the nRF52840 MCU This pushbutton is useful for development debugging as well as for some end product applications This pushbutton signal is active low The pushbutton GPIO pin is pulled high to 3 3V through an external 1M ohm resistor When pressed the pushbutton connects the GPIO pin to COM 0V The pushbutton GPIO pin is A2 P29 of the nRF52840 10 Memory Agora supports onboard NOR flash p...

Page 21: ...h the VBAT battery input line Shown above The Agora ON OFF switch 3 8V is the output of the main supply on the Agora board It is regulated by an ADI LTC3539 which receives its input from the battery voltage terminals For Agora configurations using the LiPo battery the battery voltage is directly fed into the input of the LTC3539 Using this regulator provides a steady 3 8V supply across input volta...

Page 22: ...nfigurations of Agora that include the custom plastic housing LiPo battery however include a LiPo charging circuit The LiPo charging interface in the Agora module configuration is a Micro B USB port on the underside of the plastics module that can connect to standard USB host devices The charging port features two LEDs one red LED and one green LED The red LED illuminates to indicate the battery i...

Page 23: ...lectively powered by the Sensor power enable function Temp humidity pressure VOC U2 Temp humidity U7 6 axis IMU U9 9 axis IMU U6 Time of Flight U14 Microphone U5 11 5 Power Cell Power Control The onboard nRF52840 MCU controls power to the Telit ME910 cellular module via a load switch Diodes Inc AP22802AW5 This provides maximum flexibility for balancing power consumption and data acquisition to emp...

Page 24: ...aces using Flidor including USB micro barrel jacks JST LiPo battery connector and more Programming through Flidor can be done over USB or through ARM Cortex headers Flidor also provides breakout lines of power lines GPIO and signal lines UART I2 C QSPI and more Current measurements can be accommodated through Flidor for some signals through the use of optional pin headers and or cut traces A Flido...

Page 25: ...ng the DHD USB micro USB port 3 Wait for the Flidor to enumerate as a USB device on the PC It should show up as a removable storage device e g DAPLINK under My PC or the equivalent external hardware interface connection directory 4 Locate generate the hex file of the application you want to program 5 Drag and drop the application hex file onto the Flidor removable storage device a This is an inter...

Page 26: ...ux virtual machine Ubuntu in combination with Vagrant Virtual Machine for example may be used for development Mbed CLI Agora drivers BSP files The IDE Linux tools of choice may be obtained from their respective preferred sources The mbed CLI tool can be obtained from https os mbed com docs mbed os v6 15 build tools install and set up html The Agora drivers Board Support Packages BSPs can be obtain...

Page 27: ...gns as well as existing ones The recommended interface for Agora s hardware integration is the Tectonic Edge connection system This manual specifies detail on the pinout connectors and more in the Tectonic Edge section Additional documentation including Tectonic Edge PCB footprint integration modem header integration is available at https www embeddedplanet com product documentation Below is an ex...

Page 28: ... 13 P0 13 Debug_TX EP Debug Header and cell aux UART B12 14 P0 18 nRESET BT840 Reset EP Debug Header A17 15 SWCLK SWD clock EP Debug Header A16 16 SWDIO SWD data EP Debug Header A15 A0 VSS Common COM A8 A1 P0 28 AIN4 CELL_PWR_EN Telit cell module A2 P0 29 AIN5 PB Pushbutton A3 P0 04 AIN2 INT_LIGHT_TOF Light sensor INT and ToF sensor INT A4 P0 05 AIN3 LED_RED LED A5 P0 07 TRACECLK LoRa_SCLK TRACECL...

Page 29: ...Module E1 P0 20 QSPI IO0 QPSI Flash B17 E2 P0 21 QSPI IO1 QPSI Flash B16 E3 P1 09 TRACEDATA3 LoRa_SS TRACEDATA3 LoRa Module B4 E4 D USB EP Debug Header A9 E5 D USB EP Debug Header A10 E6 P0 12 TRACEDATA1 LoRa_MISO TRACEDATA1 LoRa Module B1 F0 VSS Common COM B14 F1 VSS Common COM F2 VSS Common COM F3 VSS Common COM F4 VDDH Power Vin F5 DCCH Power NC F6 VBUS USB EP Debug Header A11 Z0 P1 11 BATT_MON...

Page 30: ... Agora are PCIE 036 02 F D RA by Semtec right angle or 10018784 10000TLF by Amphenol vertical See the Hardware Integration section of this manual for more detail on integrating Agora into another design using the Tectonic Edge interface Additional footprint and hardware integration details are available at https www embeddedplanet com product documentation In the following diagrams the red image f...

Page 31: ...B3 LoRa_SCLK TRACECLK LoRa Module P0 07 3 3 VDC B4 LoRa_SS TRACEDATA3 LoRa Module P1 09 3 3 VDC B5 Common COM n a COM B6 SCL Sensors P0 27 3 3 VDC B7 SDA Sensors P0 26 3 3 VDC B8 Common COM n a COM B9 CELL_ON_OFF Telit cell module P0 30 3 3 VDC B10 SENSOR_PWR_EN Load Switch P0 31 3 3 VDC B11 I2S_SD Microphone P0 25 3 3 VDC B12 Debug_TX EP Debug Header cell aux UART P0 13 3 3 VDC B13 Debug_RX EP De...

Page 32: ... P0 14 3 3 VDC A3 CELL_RX Telit cell module P1 01 3 3 VDC A4 CELL_CTS Telit cell module P1 08 3 3 VDC A5 Common COM n a COM A6 I2S_WS Microphone P0 08 3 3 VDC A7 I2S_SCK Microphone P0 06 3 3 VDC A8 Common COM n a COM A9 USB_P D nRF52840 P0 14 3 3 VDC A10 USB_N D nRF52840 P1 01 3 3 VDC A11 VUSB VBUS nRF52840 VBUS 5 VDC A12 Power Vin VDD 3 3 VDC A13 VBAT Battery voltage n a 1 7 5 VDC A14 Common COM ...

Page 33: ...ge 32 of 47 13 3 Modem Header Pinout Agora can be used as a drop in modem device using the twin 1x10 pin header footprint common to modem devices Configurations of Agora that include the population of these pin headers use a pair of 1x10 pos 2mm pitch SMD male pin headers In this format the nRF52840 does not control the host board Rather the entire Agora acts as a cellular modem ...

Page 34: ...for the cellular GNSS or LoRa operations to work Some configurations of Agora include the recommended cellular and or GNSS antennae Agora is also compatible with combination antennae as long as they follow the appropriate specifications according to their corresponding wireless module requirements Configurations of Agora that include the custom plastic housing may include external off board antenn...

Page 35: ...d with an adhesive backing inside the Agora plastic housing for configurations of Agora that include the custom plastic housing The U FL connector J7 is the connection between the Telit ME910 module and the cellular antenna Required Antenna Specifications o Impedance 50 ohms o Input power 24dBm 250mW Average power o VSWR absolute maximum 10 1 above this limit permanent damage to the module may occ...

Page 36: ...net com Page 35 of 47 MFX3 07 0150C device specifications features o NB IoT CAT M1 Bands o 698 3000 MHz o 45 Efficiency on all bands o 5 dBi Peak Gain o Ground Plane Independent TABLE 13 MFX3 07 0150C ELECTRICAL SPECIFICATIONS More on the Taoglas MFX3 07 0150C can be found at https www taoglas com product mfx3 07 cat m1 wideband flexible antenna 150mm o1 37mm coax cable ...

Page 37: ...oglas This antenna can be mounted directly to the Telit ME910 module using its adhesive surface This is the default method used for configurations of Agora that include the custom plastic housing The U FL connector J8 is the connection between the Telit ME910 module and the GNSS antenna The onboard 1 9V supply is generated from the 3 8V supply using the Microchip MIC5378C5 This 1 9V supply is used...

Page 38: ...tenna s specifications are as follows Frequency Range 915 5 MHz VSWR 1 5 Gain 2 15 dBi Input Impedance 50 Ω Max Power 5 W To review more information on the SW915 TH12 please visit https www nicerf com products detail 915mhz spring antenna sw915 th12 html Alternatively an external antenna may be used for Agora s LoRa features The recommended external antenna for such applications is the ANT 916 CW ...

Page 39: ...tonic Edge 0 3 VCC 0 3 System I O pins 15 2 Recommended Operating Conditions TABLE 15 RECOMMENDED OPERATING CONDITIONS Net Min V Typ V Max V Notes VBUS 4 35 5 0 5 5 USB bus voltage VBAT 1 7 3 7 5 Power to the board Labeled as Pos VBAT LiPo 3 2 3 7 4 2 LiPo battery voltage used on VBAT VCC 1 7 3 3 3 6 Regulated output nRF52840 system voltage I O pins Tectonic Edge 0 3 3 I O pins Tectonic Edge VOH 2...

Page 40: ...ble in a number of purchasable form factors Some form factors may include OEM PCBA o Agora board with selected sensor wireless options Plastics Production Ready o Agora board with selected sensor wireless options plastics battery US Style Mains o Agora board with selected sensor wireless options plastics US style mains converter More Please refer to https www embeddedplanet com agora for available...

Page 41: ... 32 mm Weight Fully Populated PCBA Module weight Including all population options 19 5 g 0 1 g Length PCBA In Plastics Module length 102 3 mm 0 3 mm Width PCBA In Plastics Module width 59 3 mm 0 3 mm Height PCBA In Plastics Module height 43 0 mm 1 mm Weight PCBA In Plastics Module weight Including LiPo Cell GNSS antennae fully populated PCBA 0 2 kg 16 3 Mechanical Drawings Within this section are ...

Page 42: ...Inc Agora Product User Manual Document Version 1 0 0 11 Feb 22 Embedded Planet Inc 31225 Bainbridge Rd Suite N Solon OH 44139 216 245 4180 www embeddedplanet com Page 41 of 47 16 3 1 Mechanical Drawings Assembly Views ...

Page 43: ...Inc Agora Product User Manual Document Version 1 0 0 11 Feb 22 Embedded Planet Inc 31225 Bainbridge Rd Suite N Solon OH 44139 216 245 4180 www embeddedplanet com Page 42 of 47 16 3 2 Mechanical Drawings Dimensions Top ...

Page 44: ...development verizonwireless com device showcase device 10940 Endorsements Compatibilities ARM MBED Enabled https os mbed com platforms AGORA DEV https os mbed com teams Embedded Planet Edge Impulse https docs edgeimpulse com docs agora product development kit Amazon AWS Qualified Microsoft Azure Portal Recommendations Thingsboard is the current nominally recommended portal for setting up viewing I...

Page 45: ...ff and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help 17 4 FCC and ISED ...

Page 46: ...an uncontrolled environment and meets the FCC radio frequency RF Exposure Guidelines and RSS 102 of the ISED radio frequency RF Exposure rules This transmitter must not be co located or operating in conjunction with any other antenna or transmitter The antenna should be installed and operated with minimum distance of 20 cm between the radiator and your body 17 6 Antenna Notice FCC ISED The Agora r...

Page 47: ...roduct manufacturer is responsible for compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification If the grantee markets their product as being Part 15 Subpart B compliant when it also contains unintentional radiator digital circuity then the grantee shall provide a notice stating that the final host product still requires Part 15 Subpart...

Page 48: ...n History TABLE 19 REVISION HISTORY Contact Embedded Planet Embedded Planet 31225 Bainbridge Rd Suite N Solon OH 44139 Phone 216 245 4180 Fax 216 292 0561 www embeddedplanet com Company Email Sales sales embeddedplanet com Information Requests info embeddedplanet com Technical Support support embeddedplanet com Revision Author Description Date 1 0 0 M Trowbridge Initial Release preliminary 8 Feb 2...

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