FCC ID: 2AUQE14DJC LoRa RF Module

FMLR-72-x-STL0Z High Performance LoRaWAN-RF-Modules and Sensors Description Key benefits to devices, The FMLR LoRaWAN RF modules enable wireless connectivity systems and sensors communicating at low data-rate over a long distance. Power consumption can be optimized to run from a small-sized battery. The integrated ARM Cortex-M0+ 32-

bit microcontroller runs the entire RF stack and has sufficient resources available to run user applications. The system can easily be extended with low power sensors to build production ready IoT sensor nodes. All FMLR modules are prepared for seamless integration into LoRaWAN networks. The modules are available with additional on-board flash memory to enable Over-the-Air

(OTA) update and data storage. The module offers a frequency range from 860 MHz up to 1020 MHz. The FMLR family supports additional modulation schemes over LoRa. These modulation schemes include (G)FSK, (G)MSK, ASK, and OOK. This enables communication with standards like Wireless M-

Bus and IEEE802.15.4g. The modules also allows the emulation of proprietary systems such as Nordic NRF905 or NRF9E5 with enhanced coverage range. In order to support fast prototyping and development, the module's firmware including the wireless stack can be updated via SWD, UART-Bootloader or OTA. LoRaWAN IoT module Line-of-sight range of 100 km possible Runs customer specific applications and existing radio stacks Tiny footprint: 14 x 19.5 mm Supports frequency range from 860 to 1020 MHz Fully FCC and CE certified Applications Low data rate IoT use cases Telemetry applications Smart city / smart building Tracking and monitoring Smart agriculture Battery powered sensors Low power RF systems Remote data logging UART / SPI / I2C wireless bridging Industrial and home automation

(USB optionally available) Contact: Miromico AG - Gallusstrasse 4 - CH-8006 Zrich Switzerland 1/6 Revision 1.0149 About this Document Document Type Title Subtitle Revision Date FCC ID Document Status FMLR-72-x-STL0Z Datasheet 1.0149 04/30/20 Preliminary 2AUQE14DJC High Performance LoRaWAN-RF-Modules and Sensors Contents Description.................................................................................................................................................. 1 Key benefits................................................................................................................................................. 1 Applications................................................................................................................................................. 1 Functional Description................................................................................................................................. 3 Block Diagram............................................................................................................................................. 3 Absolute Maximum Ratings......................................................................................................................... 4 Operation Conditions.................................................................................................................................. 4 Variants........................................................................................................................................................ 4 Dimensions and Pinout................................................................................................................................ 5 Footprint FMLR Family................................................................................................................................ 6 Tape Information......................................................................................................................................... 6 We reserve the right to make technical changes, which serve to improve the product, without prior notification. SAFETY-CRITICAL, MILITARY, AND AUTOMOTIVE APPLICATIONS DISCLAIMER: Miromico products are not designed for and will not be used in connection with any applications where the failure of such products would reasonably be expected to result in significant personal injury or death (Safety-Critical Applications) without an Miromico officer's specific written consent. Safety-

Critical Applications include, without limitation, life support devices and systems, equipment or systems for the operation of nu-

clear facilities and weapons systems. Miromico products are not designed nor intended for use in military or aerospace applica-

tions or environments. Miromico products are not designed nor intended for use in automotive applications unless specifically designated by Miromico as automotive-grade. FCC: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) This device may not cause harmful interference, and

(2) this device must accept any interference received, including interference that may cause undesired operation. The module is FCC compliant by using antenna ANT-868-PW-QW-UFL from Linx Technologies Inc. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Contact: Miromico AG - Gallusstrasse 4 - CH-8006 Zrich Switzerland 2/6 Revision 1.0149 Functional Description The FMLR-72-x-STL0Z is a compact low-power wide-area network (LPWAN) wireless module that supports the LoRaWAN long-range wireless protocol. The external antenna module measures just 14 x 19.5 mm or 14 x 22.75 mm in the chip antenna variant. This makes it an extraordinarily small LoRa Module with an integrated antenna. The module includes a Semtech SX1272 ultra-long-range spread-spectrum wireless transceiver and an STM32L0Z series ARM Cortex M0+ 32 bit microcontroller (MCU) with an internal flash size of 192 kB. It is capable of sending with up to 20 dBm and receiving with a sensitivity of -137dBm. This allows the module to be placed in high density urban or long range rural environments and connect a large variety of sensors to LoRaWAN and proprietary networks based on LoRa, (G)FSK, (G)MSK, ASK, OOK coding schemes. Examples are Wireless M-Bus, IEEE802.15.4g, Nordic NRF905 and NRF9E5 emulation. Block Diagram 1 1 USB Interface is optinally available Contact: Miromico AG - Gallusstrasse 4 - CH-8006 Zrich Switzerland 3/6 Revision 1.0149 Absolute Maximum Ratings Symbol Ratings VDD - VSS External main supply voltage (on all Power Pins) VIN IPIN TSTG Input Voltage any Pin DC current on any Pin Storage Temperature Min

-0.3 VSS - 0.3

-40 Max 3.6 VDD 10

+85 Unit V V mA C WARNING!

Stressing the device beyond the Absolute Maximum Ratings may cause permanent damage. These are stress ratings only. The product is not protected against over voltage or reversed voltages. Use protection diodes to limit voltage spikes to the boundaries given above. Symbol Parameter Conditions Min Typ Max Unit Operation Conditions VDD VIL VIH VOL VOH Standard operating Voltage Digital IO Pin Low Input Voltage Digital IO Pin High Input Voltage Digital IO Pin Low Output Voltage Digital IO Pin High Output Voltage ISUPPL Current Consumption PRFIN Highest receiving sensitivity RFOUT RF Output Power RXFSK Receiver sensitivity FSK Mode RXLORA Receiver sensitivity LoRa Mode RXSNR Receiver signal to noise ratio

TX mode (14 dBm) RX Mode Sleep Mode VDD > 2.4 V (DC) VDD < 2.4 V (DC) 1.2kbps 38.4 kbps SF12 @ 125 kHz SF6 @ 500 kHz SF12 SF6

1.8 VSS 0 0.7*VDD VDD-0.4

25.5 8.2 1.4

-123

-110

-137

-111

-20

-5

0.4*VDD 3.6 VDD 0.4

-137 20 17

V V V V V mA mA A dBm dBm dBm dBm dBm dBm dBm dB dB C TOPT Operating Temperature

-40

+85 Variants Partnumber RF Path Size Controller Internal Flash Size FMLR-72-U-STL0Z-(4M) U.FL connector 14 x 19.5 x 3.5 mm3 STM32L071Z2 FMLR-72-P-STL0Z-(4M) Antenna pad 14 x 19.5 x 2.2 mm STM32L071Z2 FMLR-72-C-STL0Z-(4M) On board antenna 14 x 22.75 x 5.2 mm STM32L071Z2 192 kB 192 kB 192 kB 2 Options for other STM32 variants and external flash (4 Mbit) are available on request, such as USB, Cortex-M4 with FPU 3 With U.FL antenna connected. 14 x 19.5 x 2.5 mm without a connected antenna. Please also refer to the FMLR part numbering scheme on the Miromico website:

https://miromico.ch/portfolio/fmlr-module-stm/?lang=en Contact: Miromico AG - Gallusstrasse 4 - CH-8006 Zrich Switzerland 4/6 Revision 1.0149 Dimensions and Pinout FMLR-72-C-STL0Z-(4M) FMLR-72-U-STL0Z-(4M) and FMLR-72-P-STL0Z-(4M)

1 2 3 4 5 6 7 8 9 GND NRST PC13 SDA SCL U1RX U1TX Pad Name MCU Pad Description Ground (VSS) MCU Reset MCU PC13 MCU I2C SDA MCU I2C SCL NRST PC13 PB9 PB8 BOOT0 BOOT0 MCU BOOT0 PA10 MCU UART1 RX PA9 MCU UART1 TX SWCLK PA14 MCU Debug CLK 10 SWDIO PA13 MCU Debug Data 13 VIN 14 PC7 15 PC6 16 PC10 17 PC11 18 PA15 19 PD2 PC7 PC6 PC10 PC11 PA15 PD2 Supply Voltage MCU PC7 MCU PC6 MCU PC10 MCU PC11 MCU PA15 MCU PD2 20 PC12 PC12 MCU PC12 11 USBP 12 USBN PA12 PA11 MCU USB Data Positive (L073) MCU USB Data Negative (L073)

Pad Name MCU Pad Description PB7 PH2 PH1 PC1 PA8 PB2 PB3 PB4 PB5 PA5 PA3 PA2 PA1 PA0 PB0 21 PB7 22 PH2 23 PH1 24 PC1 25 GND 26 PA8 27 PB2 28 SCK 29 MISO 30 MOSI 31 PA5 32 U2RX 33 U2TX 34 PA1 35 PA0 36 PB0 37 GND 41 GND 42 ANT 43 GND MCU PB7 MCU PH2 MCU PH1 MCU PC1 Ground (VSS) MCU PA8 MCU PB2 MCU SPI SCLK4 MCU SPI MISO4 MCU SPI MOSI4 MCU SPI CSS MCU UART2 RX MCU UART2 TX MCU PA1 MCU PA0 MCU PB0 Ground (VSS) Ground (VSS) RF Out (50 Ohms) Ground (VSS) 4 IMPORTANT: If the module variant contains an external flash, these pins are connected internally and should not be used as GPIO pins!

Contact: Miromico AG - Gallusstrasse 4 - CH-8006 Zrich Switzerland 5/6 Revision 1.0149 GND NRST PC13 SDA SCL BOOT0 U1RX U1TX SWCLK SWDIO USBP USBN VIN PC7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 m m 5 7 2 2

. 36 35 34 33 32 31 30 29 28 27 26 25 24 PB0 PA0 PA1 U2TX U2RX PA5 MOSI MISO SCK PB2 PA8 GND PC11 5 1 6 1 7 1 8 1 9 1 0 2 1 2 2 2 3 2 6 C P 0 1 C P 1 1 C P 5 1 A P 2 D P 2 1 C P 7 B P 2 H P 1 H P 14 mm D N G T N A D N G 3 4 2 4 1 4 GND NRST PC13 SDA SCL BOOT0 U1RX U1TX SWCLK SWDIO USBP USBN VIN PC7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 5 1 6 1 7 1 8 1 9 1 0 2 1 2 2 2 3 2 6 C P 0 1 C P 1 1 C P 5 1 A P 2 D P 2 1 C P 7 B P 2 H P 1 H P 14 mm 37 36 35 34 33 32 31 30 29 28 27 26 25 24 GND PB0 PA0 PA1 U2TX U2RX PA5 MOSI MISO SCK PB2 PA8 GND PC11 m m 5

. 9 1 Footprint FMLR Family Dimension Min. Typ. Max. Topview Detail view A Ae B C D E F G a b 5.6 13.7 8.75 2.5 1.25 1.85 1 0.5 1.5 0.9 1.45 0.85 1.55 0.95 All measurements in mm Tape Information Contact: Miromico AG - Gallusstrasse 4 - CH-8006 Zrich Switzerland 6/6 Revision 1.0149

muiromico swiss engineering undimuted. To Whom It May Concern:

Please be advised that Applicant Name: Miromico AG. Address: Gallusstrasse 4 City: 8006 Zurich Country: Switzerland authorizes, Mr. Mika Chan, Project Manager at TUV Rheinland Hong Kong Ltd. to act on our behalf, until otherwise notified, for applications submitted to a Telecommunication Certification Body (TCB) recognized by the FCC. We certify that we are not subject to denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse ACT of 1988, U.S.C.862. Further, no party, as defined in 47 CFR 1.2002 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. Thank you for your attention to this matter.

/ LY

- Signature: f 7 Name:

Title:

fs hl miIfomico swiss engineering uniimited. Applicant Name: Miromico AG Address: Gallusstrasse 4 City: 8006 Zurich Country: Switzerland Federal Communications Commission Authorization and Evaluation Division Confidentiality Request Pursuant to 47 CFR Section 0.457 and 0.459, the applicant hereby requests non-disclosure and

- confidential treatment of the following materials submitted in support of FCC certification application for FCC 1D: 2AUQE14DJC Bill(s) of Material XxX Block Diagrams x] Operational Description Schematic Diagrams The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Signature:

Name: M 24 Ques paonck }

Title: Dine clos Enbeool of 2 of Date: AGA 140/04

MIfOMICO swiss engineering unlimited. Modular Approval Request Letter Dear Application Examiner, We, Miromico AG, request Modular Approval for the device, FCC ID: 2AUQE14DJC. The requirements identified in 15.212 are met as shown below. Requirements Yes/ No)*

(a)(1)(i) The radio elements of the modular transmitter must have their own shielding. a

| shielded radio elements.

(a)(1)(ii) The modular transmitter must have buffered modulation/data inputs (if such inputs are provided) to ensure that the module will comply with part 15 requirements under conditions of excessive data rates or over-modulation. The modular transmitter must have its own power supply regulation. The modular transmitter must comply with the antenna and transmission system requirements of 15.203, 15.204(b) and 15.204(c). The antenna must either be permanently attached or employ a unique antenna coupler (at all connections between the module and the antenna, including the cable). The professional installation provision of 15.203 is not applicable to modules but can apply to limited modular approvals under paragraph (b) of this section. The modular transmitter must be tested in a stand-alone configuration, i.e., the module must not be inside another device during testing for compliance with part 15 requirements. Unless the transmitter module will be battery powered, it must comply with the AC line conducted requirements found in 15.207. AC or DC power lines and data input/output lines connected to the module must not contain ferrites, unless they will be marketed with the module (see 15.27(a)). The length of these lines shall be the length typical of actual use or, if that length is unknown, at least 10 centimeters to insure that there is no coupling between the case of the module and supporting equipment. Any accessories, peripherals, or support equipment connected to the module during testing shall

- be unmodified and commercially available (see 15.31(i)). The modular transmitter must be equipped with either a permanently affixed label or must be capable of electronically displaying its FCC identification number The modular transmitter must comply with any specific rules or operating requirements that ordinarily apply to a complete transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements. A copy of these instructions must be included in the application for equipment authorization.

(a)(1)(vill) | The modular transmitter must comply with any applicable RF exposure Yes requirements in its final configuration If No, the responsible party must demonstrate how it will retain control over the final installation of the device, such that compliance of the product is ensured by limiting the installation to a specific host or hosts AL Lr Robin Bolt, Engineer Embedded Systems Miromico AG, 10.10.2019 Item a)(1)(iii

(a)(1)(iv)