MLink Ultra User’s Guide Revision – Draft Apr 1, 2021 106, 4715 - 13th St. NE, Calgary, Alberta, Canada, T2E 6M3 (403) 777-9988 support@aurorawirelessnetworks.
MLink Ultra User’s Guide Page 2 4/1/2021 1:39 PM Table of Contents 1 LEGAL DISCLAIMER AND CONDITIONS OF USE ............................................................... 2 2 REVISION HISTORY ............................................................................................................... 3 3 ABBREVIATIONS .................................................................................................................... 3 4 REFERENCE DOCUMENTS ......................................
MLink Ultra User’s Guide 2 Date Apr 1, 2021 Description Initial release Abbreviations Abbreviation A/D ATTN Aux BSL CLK CS (nCS) CTS EN FCC GPIOD HCR I2C IC IRQ LNA MOSI MISO PA PCB PWM RBW RF RST (nRST) RTC RTS Rx RxD SCK SDA SPI SW TBC TBD TRP Tx TxD TDD UART 4 4/1/2021 1:39 PM Revision History Revision Draft 3 Page 3 Description Analog to Digital Attenuator Auxiliary Boot Strap Loader Clock Chip Select (not Chip Select) Clear to Send Enable Federal Communications Commissions General Purpose Inp
MLink Ultra User’s Guide Page 4 4/1/2021 1:39 PM 3. Bill of Materials (BOM, AWN, Ultra, Rev 2, Mar 22, 2021.BOM) 5 Product Overview MLink Ultra (AMU900) is the next generation of MLink 900. It is an ultra energy and cost efficient, long range wireless network. Available as a module, development platform or a fully customized product. Perfect for a wide range of applications, this highly versatile platform enables rapid design, development, and deployment of your next generation products.
MLink Ultra User’s Guide 7.3 Page 5 4/1/2021 1:39 PM Data Rates Dynamically adaptable from 1.2 – 76.8 kbps 7.4 Interfaces RF o 50 Ω Digital/Base Band o ADC, PWM, GPIO, I2C, SPI, UART 7.5 Firmware Real Time Operating System Embedded, autonomous protocol Up to 64 kB Flash and 4 kB RAM available for customer applications 7.
MLink Ultra User’s Guide Page 6 4/1/2021 1:39 PM Figure 8.1.1.1 – FCC Label 8.1.2 FCC Notices WARNING: The MLink Ultra modules have been tested by the FCC for use with other products without further certification (as per FCC Section 2.1091). Changes or modifications to this device not expressly approved by Aurora Wireless Networks Inc could void the user’s authority to operate the equipment. NOTICE: OEM’s must verify the final end product complies with unintentional radiators (FCC Section 15.
MLink Ultra User’s Guide Page 7 4/1/2021 1:39 PM list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device. Le présent émetteur radio Model: AMU900, IC: 27118 – AMU900 a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés cidessous et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne.
MLink Ultra User’s Guide Page 8 4/1/2021 1:39 PM 50 Ω microstrip transmission line to antenna. PI matching circuit To Antenna 50 Ω microstrip transmission line to Ultra. To Ultra The matching is only needed to optimize the antenna matching depending ultimate environment around the antenna. Ultra Module 8.3.2 External Antenna Mlink Ultra modules have been approved for use with an external Yagi antenna captured below including a 1.2 dB min cable loss.
MLink Ultra User’s Guide Page 9 4/1/2021 1:39 PM 2 3 Note 2: With 1.2 dB min cable loss (as captured below) for 4.8 dBd total. Note 3: With 1.2 dB min cable loss (as captured below) for 7 dBi total. 9 5 ft min of RG-174 (27.9 dB/100 ft @ 900 MHz) 7 ft min of RG-58/RG-8X (20.1 dB/100 ft @ 900 MHz) 16 ft min of RG-213/LMR240 (7.7 dB/100 ft @ 900 MHz) 32 ft min of LMR-400 (3.
MLink Ultra User’s Guide Page 10 4/1/2021 1:39 PM responsible for ensuring that the end-user has no manual instructions to remove or install the module. 9.1 Mounting MLink Ultra is a surface mount device which is installed on the OEM PCB along with other components. The mechanical drawing below captures the external dimensions of the MLink Ultra module. Figure 9.1.1 – MLink Ultra Mechanical Drawing The recommended footprint is shown in the figure below. Figure 9.1.
MLink Ultra User’s Guide 9.
MLink Ultra User’s Guide Pin # 39, 47, 48, 57 43-46 27-30, 3437, 54, 58, 59 Name (bi-directional) UART_RTS, UART_Tx, UART_Rx, UART_CTS (bi-directional) SPI_CS, SPI_MOSI, SPI_MISO, SPI_CLK (bi-directional) Aux A/D, GPIOA.2, GPIOA.1, GPIOA.5, GPIOCLK0, AudioOut, GPIOPWM0A, GPIOPWM0B, GPIOCLK1, GPIOD2, GPIO4, GPIO5 (bi-directional) Page 12 4/1/2021 1:39 PM Description Digital MLink serial interface.
