AHM28108E

AHM28108E is the Wi-Fi HaLow™ industrial M.2 module The AHM28108E allows building long-range, ultra-low power Wi-Fi networks in sub 1 GHz license-exempt bands, utilizing compact M.2 2230 form factor. The AHM28108E data rate up to 43.3 Mbps at 8 MHz bandwidth with the high-speed data rate, it enables connectivity for many IoT applications, including sensors, weather stations, industrial monitoring, medical patient monitoring, agricultu Key Features Morse Micro MM8108 HaLow chipset IPEX4 (MHF4) antenna connector IPEX (MHF1) antenna connector Power LED WiFi HaLow LED M.2/NGFF 2242/2230 E-Key Specifications Chipset Morse Micro MM8108 Frequency 915 MHz (US) 868 MHz (EU) 850/924 MHz (JP) 920 MHz (TW) Modulation OFDM with BPSK, QPSK, 16QAM, 64QAM, 256QAM Max. Data rate Up to 43.3 Mbps @ 8 MHz bandwidth (Max. Phy rate) Channel bandwidth 1/2/4/8 MHz (US) 1 MHz (EU) 1/2/4 MHz (JP) 1/2/4/MHz (TW) Antenna connector 1x IPEX4 (MHF4) antenna connector (Default) 1x IPEX1 (MHF1) antenna connector (Optional) Host interface SDIO / SPI / USB LED Power LED WiFi HaLow LED Form factor M.2/NGFF 2242/2230 E-Key Dimensions 22 x 42 mm / 22 x 30 mm Operating temperature -40°C to 85°C (-40°F to 185°F) Software & SDK https://github.com/MorseMicro Board configuration file (BCF) Linux based: bcf_aw_hm677.bin mm8108b2-rl.bin STM32 based: bcf_boardtype_0a02.mbin Supports worldwide bands from 850MHz to 950MHz AHM28108E (US) AHM28108E (EU) AHM28108E (JP) AHM28108E (TW) 902 MHz – 928 MHz 863 MHz – 868 MHz 920.5 – 927.5 MHz 920.5 – 924.5 MHz 26 MHz 5 MHz 7 MHz 4 MHz RF Specifications & Operating Conditions Tx transmit power / Rx receive sensitivity Data Rate Modulation BW=1M BW=2M BW=4M BW=8M Tx (dBm) +/-2 Rx (dBm) PHY rate (Mbps) Tx (dBm) +/-2 Rx (dBm) PHY rate (Mbps) Tx (dBm) +/-2 Rx (dBm) PHY rate (Mbps) Tx (dBm) +/-2 Rx (dBm) PHY rate (Mbps) MCS0 BPSK 25 -104 0.3 24.5 -102 0.7 22.5 -99 1.5 21.5 -95 3.3 MCS1 QPSK 25 -102 0.7 24.5 -100 1.4 22 -95 3.0 20.5 -92 6.5 MCS2 QPSK 25 -100 1.0 24.5 -97 2.2 22 -93 4.5 20.5 -90 9.8 MCS3 16-QAM 24.5 -97 1.3 24.5 -94 2.9 22 -90 6.0 20.5 -87 13 MCS4 16-QAM 23.5 -94 2.0 24 -91 4.3 22 -86 9.0 20.5 -84 20 MCS5 64-QAM 21 -90 2.7 22.5 -87 5.8 21 -82 12 20 -80 26 MCS6 64-QAM 21 -88 3.0 21 -85 6.5 20 -81 14 19 -78 29 MCS7 64-QAM 18.5 -87 3.3 19.5 -83 7.2 19 -79 15 18.5 -77 33 MCS8 256-QAM 17 -83 4.0 17.75 -79 8.9 18.5 -75 18 17.5 -73 39 MCS9 256-QAM 15.75 -80 4.4 -- -- -- 16.75 -74 20 16 -71 43 Note: The following transmit power levels are for IEEE compliance for 802.11ah. They do not consider any backoffs needed for regional spectrum compliance (e.g., FCC, CE, TELEC, NCC). TX power in edge channels will be limited by the restricted band edge in the regulatory regions. ◎ Operating Conditions Symbol Minimum Typical Maximum Unit 3.3V (VDD33) 3.0 3.3 3.6 V TAMBIENT (Ambient temperature) -40 85 °C Tstg (Storage temperature) -40 125 °C Power Consumption ◎ Transmit Power Consumption No. Item 3.3V Band (MHz) Mode BW (MHz) RF Power (dBm) Transmit (mA) Max. Avg. 11ah US_915 MCS0 1 25 134.61 115.91 2 24.5 135.06 111.93 4 22.5 133.97 107.48 8 21.5 140.48 110.28 MCS9 1 15.75 109.47 89.18 MCS8 2 17.75 114.48 89.71 MCS9 4 16.75 119.58 92.2 MCS9 8 16 129.01 99.19 11ah EU_865.5 MCS0 1 14.75 106.6 92.08 MCS9 1 14.75 108.39 89.44 ◎ Receive Power Consumption No. Item 3.3V Band (MHz) Mode BW (MHz) Receive (mA) Max. Avg. 11ah US_915 MCS0 1 81.05 76.9 2 82.74 78.39 4 87.48 82.43 8 97.09 90.41 MCS9 1 83.29 76.68 MCS8 2 85.64 78.53 MCS9 4 91.04 82.93 MCS9 8 100.89 91.27 11ah EU_865.5 MCS0 1 84.27 78.28 MCS9 1 84.62 78.4 M.2 Pinout Assignment Top Bottom 75 GND 3.3V (VDD33) 74 73 NC 3.3V (VDD33) 72 71 NC NC 70 69 GND NC 68 67 NC NC 66 65 NC NC 64 63 GND NC 62 61 NC NC 60 59 NC NC 58 57 GND ** W_DISABLE1# (WiFi Disable)(active low) I 56 55 NC NC 54 53 NC NC 52 51 GND NC 50 49 NC NC 48 47 NC NC 46 45 GND NC 44 43 NC MM_DBG_TX (Reserved) 42 41 NC MM_DBG_RX (Reserved) 40 39 GND ** MM_BUSY (WiFi Busy)(active high) O 38 37 NC NC 36 35 NC NC 34 33 GND UART_RX 32 Mechanical Key 23 I MM_RESET# (active low) UART_TX 22 21 I MM_WAKE (active high) NC 20 19 I/O SDIO_DATA3 / SPI_CS GND 18 17 I/O SDIO_DATA2 NC 16 15 I/O SDIO_DATA1 / SPI_INT NC 14 13 I/O SDIO_DATA0 / SPI_MISO NC 12 11 I/O SDIO_CMD / SPI_MOSI NC 10 9 I SDIO_CLK / SPI_SCK NC 8 7 GND External WiFi HaLow LED# (MM8108 GPIO 5)(active low) O 6 5 I/O USB_D- 3.3V (VDD33) 4 3 I/O USB_D+ 3.3V (VDD33) 2 1 GND * W_DISABLE1#: WiFi Disable, active low, connect to the Host * MM_BUSY: WiFi Busy, active high, connect to the Host Reference Design