AHM28108-E

AHM28108-E is the Wi-Fi HaLow™ industrial M.2 module The AHM28108-E 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 AHM28108-E 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, agriculture monitoring, surveillance camera. Key Features Morse Micro MM8108 HaLow chipset IPEX4 (MHF4) antenna connector IPEX (MHF1) antenna connector Power LED WiFi HaLow LED M.2/NGFF 2230 E-Key Specifications Chipset Morse Micro MM8108 Frequency 915 MHz (US) 868 MHz (EU) 924 MHz (JP) 920 MHz (TW) Modulation OFDM with BPSK, QPSK, 16QAM, 64QAM, 256QAM Max. Data rate Up to 43.3 Mbps at 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 IPEX (MHF1) antenna connector (Optional) Host interface SDIO / SPI / USB LED Power LED WiFi HaLow LED Form factor M.2/NGFF 2230 E-Key Dimensions 22 x 30 mm (0.87 x 1.18 inches) Operating temperature -40°C to 85°C (-40°F to 185°F) Software & SDK https://github.com/MorseMicro Board configuration file (BCF) You must use the correct board configuration file (BCF). Please contact sales or technical support. Order Information AHM28108-E (US) AHM28108-E (EU) AHM28108-E (JP) AHM28108-E (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 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 -98 1.5 21 -95 3.3 MCS1 QPSK -- -- 0.7 -- -- 1.4 -- -- 3.0 -- -- 6.5 MCS2 QPSK -- -- 1.0 -- -- 2.2 -- -- 4.5 -- -- 9.8 MCS3 16-QAM -- -- 1.3 -- -- 2.9 -- -- 6.0 -- -- 13 MCS4 16-QAM -- -- 2.0 -- -- 4.3 -- -- 9.0 -- -- 20 MCS5 64-QAM -- -- 2.7 -- -- 5.8 -- -- 12 -- -- 26 MCS6 64-QAM -- -- 3.0 -- -- 6.5 -- -- 14 -- -- 29 MCS7 64-QAM -- -- 3.3 -- -- 7.2 -- -- 15 -- -- 33 MCS8 256-QAM -- -- 4.0 17.75 -78 8.9 -- -- 18 -- -- 39 MCS9 256-QAM 15.75 -80 4.4 -- -- -- 16.75 -74 20 16 -70 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 VDD33 3.0 3.3 3.6 V TAMBIENT (Ambient temperature) -40 85 °C Tstg (Storage temperature) -40 125 °C Power Consumption ◎Transmit Current Consumption (Average) Transmit current consumption for VBAT, VBAT_TX separated. ◎Receive Current Consumption (Average) 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 Reference Schematic_External WiFi HaLow LED