AHM28108-B

AHM28108-B is the Wi-Fi HaLow™ industrial M.2 module The AHM28108-B allows building long-range, ultra-low power Wi-Fi networks in sub 1 GHz license-exempt bands, utilizing compact M.2 2242/2230 form factor. The AHM28108-B 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 2242/2230 B-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 USB LED Power LED WiFi HaLow LED Form factor M.2/NGFF 2242/2230 B-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) You must use the correct board configuration file (BCF). Please contact sales or technical support. Order Information AHM28108-B (US) AHM28108-B (EU) AHM28108-B (JP) AHM28108-B (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 -98 1.5 21 -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 -78 8.9 18.5 -75 18 17.5 -73 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 GND 3.3V (VDD33) 72 71 GND 3.3V (VDD33) 70 69 GND NC 68 67 I MM_RESET# (active low) NC 66 65 NC NC 64 63 NC NC 62 61 NC NC 60 59 NC NC 58 57 GND NC 56 55 NC MM_WAKE (active high) I 54 53 NC NC 52 51 GND NC 50 49 NC NC 48 47 NC NC 46 45 GND NC 44 43 NC NC 42 41 NC NC 40 39 GND NC 38 37 NC NC 36 35 NC NC 34 33 GND NC 32 31 NC NC 30 29 NC NC 28 27 GND NC 26 25 NC NC 24 23 NC NC 22 21 GND NC 20 Mechanical Key 11 GND NC 10 9 I/O USB 2.0 D- NC 8 7 I/O USB 2.0 D+ FULL CARD POWER OFF# (active low) I 6 5 GND 3.3V (VDD33) 4 3 GND 3.3V (VDD33) 2 1 NC * FULL_CARD_POWER_OFF# is an active low input signal that is used to turn off the entire adapter. M.2 module turns on since the pin is pulled high by the host (pin 6 connected to 3.3 V).