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
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