What is the 3181A-S
It is a highly integrated 2.4 GHz Wi-Fi module that support the IEEE 802.11b/g/n baseband and RF circuit.
It is based on Hisilicon Hi3881 chipset, which includes the SPI, UART, I2C, PWM, GPIO, and multi-channel ADC. In
General Specification
Model No |
3181A-S |
Product Description |
Support Wi-Fi Functionality |
Dimension |
L x W x H: 12 x 12 x2.3 (typical) mm |
Host Interface |
Support SDIO 2.0 |
Working Temperature |
-40°C to 85°C |
Recommended Operating Rate
Min | Typ | Max | Unit | |
Working Temperature | -40 | 25 | 85 | deg.C |
VCC | 2.3 | 3.3 | 3.6 | V |
VDDIO | - | 1.8V/3.3V | - | V |
Power Consumption |
VCC=3.3.V(mA) | |||
TX Throughut Test(2.4G HT20) | 365 | |||
RX Throughut Test(2.4G HT20) | 53 |
Operating Frequency
|
2.412~2.472GHz
|
Standards
|
IEEE 802.11b, IEEE 802.11g, IEEE 802.11n,
IEEE 802.11d, IEEE 802.11e, IEEE 802.11h,
IEEE 802.11i, IEEE 802.11k, IEEE 802.11v,
IEEE 802.11w
|
Modulation
|
802.11b: DSSS(1M,2Mbps), CCK(11, 5.5Mbps),
802.11 g/n: OFDM
|
PHY Data rates
|
802.11b: 11,5.5,2,1 Mbps
802.11g: 54,48,36,24,18,12,9,6 Mbps
802.11n: up to 72.2Mbps
|
Transmit Output Power
|
802.11b@11Mbps 17±1.5dBm
802.11g@54Mbps 15±1.5dBm
802.11n@MCS7 14±1.5dBm
|
Operating Channel
|
11: (Ch. 1-11) – US
13: (Ch. 1-13) – EU
|
Media Access Control
|
CSMA/CA with ACK
|
Network Architecture
|
Ad-hoc mode (Peer-to-Peer )
Infrastructure mode
Software AP
Wi-Fi Direct
|
OS Supported
|
LiteOS/Linux
|