
Copyright © Shenzhen Rakwireless Technology Co., Ltd
ETDX1602241830
11
RAK477 Instruction Manual
Low latency immediate High-Throughput Block Acknowledgement (HT-BA)
Long NAV for media reservation with CF-End for NAV release
PHY-level spoofing to enhance legacy compatibility
Power saving mechanism
WLAN PHY Feature
802.11n OFDM
One Transmit and one Receive path (1T1R)
20MHz and 40MHz bandwidth transmission
Short Guard Interval (400ns)
DSSS with DBPSK and DQPSK, CCK modulation with long and short
preamble
OFDM with BPSK, QPSK, 16QAM, and 640QAM modulation. Convolutional
Coding Rate: 1/2, 2/3,3/4, and 5/6
Maximum data rate 54Mbps in 802.11g and 150Mbps in 802.11n
Fast receiver Automatic Gain Control (AGC)
Peripheral Interfaces
Maximum 1 SPI supported with baud rate up to 10.4MHz.
Support 4 External Timer Trigger Event (ETE function) with configurable
period in low power mode
Maximum 17 GPIO pins
2 high speed UART interface with baud rate up to 4MHz