Chengdu Ebyte Electronic Technology Co., Ltd.
E103-W02 User Manual
Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.
5
2.3 Hardware parameters
Hardware parameters
model
Remark
E103-W20(7688)
E103-W20(7628)
chip
MT7688AN
MT7628AN
Flash
32MB
Customizable 16MB/8MB
Memory
DDR2 128MB
Customizable DDR2 256M/64M/32MB
kernel
MIPS24KEc
Packaging method
patch
Antenna interface
IPEX×1
（1T2R 2.4 GHz with
150Mbps PHY data
rate）
IPEX×2
（2T2R 2.4 GHz with
300Mbps PHY data
rate）
Characteristic impedance about 50 ohms
interface
Ethernet
interface
5 10M/100M adaptive
Interfaces supported by factory default firmware 1
WAN, 4 LAN .
UART
3 way
The interfaces supported by the firmware are 2-way
UART with transparent transmission function .
SDIO
1 way
Firmware interface not supported
SPI
1 way
Firmware interface not supported
I2C
1 way
Firmware interface not supported
I2S
1 way
Firmware interface not supported
PWM
1 way
Firmware interface not supported
GPIO
8 or more
Firmware Supported Interfaces Defined Functions
size
34.1*18.7*2.7mm
36.1*18.7*2.7mm
The error size is ±0.1mm
Note: 1. The default firmware of the module is the firmware developed by our company based on Linux; Ethernet, WiFi, UART0 and
UART1 of this firmware have transparent transmission function;
2. The OPENWRT program or the original MTK Linux program can be programmed according to the actual usage.
