EWCM820 WIFI Serial Port Server

EWCM820 is designed according to industrial standards, with a wide working voltage range, strong anti-interference ability, lightning protection and surge impact resistance, and can work stably for a long time.
U provides two serial port signals and supports the simultaneous use of multiple serial port protocols
U 10/100M adaptive Ethernet interface, supporting dynamic IP and static IP
U adopts an industrial grade 32-bit ARM9 processor with a main frequency of 300MHz, 64M memory, and Flash 256M, which has extremely strong real-time processing capabilities
U supports multiple usage methods such as TCP Server, TCP Client, UDP, virtual serial port, back-to-back connection, etc
U supports dual configuration of software or web pages, making device parameter configuration convenient and flexible
U supports DNS domain name resolution function for convenient remote monitoring
U has the function of automatically reporting device IP addresses and supports online firmware updates
WLAN support standard: IEEE 802.11 b/g/n
The WLAN operates at a frequency of 2.4GHz and supports channels 1 to 13
WLAN supports both site and AP connection methods simultaneously
WLAN supports encryption methods such as WEP and WPA/WPA2 PSK, with automatic module recognition
WLAN supports WIFI roaming function
U has a Reset button, which can restore to factory settings in case of system parameter configuration confusion
The working voltage range is wide, and the power supply has good overcurrent, overvoltage, and anti reverse protection functions
U high-end metal shell, exquisite and beautiful, and can effectively protect the stable operation of the product
Support registration function for easy integration with cloud platforms

parameter category	parameter item	parameter value
WIFI parameters	operating frequency band	802.11b: USA Canada and Taiwan – 1 ~ 11 Most European Countries – 1 ~ 13 Japan – 1 ~ 14 802.11g: USA and Canada – 1 ~ 11 Most European Countries – 1 ~ 13 802.11n: USA and Canada – 1 ~ 11 Most European Countries – 1 ~ 13
	WiFi standard	IEEE802.11 b/g/n
	transmit power	11b: 17 dBm (± 2dBm EVM<35%) 11g: 15 dBm (± 2dBm EVM<-25dB) 11n_HT20: 13 dBm (± 2dBm EVM<-27dB)
	reception sensitivity	11b (11Mbps): -82 dBm (Typical) 11g (54Mbps): -68 dBm (Typical) 11n (HT20 MCS7): -66 dBm (Typical)
	transmission rate	802.11b: 1 2 5.5 11Mbps 802.11g: 6 9 12 18 24 36 48 54Mbps 802.11n:MCS 0~7 HT20
	encryption method	u WPA™- and WPA2™- (Personal) support for powerful encryption u and authentication u AES and TKIP acceleration hardware for faster data encryption u and 802.11i compatibility u Cisco® Compatible Extension- (CCX CCX 2.0 CCX 3.0 CCX u 4.0 CCX5.0) certified u Wi-Fi Protected Setup (WPS) u WEP U WMM / wmm-at u CKIP(Software)
serial port parameters	Baud rate	1200-115200bps
	working mode	TCP Server/TCP Client/UDP
	data length	8 digits
	stop bit	1 and 2 digits
	verification method	Odd check, even check, no check
	Lightning protection level	500W lightning surge
	Overvoltage and overcurrent protection	RS485: 30V/100mA overcurrent protection
Power parameters	voltage	DC9-30V
	power	≤2W
Environmental Requirements	Operating Temperature	-40℃～80℃
	Operating Humidity	≤95％RH
	Storage temperature	-40℃～80℃
	storage humidity	≤95％RH

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