Elfin-EW30B&EW31B&EW32B

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Elfin-EW3XB serial server provides a product that converts 232/485/TTL serial port and Wi Fi protocol, supports 2.4G and 5G dual band WIFI, and provides a solution for the channel of serial port to wireless data transmission. This product integrates rich hardware interfaces such as TCP/IP protocol stack, memory management, high-speed serial port, TTL interface, and is based on the Andes Core operating system. The product includes web pages and IOTService software, which can be easily configured, monitored, and debugged locally or remotely.
The Elfin-EW3XB serial server adopts a highly integrated hardware and software platform, which has been optimized for industrial applications, smart grids, personal health and medical applications. Only adding one Elfin-EW3XB product can meet the needs of device data monitoring and transmission.

Supports 802.11 a/b/g/n wireless standards and dual band operation at 2.4GHz and 5GHz
Supports TCP/UDP/Telnet/Modbus TCP protocols
Supports RS232/RS485 to Wi Fi data transmission, with a maximum serial port speed of 230400bps
Support STA/AP/AP+STA working mode
Support SmartLink V8 intelligent networking function (with APP provided)
Support webpage mode and PC IOTService software configuration
Support TLS/AES/DES3 secure encryption configuration for data
Support web OTA wireless upgrade
Support external antenna
Wide power supply Elfin-EW30B-0, Elfin-EW31B-0, Elfin-EW32B-0: 5~36VDC
Size: 68.5mm x 35mm x 17.8mm

Frequency Range	2.412GHz-2.484GHz(CH1,13) 5.17GHz-5.25GHz(CH36,40,44,48) U-NII-1 5.725GHz-5.835GHz(CH149,153,157,161,165) U-NII-3
Receiver Sensitivity	802.11b: -95 dBm (@1Mbps ,CCK) 802.11b: -85 dBm (@11Mbps ,CCK) 802.11g: -72 dBm (@54Mbps, OFDM) 802.11n: -70dBm (@HT20, MCS7) 802.11n: -67dBm (@HT40, MCS7) -90dBm (@6Mbps ,OFDM) -73dBm (@54Mbps ,OFDM) -70 dBm (HT20,MCS7) -67 dBm (HT40,MCS7)
Operating Temp.	-45~85℃
StorageTemp.	-40℃- 125℃
Size	68.5 x 35 x 17.8 mm (L x W x H)
Network Protocol	IP，TCP，UDP，DHCP，DNS，HTTP Server/Client，ARP， BOOTP， AutoIP， ICMP，Web socket， Telnet， uPNP， NTP， Modbus TCP
Standard	802.11 a/b/g/n
Network Mode	STA/AP/STA+AP
Transmit Power	802.11b: +15±1.5dBm(@11Mbps) 802.11g: +13±1.5dBm(@54Mbps) 802.11n: +13±1.5dBm(@HT20， MCS7) 15±1.5dBm (OFDM 6Mbps) 13±1.5dBm (OFDM 54Mbps) 12±1.5dBm (HT20 MCS7) 12±1.5dBm (HT40 MCS7)
Wi-Fi Security	WEP/WPAPSK/WPA2PSK
Port Number	EW30B：1 RS232 EW31B：1 RS485 EW32B：1 TTL
Data Bits	7,8
Stop Bit	1,2
Check Bit	None，Even，Odd
Baud Rate	TTL: 300 bps~230400bps
Flow Control	No Flow control Software Xon/ Xoffflow control
Configuration	Web CLI XML import Telnet IOTManagerPC Software
Input Voltage	Elfin-EW30B-0，Elfin-EW31B-0, Elfin-EW32B-0：5～36VDC
Working Current	Peak (continuous transmission): 345mA Average (STA, networked standby): 44mA Standby: 1.23mA (Reset pulled low)
Processor	MIPS
Basic Frequency	160MHz
Operating System	Andes Core
Resource-Flash	2MB
Flash/SDRAM	2MB/192KB
Security Protocol	TLS v1.2 AES 128Bit DES3

User Guide: IOT_Device_Series_Software_Funtion_20250328 [ Download Times: 56172, Date Update: 2025-11-06 15:45:30 ]
: PW31B_Wport-W50_EW3XB_MW3XB_Operation Guide(20231117) [ Download Times: 442, Date Update: 2023-12-08 15:33:22 ]
: Elfin-EW3XB_User ManualV1.0(20230415) [ Download Times: 317, Date Update: 2024-09-14 13:33:00 ]