• Product Code: HF2221
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Overview of Characteristic

²  MIPS MCU with 4MB Flash and 8MB SRAM. Run on eCos

²  Support TCP/IP/Telnet /Modbus TCP Protocol

²  Support 2 channel RS232/RS422/RS485 to Ethernet/Wi-Fi Conversion, Serial Speed Upto 230400 bps

²  Support STA/AP/AP+STA Mode

²  Support Router or Bridge Network Working Mode.

²  Support 10/100M Ethernet Auto-Negotiation

²  Support Easy Configuration Through a Web Interface or PC IOTService Tool

²  Support Security Protocol Such As TLS/AES/DES3

²  Support  Web OTA Wirelss Upgrade 

²  Wide DC Input 5~36VDC

²  Size: 108 x 146 x 25 mm (L x W x H)

2 Serial Port HF2221 Achieve RS232/RS485/RS422 to WIFI/Ethernet two-way transparent transmission

WIFI Serial Server

Processor MIPS
Basic Frequency 320MHz
Flash 4MB
Operating System eCos
Interface Standard 2 RJ45
Rate 10/100 Base-T Auto-Negotiation
Protection 8KV Isolation
Network Protocol IP,TCP,UDP,DHCP,DNS,HTTP Server/Client,ARP,BOOTP,AutoIP, ICMP,Web socket,Telnet,FTP,TFTP,uPNP,NTP,SNMP,Modbus TCP
Security Protocol TLS v1.2 AES 128Bit DES3
Standard 802.11 b/g/n
Network Mode STA/AP/STA+AP
Access Terminal Quantity in AP Mode 最多32个终端
Transmit Power 802.11b: +20dBm(Max.) 802.11g: +18dBm(Max.) 802.11n: +15dBm(Max.)
Receive Sensitivity 802.11b: -89dBm 802.11g: -81dBm 802.11n: -71dBm
Antenna Interface External:3dBi antenna
Port Number 2(RS232/RS485/RS422)
Interface Standard RS232: DB9 RS485/RS422: 5.08mm connector
Data Bits 8
Stop Bit 1,2
Check Bit None,Even,Odd
Baud Rate TTL: 300 bps~230400bps
Flow Control No Flow control Hardware RTS/CTS、DSR/DTR Software Xon/ Xoff flow control
Buffer 4K
Configuration Web,CLI,XML import,Telnet,IOTManagerPC Software
Virtual Serial Windows, XP/Vista, 7, Server 2003/2008
Size 108mmx 146mm x 25mm
Operating Temp. -45 ~ 85°C
Storage Temp. -45 ~ 105°C,5 ~ 95% RH(No Condensation)
Input Voltage 5~36VDC
Working Current ~200mA
Power <700mW
Warranty 1 years
Accessory 1* Power Adapter 1* Serial Cable 1* Ethernet Cable 1* WiFi Antenna
User Guide
HF2221_User Manual_V1.2(20190215) [ Download Times: 2592,  Date Update: 2019-02-21 18:05:37 ]
IOT_Device_Series_Software_Funtion_20200623 [ Download Times: 45456,  Date Update: 2020-06-23 18:28:00 ]
PW2X_HF2211_HF2221_HF9610_Operation Guide_20200623 [ Download Times: 10281,  Date Update: 2020-06-23 18:29:16 ]