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                4G+WIFI+GPS Serial Server Device

                4G+WIFI+GPS Serial Server Device

                The 4G serial server device HF2421&HF2421G provides protocol conversion among RS232/RS485/RS422 interface, Ethernet/Wi-Fi and 3G/4G,which can meet the solutions for serial/network transmission of industrial products. 

                Overview of Characteristic
                • MIPS MCU with 16MB Flash and 64MB SRAM. Run with Linux OpenWrt
                • Support 4G/3G/GPRS, FDD-LTE, TDD-LTE, WCDMA, TD-SCDMA, CDMA2000, CDMA 1X/EVDO, GSM900/1800
                • Support GPS/Beidou/GLONASS/Galileo/QZSS/SBAS location, 2.5 meters accuracy(Only HF2421G)
                • Support 3 channel DI, 2 channel Relay DO(Only HF2421G)
                • Two RS232/RS485/RS422 interface to 4G/3G/2G
                • Two Ethernet to 4G/3G/GPRS
                • Support 802.11bgn Wi-Fi to 4G/3G/GPRS
                • Support APN network
                • Support VPN(PPTP, L2TP, L2TP+IPSEC)
                • Support TCP/IP/Telnet/Modbus TCP Protocol, support TLS/AES/DES3 enrtyption
                • Support Router or Bridge Network Working Mode.
                • Support 10/100M Ethernet Auto-Negotiation
                • Support Easy Configuration Through a Web Interface or PC IOTService Tool locally or remotely
                • Support IOTBridge Management
                • Support Web OTA Wirelss Upgrade 
                • Support Wide DC Input 9~36VDC
                • Size: 178mm x 95mm x 26mm

                Sizing Table

                Name HF2421G  >>
                Image HF2421G
                Processor MIPS
                Basic Frequency 580MHz
                Flash 16MB
                SDRAM 64MB
                Operating System Linux OpenWrt
                Interface Standard 10/100 Base-T Auto-Negotiation
                Rate LTE: Maximum Support non-CA CAT4 Support 1.4~20MHz RF Bandwidth Downstream Support Multiple Users MIMO FDD: Maximum Upstream Rate 50Mbpsm Maximum Downstream Rate 150Mbps TDD: Maximum Upstream Rate 35Mbpsm Maximum Downstream Rate 130Mbps WCDMA: 3GPP R8 DC-HSPA+ 16-QAM,64-QAM and QPSK Modulation Maximum Upstream 5.76Mbps Maximum Downstream 42Mbps TD-SCDMA: CCSA Relese 3 Maximum Upstream 2.2Mbps Maximum Downstream 4.2Mbps CMDA: CDMA 1X Andvanced Maximum Upstream 1.8Mbps Maximum Downstream 3.1Mbps GSM/GPRS/EDGE: R99: CSD Transmission Rate:9.6Kbps/14.4Kbps GPRS: Support GPRS multi-slot class 12 Code Method:CS-1/CS-2/CS-3/CS-4 EDGE: Support EDGE multi-slot class 12 Support up/downstream Code Method: CS1-4,MCS1-9
                Protection Anti-reverse Power Static: 8KV Contact Discharge, 15KV Air Discharge Surge: Difference-mode 4KV, Common-mode 6KV
                Network Protocol IP,TCP,UDP,DHCP,DNS,HTTP Server/Client,ARP, BOOTP, AutoIP, ICMP,Web socket, Telnet,uPNP, NTP,Modbus TCP
                Security Protocol TLS v1.2 AES 128Bit DES3
                Standard 802.11 b/g/n
                Network Mode AP
                Transmit Power WIFI: 802.11b: +20dBm(Max.) 802.11g: +18dBm(Max.) 802.11n: +15dBm(Max.) 3G/4G: Class 4(33dBm±2dB) for GSM900 Class 1(30dBm±2dB) for DCS1800 Class E2(27dBm±3dB) for GSM900 8-PSK Class E2(26dBm±3dB) for DCS1800 8-PSK Class 3(24dBm+3/-1dB) for CDMA BC0 Class 3(24dBm+1/-3dB) for WCDMA Class 2(24dBm+1/-3dB) for TD-SCDMA Class 3(23dBm±2dB) for LTE FDD Class 3(23dBm±2dB) for LTE FDD
                Receive Sensitivity 802.11b: -89dBm 802.11g: -81dBm 802.11n: -71dBm
                Port Number 2 RJ45 1 WAN/LAN switchable 1 LAN
                Data Bits 7,8
                Stop Bit 1,2
                Check Bit None,Even,Odd
                Baud Rate TTL:300 bps~230400 bps
                Flow Control No Flow control Hardware RTS/CTS、DSR/DTR(RS232) Software Xon/ Xoff flow control
                Configuration Http Web Configuration Customization of HTTP Web Pages
                Size 178mm x 95mm x 26mm
                Input Voltage 9~36VDC
                Working Current ~300mA@9V 2A Peak Current
                Frequency 2.412GHz-2.484GHz
                Work Temp. -25 ~ 85°C
                Storage Temp. -45 ~ 105°C, 5 ~ 95% RH(no condensation)