HF2421 4G DTU Serial Server IoT Communication Device RS485/232 to Ethernet without Accessories

HF2421 4G DTU Serial Server IoT Communication Device RS485/232 to Ethernet without Accessories

Features:
- MIPS MCU with 16MB Flash and 64MB SRAM. Suitable for Linux OpenWrt
- Support 4G/3G/GPRS, FDD-LTE, TDD-LTE, WCDMA, TD-SCDMA, CDMA2000, CDMA 1X/EVDO, GSM900/1800
- 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 encryption
- Support Router or Bridge Network Working Mode
- Support 10/100M Ethernet Automatic-Negotiation
- Support Easy Configuration Through a Web Interface or PC IOTService Tool locally or remotely
- Support IOTBridge Management
- Support Web OTA Wireless Upgrade
- Support Wide DC Input 9~36VDC
- Size: 178 x 95 x 26mm/7 x 3.7 x 1"

Package Included:
- 1 x Serial Server

Note:
- Antenna and other accessories are not included in the package.