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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: HOMTECS
  • Model Number: H21 Series
  • color: black green
  • Products Status: Stock
  • Type: External wifi Router with openwrt function
  • Function: Offline Protection
  • LAN Ports: 2
  • WAN Ports: 1
  • Certification: CE ROHS
  • band: LTE/HSPA/WCDMA
  • Protocol: TCP/IP UDP, HTTP, FTP
  • Housing: metal

Packaging & Delivery

Packaging Details standard package
Delivery Time samples 3working days, MP 20 working days

H21series Industrial M2M 4G wifi Router with OpenWRT function


H21series Industrial 4G Router with gps and i/o  is a kind of internet of things wirelesscommunication router, uses LTE,  HSPA+ mobile broadband network type, to provide convenient and high speed network transmission function.





This series of products use high performance industrial 32 bitcommunication processor, use embedded real-time operation system as software support platform, to provide security, high-speed, stable 3G wireless router network for clients. It’s a wireless router with 2Ethernet RJ45 ports and communication serial port.



It can be used in finance, postal, smart power grids, smarttransportation, environment monitor, fire protection monitor,security, water conservancy, public safety, advertising release,industrial control, earth quake monitor, meteorological watch,instrument monitor etc.



Eye catching:


Industrial grade design

Use high performance industrial wireless module


Use high performance industrial 32bit processor


Support low power consumption mode, including sleep mode, timed on/off line mode and timed on/off mode


Use plate metal CRS shell with good heat dissipation


Use soft/hardware watchdog and multi-level link detection, with capability of fault automatic diagnosis, automatic recovery, ensure equipment working in stable and security way


Multiple equipment self-checkingmechanism, ensure smooth link and alarm


ESD protection for each port, prevent staticshock

Network characteristic

Port flow detection


Link real-time monitoring


Multiple VPN protocol (PPTP,L2TP,IPSec,VPN…)


Support serial port DTU function


Support dialing as required (voice, SMS or data trigger)


Support UPnP

Remote management

Remote parameters configuration


Remote parameters backup


Remote restart and log query


Remote equipment upgrading


Equipment online monitoring


















Basic informatin 

ApplicationFinance, Security, Monitor, Control
ModuleIndustrial Wireless Module
FunctionOffline Protection
SupportSMS, Voice, Data trigger
Transmission RateHSUPA: 21MB/S, HSDPA: 7.2MB/S, UMTS: 384kb/S
Transmit Power

23dBm+/-1dB @25

Consumption Data mode <300mA/12V;Idle modem <45mA/12V
Interface Type RS-232, I/O
Operating temperature-30°C~75°C
Extend temperature -40°C~85°C
Operating Humidity  95% ( Unfreezing)
Voltage rageDC5~26V (type 12V)
HousingIron, providing IP30 protection
Dimensions 102X100X42mm
























Wireless Specification

1. UMTS/WCDMA/HSDPA/HSUPA 850/900/1900/2100MHz


2. Quad-band EGSM 850/900/1800/1900MHz




4. HSUPA: 5.76Mbps(UL) / HSDPA: 7.2Mbps(DL)/UMTS: 384kbps(DL/UL)


5. EDGE: 236.8kbps(DL/UL)


6. GPRS: 85.6Mbps(DL), 42.8Kbps(UL)



Hardware Interface 

1. LAN: 1 Ethernet interface(RJ45), self-adaption MDI/MDIX, built-in electromagnetic isolation protection


2. WAN/LAN: 1 WAN/LAN port multiplex, suitable for wired dialing or used as LAN port hung on two terminals


3. Console: Equipment monitoring port, standard RJ45 interface, support hardware flow control RS232 communication mode


4. Indicator: Six indicator lights, 3 “Signal strength LED”, “Power”, “WLAN”, “Error”. 3 signal strength indicator lights (1: poor. 2: general. 3: good.)


5. Antenna Interface: 1 Main antenna interface (3G/4G),characteristic impedance 50Ω;1 Aux/GPS antenna interface, used as 3G/4G AUX antenna or GPS function active antenna;1 WiFi 802.11n antenna interface


6. SIM/UIM Interface: SIM/UIM engineering card cover, protect the card from falling. 1.8V/3V automatic detection, support dual SIM card.


7. Power Interface: +7.5V~30V (standard DC 12V/1.5A),built-inpower instantaneous overvoltage protection and opposite connection protection


8. Reset:  Press this button, the parameters will return to factory setting




1. Support 1 X LAN and 1 x WAN (2 x LAN)

2. Support serial port DTU (data transmission terminal) function

3. Support hardware WDT,  provide anti-log off mechanism, ensure data terminal online forever

4. Support multiple VPN protocol (PPTP, L2TP or GRE etc.)

5. Support multiple functions (DHCP, DDNS, firewall, NAT, DMZ host etc.)

6. Support wired and wireless network mutual backup

7. Support multiple network protocol (ICMPTCPUDPTelnetSSHFTPHTTPHTTPS etc.)

8. Support industrial SIM/UIM card design

9. Support WAN port, wired and wireless mutual backup (optional)

10. Support dual LAN port function (optional)

11. Support 802.11n (optional)

12. Support extend GPS orientation function (optional)


13. Support OpenWRT optional




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Supplier's Trade Assurance Limit: US $39,000
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