Hongdian H8921 4G Dual SIM Industrial Router front view
Hongdian industrial IoT router with front panel ports and LED indicators, black casing
Hongdian industrial IoT router with WAN, LAN ports, power input, and antenna connectors

H8921 4G LTE Cat 4 Industrial IoT VPN Router, Dual SIM, 5×Ethernet, RS232/RS485, Wi-Fi, GPS, CE

Vendor: Hongdian
SKU: H8921-L4EU-CS-W
Availability: In Stock
$159.00 USD
$159.00 USD
Region: EMEA/APAC/SA
Extra Interface: None
Module: 1 Module
Subtotal: $159.00

Built And Shipped Within 5 - 10 Bussiness Days.

Most orders are delivered within 5-7 business days.
Hongdian H8921 4G Dual SIM Industrial Router front view

H8921 4G LTE Cat 4 Industrial IoT VPN Router, Dual SIM, 5×Ethernet, RS232/RS485, Wi-Fi, GPS, CE

$159.00

H8921 4G LTE Cat 4 Industrial IoT VPN Router, Dual SIM, 5×Ethernet, RS232/RS485, Wi-Fi, GPS, CE

$159.00
Region: EMEA/APAC/SA
Extra Interface: None
Module: 1 Module

Overview

The H8921 4G Dual SIM Industrial Router from Hongdian is engineered for demanding IoT environments where connectivity must be uninterrupted and secure. Dual SIM redundancy, multiple VPN tunnels, and auto-failover between cellular, wired, and WiFi paths ensure your operations stay connected. Ideal for smart retail, ATMs, POS systems, unattended cabinets, and remote monitoring applications.

H8921 4G Dual SIM VPN Router Overview

 

Key Features

Continuity and Reliability Network Connection

With Dual SIM failover and link backup, H8921 provides a reliable network connection for users. It can also provide high-quality network services by dual-SIM failover, VRRP, multi-layer auto-detection and recovery of links failures.

H8921 4G Dual SIM VPN Router with Dual SIM failover and link backup

 

Data security, multiple VPN

H8921 fully supports mainstream VPN protocols,including PPTP, L2TP, IPSec, OpenVPN, and GRE. Multiple high-encryption methods make data safe transmission up to financial-level standards.

H8921 4G Dual SIM VPN Router fully supports mainstream VPN protocols

 

Rich hardware interface, suitable for multiple scenarios

4×LAN + 1×WAN Ethernet, RS-232 and RS-485 serial ports, optional GNSS.

H8921 4G Dual SIM VPN Router front view with rich hardware interface

 

VLAN division, independent subnet

Improve network switching efficiency and ensure network stability. Improve network security and avoid broadcast storms. The network is more flexible, the data is safer, and the operation is more efficient.

H8921 4G Dual SIM VPN Router VLAN division

 

Fully Industrial Design

Metal shell, IP30 protection. EMC level 3. Wide operating temperature: -30℃~70℃.

H8921 4G Dual SIM VPN Router is fully industrial designed

 

Wall-mounting mounting

Wall-mount installation supported, ensuring flexible integration in diverse environments.

H8921 4G Dual SIM VPN Router supports wall-mount installation

 

Remote management, remote access

Managed by Hongdian Cloud Server with SD-WAN networking, remote access anytime anywhere.

H8921 4G Dual SIM VPN Router can be managed by Sandora Platform

 

Applications

H8921 4G Dual SIM VPN Router applications

 

Specifications

Hardware
CPU MIPS 24Kc @580 MHz
RAM 128MB
FLASH 16MB
Cellular Interface
Modem 1 or 2 x LTE CAT4
Number of antennas 2
Connector SMA-K
SIM 2 x Mini SIM (2FF)
Ethernet Interface
Number of ports 5 x 10/100 Mbps, Ethernet
Configuration 5 x LAN or 4 x LAN + 1 x WAN
Wireless interface
Standards 802.11b/g/n, AP or station mode
Frequency bands 2.4 GHz
Speed 150Mbps
Security WEP, WPA, WPA2
Encryption 64/128 AES, TKIP
Antennas 1
Connector RPSMA-K
GNSS interface
Number of antennas 1 (only for GPS version)
Connector SMA-K with 50 ohms impedance
Seiral interface
Type 1 x RS-232 + 1 x RS-485 serial port
Socket form 1 x 6-pin 3.5 mm female socket
Signal definition RX,TX,GND (RS-232)
A+,B-,GND (RS-485)
Baudrate RS-232 (300-115200bps)
RS-485 (300-115200bps)
Software
Auto fail-over Between:
2 Cellulars
Cellular and WAN
Cellular and Wi-Fi (station mode)
WAN and Wi-Fi (station mode)
Network protocols PPP, PPPoE, TCP, UDP, IPv4, IPv6, SSL, DHCP, ICMP, NAT, HTTP, HTTPs, DNS, ARP, NTP, Telnet, SSH, DDNS, etc.
Network APN, VPDN, VLAN, QoS
Routing Static Routing, Policy routing, RIP, OSPF, etc.
Firewall NAT, PAT, DMZ, Port Forword IP/Domain/MAC Filter, Access Control List
VPN PPTP/L2TP/GRE/IPSec/OpenVPN/DMVPN/WireGuard
Ipsec Encryption DES, 3DES, AES128, AES192, AES256
OpenVPN Encryption

BF-CBC, DES-CBC, RC2-CBC, DES-EDE-CBC, DES-EDE3-CBC, DESX-CBC, RC2-40-CBC, CAST5-CBC, RC2-64-CBC, AES-128-CBC,AES-192-CBC, AES-256-CBC, SEED-CBC

Remote Management HTTP, Telnet, SSH, SMS, SNMP V1/V2/V3, SNMP TRAP, Hongdian Sandora Cloud Platform, SDLAN
Serial ports function Transparent, etc.
Power Supply and Consumption
Power Connector DC socket
Voltage input +5V~+36V DC
Power consumption Idle: 200mA@12V DC
Data transceiving:550mA@12V DC
Others
Reset button Yes
LED indicators 10 x  indicators for PWR, SYS, WAN, LAN1~LAN4, RF, NET, WLAN
Hardware watchdog Yes
Physical Characteristics
Ingress protection IP30
Housing & Weight Metal, 540g
Dimension 176×105×25(mm)
Installations Desktop, wall mounting
Operating temperature -30 ~ +70℃
Storage temperature -40 ~ +85 °C
Relative humidity 0~95%(no condensation)
EMC
ESD EN61000-4-2, level3
RS EN 61000-4-3, level3
EFT EN 61000-4-4, level3
CS EN 61000-4-6, level3
Certifications CE, FCC*

 

 

Product Detail

H8921 4G Dual SIM VPN Router Interface Diagram

 

What's in The Box

H8921 4G Dual SIM VPN Router packing list

Ordering Info

Part No. Mobile Band Region SIM
Slots
Ethernet ports Wifi standard Wifi
MIMO
GPS RS-232 RS-485
H8921-L4EU-CS-W LTE Cat4 LTE FDD:B1/3/5/7/8/20/28
LTE TDD:B38/40/41
WCDMA:B1/5/8
GPRS/EDGE:B3/8
EMEA(Europe, the Middle East, Africa)/APAC(Non-CN/JP)/SA(South America) 2 5 n 1×1 × 1 1
H8921-L4EA-CS-rWG LTE Cat4 LTE-FDD:B1/3/5/7/8/20
LTE-TDD:B38/40/41
WCDMA:B1/5/8
GSM/EDGE:B3/8
EMEA(Europe, the Middle East, Africa)/Korea/Thailand/India 2 5 n 1×1 yes 1 1
H8921-L4EA-CS-rW LTE Cat4 LTE-FDD:B1/3/5/7/8/20
LTE-TDD:B38/40/41
WCDMA:B1/5/8
GSM/EDGE:B3/8
EMEA(Europe, the Middle East, Africa)/Korea/Thailand/India 2 5 n 1×1 × 1 1
H8921-2L4EA-CS-rW LTE Cat4 LTE-FDD:B1/3/5/7/8/20
LTE-TDD:B38/40/41
WCDMA:B1/5/8
GSM/EDGE:B3/8
EMEA(Europe, the Middle East, Africa)/Korea/Thailand/India 2 5 n 1×1 × 1 1
H8921-L4NA-CS-rWG LTE Cat4 LTE-FDD:B2/4/5/12/13/14/66/71
WCDMA:B2/4/5
North America 2 5 n 1×1 yes 1 1
H8921-L4LN-CS-rWG LTE Cat4 LTE-FDD:B1/2/3/4/5/7/8/28
LTE-TDD:B40
WCDMA:B1/5/8
GPRS/EDGE:B3/8
LATAM(Latin America)/ANZ(Australia and New Zealand) 2 5 n 1×1 yes 1 1
H8921-L4NA-CS-rW LTE Cat4 LTE-FDD:B2/4/5/12/13/14/66/71
WCDMA:B2/4/5
North America 2 5 n 1×1 × 1 1
H8921-L4LN-CS-rW LTE Cat4 LTE-FDD:B1/2/3/4/5/7/8/28
LTE-TDD:B40
WCDMA:B1/5/8
GPRS/EDGE:B3/8
LATAM(Latin America)/ANZ(Australia and New Zealand) 2 5 n 1×1 × 1 1

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