| Description | Removable Antenna RS232 RS485 industrial 4g router with watchdog |
| Item no. | HY820 |
| CPU | MTK7628N |
| 4g frequency | FDD:B1/3/5/7/8/28
TDD:B40
WCDMA:B1/5/8
GSM:850/900/1800/1900 |
| Working frequency | 2400-2483.5MHz |
| Wifi speed | 802.11n: up to 300Mbps
802.11b: 1, 2, 5, 5, 11Mbps
802.11g: 6, 9, 12, 18, 24, 36, 48, 54Mbps |
| Antenna | SMA external rotation internal hole |
| External interface | LAN port：2（LAN2 port adaptive to WAN/LAN）
RS232/RS485 port：1
SIM slot：1
Antenna port：2
LED：2
DC port：2(DC2.1 and 2PIN 3.81 terminal power supply）
Reset key：1 |
| Transmit power | 11n HT40 MCS7 : +13.5dBm
11b CCK: +18 dBm
11g OFDM: +13.5dBm |
| Receive sensitivity | -66dBm at 150Mpbs
-73dBm at 54Mpbs
-86dBm at 11Mpbs |
| Power | 5-40V 3A |
| Unit size | 73*80*26mm |
| Power consumption | Lower than400mA |
| Operating Environment | Operating Temperature: -20°C to +75°C;
Storage termperature：-40°C to +80°C
Storage Humidity：5%~ 95% |
| Internet access | DHCP/Static IP/PPPoE |
| Max. users | 30 |
| Operating system | Windows XP/VISTA Linux 2.6 Windows 7
MAC OS : 10.3.7 or above |
| Browser | IE:6.0, Safari:1.2.4, Firefox: 2.0.0.8 or above |
| Wireless 2.4G | General settings: Wireless WIFI setting interface
Guest network: You can set up guest WIFI and manage guest online behavior
Wireless bridging: can bridge to other WIFI
Wireless access control: Internet access control for MAC |
| Internal Lan | Intranet settings: You can change the gateway address of the router
DHCP server: SY20 supports up to 253 LAN IP address allocations, and fixed IP addresses can also be set manually |
| Outside wan | External network settings: Supports multiple networking types: IPOE (dynamic), IPOE (static), PPPOE, PPTP, L2TP
IPv6 settings
Port forwarding: Access information can be directed to a fixed port to achieve remote access to the lower computer.
Demilitarized zone (DMZ): When the open port of the virtual server that needs to be set is uncertain, it can be set as a DMZ host
Dynamic domain name resolution (DDNS): allows you to access the internal network through domain names on the Internet even without a static IP address |
| Firewall | General settings: Enable the firewall to protect the internal network from hackers
URL filtering: You can manage online behavior and prohibit access to certain URLs
MAC access control: Able to control network access behavior of specific network card address (MAC)
Network service filtering: used to filter specific network services |
| USB application | 3G/4G Modem: 3G/4G settings, you can set the specified APN or VPDN, or you can manually select the network |
| WLAN saftey mode | Open System
WPA-PSK
WPA2-PSK
WPAPSK
WPA2PSK
WPA1WPA2 |
| Watchdog | support |
| Serial port transparent transmission | support |
