300Mbps Wireless N Router with Gigabit
Take advantage of the fastest wireless networking for your home or small home office. The ESR-9850 300Mbps Wireless N Router with Gigabit was designed with range and speed in mind. With expanded bandwidth, multiple users can wirelessly go online, make large file transfers, print to networked printers, and stream multimedia – at the same time. For larger homes or offices, the ESR-9850 Router is a perfect choice to connect everyone together and to the Internet. It also comes with support for the latest industry standard wireless data encryption to protect your data and networking activity – all with a push of a button. Easy to use and setup with the included Installation Wizard and advanced push-button setup, you will be up and running on the Internet in minutes.


  • Wireless 802.11n Technology
    • The most advanced wireless networking technology for the best range and speed
  • Gigabit Ethernet Switch
    • Eliminates bottlenecks between wired and wireless devices and provides super-fast connectivity between wired devices
  • SmartNAT
    • Ensures high performance when using P2P applications
  • Multiple SSID
    • Allows media streaming to be segmented from regular data networkin
    • Create a separate SSID for Guest Access (coming soon)
  • Range Expander Feature
    • Extends the range of Wi-Fi networks
  • Security & Management
    • Secure Push-Button Setu
    • Policy Based Parental Control for safe browsin
    • Power saving management (Green Technology
    • Auto Firmware Recover
    • WEP/WPA/WPA2
    • Powerful SPI Firewal
    • Wireless MAC Address Filtering
  • Removeable and Upgradeable Antennas

*Maximum data rates are based on IEEE 802.11 standards. Actual throughput and range can vary depending on many factors including network conditions, environmental factors, distance between devices, radio interference in the operating environment, and mix of devices in the network.

See the great recongnition from SmallNetBuild Product Review

RF Specification

Frequency Band 2.400~2.484 GHz
Modulation Technology OFDM: BPSK, QPSK, 16-QAM, 64-QAM
Operating Channels 11 for North America, 13 for Europe, and 14 for Japan
Wireless Setting

Wireless Mode- 11b/11g/11n

Channel Selection (Setting varies by Country)

Channel Bandwidth (Auto, 20MHz, 40MHz)

Transmission Rate

-11g: Best: 54, 48, 36, 24, 18, 12, 11, 9, 6, 5.5, 2, 1 in Mbps

Receive Sensitivity (Typical)
MCS0/8 @ -91dBm
MCS7/15@ -74dBm
IEEE802.11g (2RX)
6Mbps@ -92dBm
54Mbps@ -75dBm
IEEE802.11b (1RX)
1Mbps@ -93dBm
11Mbps@ -91dBm
Available Transmit Power
MCS 0~15@ typical 16 dBm
6~54 Mbps@ typical 16 dBm
1, 11Mbps@ typical 17 dBm
Antenna*2 Peak Gain = 2 dBi

Software Features


Topology Infrastructure

Operation Mode AP/ Router/ WDS AP/Repeater

LAN DHCP Server • Static IP • DNS • UPNP


Static IP

DHCP Client



Clone MAC address

DNS Relay

DDNS-8 Verified Services Support



Static Routing- RIPv2

Dynamic Routing

Virtual server mapping

IP address mapping

Port Forwarding

Port Triggering

MAC address Filtering

ALG (Application Layer Gateway) support



Block ICMP Ping

SPI (Stateful Packet Inspection)

Rule Based (IP Address Ranges, Port Ranges & Schedule)

DMZ (Demilitarized Zone) Host Support

Policy Based Parental Controls

Time Based Internet Access

Port Range / Service Filtering

Internet Domain Restriction

Dynamic URL Filtering (OEM subscription service)


VPN pass-through (PPTP, L2TP, IPSEC)


64/128 bit WEP Encryption

WPA Personal (WPA-PSK using TKIP or AES)

WPA Enterprise (WPA-EAP using TKIP)

802.1x Authenticator

Hide SSID in beacons

Wi-Fi Protection Setup (WPS)

Auto Channel Selection



Intelligent Stream Handling/Wireless Intelligent Stream Handling

- Automatic Traffic Classification & Prioritization

- Dynamic Traffic Shaping & Packet Fragmentation

- Automatic Configuration


Configuration Web-based configuration (HTTP)

Firmware Upgrade firmware via web-browser

Administrator Setting Administrator password change

Idle time out

Reset Setting Reboot

Reset to Factory Default

System monitoring Status and Statistics, Time Zone & NTP Client,

- Event Log, Email Alarm

Environment & Physical

Temperature Range

Operating: 0°C to 45°C (32°F to 113°F)

Storage: -10°C to 70°C (14°F to 158°F)

Humidity (non-condensing) 15% – 95% typical