ESR-1221 EXT 11G Mini Router supports home network with superior throughput and performance and unparalleled wireless range. It also comes with detachable SMA antenna which can be upgraded to higher gain to expand the signal coverage. ESR-1221 EXT comes with built-in 4-port full-duplex 10/100 Fast Switch to connect your wired-Ethernet devices together. The Router function ties it all together and allows user share high-speed cable or DSL Internet connection.

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ESR-1221 EXT

802.11g Wireless Router
Key Differentiators
Ideal For:
H I G H 2 0 0 M W W I R E L E S S P O W E R
H O M E
Most powerful long-range wireless router
Offers greater WiFi coverage than leading brands
H O M E O F F I C E
S M A L L O F F I C E
D E T A C H A B L E A N T E N N A D E S I G N
Upgradable antenna to increase wireless range and receive sensitivity
I N T E R N E T P H O N E
C A L L S ( V o I P )
U N I V E R S A L R E P E A T E R
S T R E A M I N G H D V I D E O
Extends WiFi coverage into dead spots
Minimizes trenching and cabling cost
O N L I N E G A M I N G
I N T E L L I G E N T Q U A L I T Y O F S E R V I C E ( Q O S )
T E C H N O L O G Y
Facilitates bandwidth priority for VoIP, video streaming, online gaming
A U T O - S E T U P E A S Y W I Z A R D
 

H A R D W A R E S P E C I F I C A T I O N
S O F T W A R E F E A T U R E S
MCU
RTL8186
Router and Gateway
Memory
8MB SDRAM
Topology
Infrastructure
Flash
2MB
Operation Mode
AP / Router / WDS / Universal Repeater
WAN: One 10/100 Gigabit Ethernet RJ-45
DHCP Server
LAN: Four 10/100 Gigabit Ethernet RJ-45
Physical Interface
Reset Button
LAN
Static Routing Table
UPNP
Power Jack
Spanning Tree
RP-SMA Detachable Antenna
Power/ Status
PPTP
WAN (Internet connection)
PPPoE
LED's Status
LAN1­ LAN4 (10/100Mbps)
WAN
Static IP
WLAN (Wireless Connection)
DHCP Client
Clone MAC
Power Supply: 200 to 240 VDC ± 10% (ETSI)
Power Requirements
100 to 120 VDC ± 10% (FCC)
NAT/ NAPT
Device: 12V/1A
Port Forwarding
Router
DDNS
WAN
1 ( Link-> blue on, traffic->blink)
Time Zone(NTP client)
LAN
4 ( Link-> blue on, traffic->blink)
Blocking Ping
WLAN
1 ( Link-> blue on, traffic->blink)
DoS(Blocking Ping, Port scan, Sync Flood)
MAC / IP Filtering
Power/Status
1 ( On-> red Test/reset default->blink)
DMZ (Demilitarized Zone) Host
Firewall
Policy Based Parental Controls
R F S P E C I F I C A T I O N
Port Filtering
Web Filtering
Frequency Band
2.400 ­2.484 GHz
MAC Filtering
IP Filtering
Modulation Technology
OFDM: BPSK, QPSK, 16-QAM, 64-QAM
DBPSK, DQPSK, CCK
VPN
VPN pass-through (PPTP & IPSEC)
Operation Channels
11 for North America
64/128 bit WEP Encryption
11g:
WPA Personal (WPA-PSK using TKIP or AES)
-85dBm @ 6Mbps
WPA Enterprise (WPA-EAP using TKIP)
Receive Sensitivity (Typical)
-68dBm @ 54Mbps
802.1x Authenticator
11b:
Wireless
Hide SSID / beacons
-90dBm @ 1Mbps
User Isolation
-84dBm @ 11Mbps
RF Power Control
QoS
Available Transmit Power
2.412~2.472G (IEEE 802.11g) Up to 17 dBm @6 ~ 54Mbps
Best channel selection
2.412~2.472G (IEEE 802.11b) Up to 23 dBm @1~11Mbps
Antenna *1
Detachable (RP-SMA), Peak Gain=2 dbi
Management
Configuration
Web-based configuration (HTTP)
F R O N T P A N E L ( L E D S T A T U S )
Firmware Upgrade
Via webpage upgrade
WAN
1 ( Link-> blue on, traffic->blink)
Auto recovery once firmware upgrade fail
LAN
4 ( Link-> blue on, traffic->blink)
Administrator Setting
Administrator password change
WLAN
1 ( Link-> blue on, traffic->blink)
Idle time out
Power/Status
1 ( On-> red Test/reset default->blink)
Reboot
Reset Setting
Reset to Factory Default
Backup Settings
Install wizard
Device act as AP/Router mode
Device act as Repeater mode
System Log
Log important System messages
E N V I R O N M E N T & P H Y S I C A L
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)
5% ­ 95% typical
Dimensions
L: 3.86" (98mm) W: 4.92" (125mm) H: 1.00" (25mm)
Weight
0.55 lb (250g)