Hiện nay giải pháp mạng cho Dream Box ko chỉ GPRS (PPlink)
mà còn có thêm 3G cho dream
Hình chi tiết , chưa biết giá :
PPlink GPRS :






3G Wifi :


Thông tin : Specifications

* Mfr Part Number: ENHWI-3GN3
* Standard:
o IEEE 802.11b Wireless LAN
o IEEE 802.11g Wireless LAN
o IEEE 802.11n Draft 2.0 Wireless LAN
o IEEE 802.3/IEEE 802.3u Fast Ethernet
o ANSI/IEEE 802.3 Auto negotiation
* Interface:
o LAN: 2x 10/100Mbps Auto-MDIX Ethernet ports
o WAN: 1x 10/100Mbps Auto-MDIX Ethernet port
o 3G Broadband: 1x USB 2.0 Port
* Modulation Technology:
o OFDM: BPSK, QPSK, 16-QAM, 64-QAM
o BPSK, DQPSK, CCK
o 3G / 3.5G: WCDMA (HSDPA), CDMA2000 & TD-SCDMA
* Transmission Rate: 1, 2, 5.5, 6, 9, 11, 12, 15, 18, 22, 24, 30, 36, 48, 802.11g Best = 54; 60, 90, 120, 157.5 Mbps (auto sense)
* Receive Sensitivity:
o IEEE802.11n - MCS0@ -91dBm, MCS7@ -74dBm
o IEEE802.11g - 6Mbps@ -90dBm,54Mbps@ -70dBm
o IEEE802.11b - 1Mbps@ -90dBm, 11Mbps@ -87dBm
* Available Transmit Power:
o IEEE802.11n - MCS7@ 15dBm
o IEEE802.11g - 6~54 Mbps@ 15dMb
o IEEE802.11b - 1, 11Mbps@ 16dBm
* Wireless LAN Frequency Range: 2.400 ~ 2.484 GHz ISM band (channels 1 ~ 13)
* Wireless Features:
o Power Saving Mode (Green Technology)
o 802.1x Authenticator
o Hide SSID Beacons
o WPS (Wi-Fi Protected Setup)
o WDS (Wireless Distribution Scheme)
o ACL Control
o Best Channel Selection
o Up to 4 SSID for GUESTS networking setup, supported with Policy Settings for LAN unauthorized access protection
* Media Access Protocol: CSMA/CA with ACK
* Transmit Power: One 2dBi dipole antennas with R-SMA connector
* QoS:
o WMM (WiFi Multimedia)
o Application Base: Priority Queue; Bandwidth Monitor
* Supported Network Protocols:
o TCP/IP
o NAT
o PPPoE/PPTP/L2TP/3G
o HTTP
o DHCP Server/Client
* Network Management: Web based configuration utility via Ethernet
* Channel: USA: Channel 1 ~ 11; Europe: Channel 1 ~ 13
* Firewall:
o DoS (Blocks "Ping of Death", Port Scan, Sync Flood)
o MAC and IP Filtering
o ICMP Blocking
o SPI (Stateful Packet Inspection)
o DMZ (Demilitarized Zone)
o Policy Based Parental Control: Port Range; Internet Domain Restriction; Dynamic URL Filtering, Keyword Filtering
* Security:
o 64/128-bits WEP Encryption
o WPA, WPA2
o WPA-PSK, WPA2-PSK
o MAC address filtering
o Protocol filtering
o Domain filtering
* Range Coverage: Indoor: Up to 100 meters (depends on environment); Outdoor: Up to 300 meters (depends on environment)
* Diagnostic LED:
o Power
o WAN: WAN Port or 3G Port Broadband in use
o LAN1 and LAN2: Wired Local Area Network connection
o WLAN: Wireless Local Area Network Connection
o 3G: 3G Connection (WAN LED will light up when connected to 3G wireless) Internet: Internet Connection
* Power Adapter: Full Range Power Adapter Input 100-240 VAC ~ Output 12 VDC /1.25 A; Use only the supplied power adapter
* Certifications: FCC, CE, RoHS
* Dimensions (W x L x H): 97 x 138 x 25 mm