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研华BB-WLNNA-EK-DP551 是一款Wi-Fi双频嵌入式模块，快速以太网接口，采用802.11a/b/g/n Wi-Fi（2.4 GHz、5 GHz），支持快速漫游，提高了连接可靠性
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Specifications
| System | |
| CPU | ARM9 600MHz |
| Memory | DDR2 128MB |
| Flash | 32MB |
| OS | Linux |
| Ethernet Communications | |
| Port Type | RJ45 |
| No. of Ports | 1 |
| Speed | 10/100 Mbps |
| Wireless LAN Communications | |
| Compatibility | IEEE 802.11 a/b/g/n |
| Speed | Up to 300 Mbps |
| Network Mode | Infrastructure (Client) |
| Antenna Connector | 2 x I-PEX MHF 4 Connectors |
| Network Protocol | TCP/IP, ARP, ICMP, DHCP, UDAP, UDP, PING, Telnet |
|
Security Protocols |
Disabled, WEP 64&128bit, WPA (TKIP/AES), WPA2 (AES), 802.1x (EAP)
Supplicant 802.11I, WPA&WPA2 Enterprise supplicants (EAP-TLS, EAP-TTLS (MSCHAPv2), EAPTTLS (MDS5), EAP-PEAPv0 (MSCHAPv2, LEAP), Supports certificates and Private Key Upload and Storage (Multiple) |
|
Frequency |
2412MHz~2483.5MHz (US/Canada/Europe) 5150~5725MHz (US/Canada/Europe) 5745~5825 MHz (US/Canada) |
|
Data Rates |
WLAN
802.11b: 1, 2, 5.5, 11Mbps 802.11a/g: 6, 9, 12, 18, 24, 36, 48, 54Mbps 802.11n: up to 150Mbps-single 802.11n: up to 300Mbps-2x2 MIMO |
|
Output Power |
WLAN 2.4GHz
11b: 17dBm +- 1.5dB 11g: 16dBm +- 1.5dB 11n BW20: 16dBm +- 1.5dB 11n BW40: 14dBm +- 1.5dB WLAN 5GHz 11a: 13dBm +-2dB 11n BW20: 13dBm +-2dB 11n BW40: 12dBm +-2dB |
|
Receive Sensitivity |
WLAN 2.4GHz 11b 11M: -88dBm
11g 54M: -75dBm 11n MCS7 BW20: -72dBm 11n MCS7 BW40: -69dBm WLAN 5GHz 11a 54M: -72dBm 11n MCS7 BW20: -69dBm 11n MCS7 BW40: -68dBm |
| Digital I/O | 8GPIO |
| LED indicators | 4 indicator (RF ACT, POST, CONNECT, RF LINK)
signal strength |
| Serial Communications | |
| Port Type | RS-232/422/485, software selectable |
| No. of Ports | 2 (Max) |
| Port Connector | 36-pin high density SMT Connector (Hirose DF12-36) |
| Data Bits | 7, 8 |
| Stop Bits | 1, 2 |
| Parity | None, Odd, Even |
| Baud Rate | up to 921.6 kbps |
|
Serial Signals |
RS-232: TxD, RxD, CTS, RTS, GND
RS-485: Data+, Data- RS-422: TxD+, TxD-, RxD+, RxD-, GND |
| Mechanics | |
| Mounting | Mounting Hole |
| Dimensions (W x H x D) | 29.6 x 14.2 x 40.6 mm |
| Power Requirements | |
| Power Input | 3.3 VDC |
| Power Connector | 36-pin high density SMT connector (Hirose DF12-36) |
| Environment | |
| Operating Temperature | -30 ~ 85°C (-22 ~ 185°F) |
| Storage Temperature | -40 ~ 85°C (-40 ~ 185°F) |
| Operating Humidity | 10 ~ 95% RH |
| Regulatory Approvals | |
|
Certificate |
CE/RED
FCC ID: M82-BB-WLNNA IC: 6100A-CM276NF |
Ordering Information
| Part Number | Description |
| BB-WLNNA-ER-DP551 | 802.11a/b/g/n, 10/100 Ethernet Router (NAT Level 3), Advanced Enterprise Security |
| BB-WLNNA-AN-DP551 | 802.11a/b/g/n, UART Interface, Advanced Enterprise Security |
|
BB-WLNNA-SE-DP551 |
802.11a/b/g/n, Serial Device Server, UART with RS-232/422/485 Driver Control, Advanced Enterprise Security |
Accessories (optional)
| Part Number | Description |
| BB-ACH2-DBAT-DP002 | 2dBi Portable (rubber duck), 2.4/5GHz Antenna |
| BB-ACH2-DBAT-DP003 | 3.8/5.5dBi Portable (rubber duck), 2.4/5GHz Antenna |
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