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参数资料
| 型号： | DR7002-DK |
| 厂商： | RFM |
| 文件页数： | 38/43页 |
| 文件大小： | 0K |
| 描述： | 3G DEVELOPMENT KIT 418 MHZ |
| 标准包装： | 1 |
| 类型： | 收发器 |
| 频率： | 418MHz |
| 适用于相关产品： | DR7002 |
| 已供物品： | 板，天线，线缆，CD |
| 其它名称： | 583-1046 |
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Long-Range Wireless Industrial Telemetry
Proprietary FHSS Wireless Ethernet Bridges
SEM Wireless Spread Spectrum Ethernet Bridges
SEM: Spread Spectrum Wireless Ethernet Bridge
(900 MHz – 2.4 GHz)
RFM SEM-series wireless Ethernet bridges provide high-
speed wireless connectivity between distant Ethernet nodes
where cable runs are impractical. All SEMs feature the
company’s patented FHSS technology. Typical SEM uses
include Ethernet bridging, SCADA networking, PLC networking,
and other industrial automation or data collection applications.
SEMs can function as a high speed bridge between two
10/100BaseT Ethernet networks; they can also provide
wireless connectivity between an Ethernet base station and
multiple Ethernet remote modems. Highly complex networks
and extended coverage can be achieved by combining point-to-
point or point-to-multipoint configurations with RFM repeaters.
Product No.
SEM910
SEM910D DIN-rail Mount
SEM910X Remote Radio
SEM910DX
SEM2410
SEM2410D DIN-rail Mount
SEM2410DX
SEM2410X Remote Radio
SEM2411
SEM2411D DIN-rail Mount
SEM2411DX
SEM2411X Remote Radio
SEM2411LC Remote Bridge
Frequency
900 MHz
900 MHz
900 MHz
900 MHz
2.4 GHz
2.4 GHz
2.4 GHz
2.4 GHz
2.4 GHz
2.4 GHz
2.4 GHz
2.4 GHz
2.4 GHz
Transmit Power
1 Watt
1 Watt
1 Watt
1 Watt
100 mW
100 mW
100 mW
100 mW
100 mW
100 mW
101 mW
100 mW
100 mW
Channels
54
54
54
54
75
75
75
75
43
43
43
43
43
Data Rate
172.8 Kbps
172.8 Kbps
172.8 Kbps
172.8 Kbps
460.8 Kbps
460.8 Kbps
460.8 Kbps
460.8 Kbps
1.23 Mbps
1.23 Mbps
1.23 Mbps
1.23 Mbps
1.23 Mbps
The RFM SEM Ethernet Bridges are Class I, Div. 2 certified
in both the 900 MHz and 2.4 GHz bands. SEM bridges include
a standard 10/100 Base-T Ethernet port, antenna, and power
connectors. Five LEDs indicate power status and data activity.
Class I Div 1 versions are available by special order.
The SEM “D” model Ethernet radio is a DIN rail mount version, and the SEM “X” models use a remote, weatherproof, wireless Ethernet radio housed
in a NEMA 4X / IP 66 enclosure.
900 MHz SEM Ethernet Bridges
RFM SEM wireless 900 MHz Ethernet bridge is a high speed/long range wireless networking product that provides 172.8 kbps over-the-air data rate
and over 20 miles demonstrated communications range with 3 dB omni-directional antenna. Uses for a SEM wireless 900 MHz Ethernet bridge include
SCADA networks, PLC networking, and other industrial automation or data collection applications.
2.4 GHz SEM Ethernet Bridges
The SEM2410 and SEM2411 link Ethernet nodes in an industrial communication hierarchy up to 5 miles apart (with gain antennas). The over-the-air
data rate for the SEM2410 is 460 Kbps and 1.23 Mbps for the SEM2411. RFM patented FHSS assures reliable performance even in high-multipath and
noisy RF environments.
Ethernet Radio Security
RFM SEM wireless Ethernet bridges provide multiple levels of security. First, their communications use RFM proprietary frequency hopping spread
spectrum (FHSS) protocol, which is understood only by other SEM Ethernet radio devices configured to use the same hopping pattern (out of 64
possibilities). To ensure that the SEM master communicates only with its intended SEM slaves, the SEM master can be configured to define the precise
number of slaves (up to 62) that can register on the network, and can also be configured to authenticate an ID and password from each SEM slave prior
to granting registration. Finally, SEM Ethernet radios include password protection for both console port and Telnet sessions, and can be configured to
allow the opening of Telnet sessions only from specified IP addresses.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DR7002-EV | 功能描述:射频开发工具 3G Transceiver Eval Module 418 MHz RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V |
| DR7003 | 功能描述:射频收发器 3G Transceiver Module 303.825 MHz RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray |
| DR7003-DK | 功能描述:射频开发工具 3G Development Kit 303.828 MHz RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V |
| DR7003-EV | 功能描述:射频开发工具 3G Transceiver Eval Module 303.825 MHz RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V |
| DR703PBKV | 制造商:Pass & Seymour/Legrand 功能描述:700W DECOR ROTARY W/PILOT LGT BK |
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