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LMT2-433-10 PDF预览

LMT2-433-10

更新时间: 2024-11-18 03:51:43
品牌 Logo 应用领域
RADIOMETRIX 无线无线模块
页数 文件大小 规格书
11页 255K
描述
UHF Narrow Band FM Low Cost multi channel radio modules

LMT2-433-10 数据手册

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Radiometrix  
Hartcran House, 231 Kenton Lane, Harrow, HA3 8RP, England  
Tel: +44 (0) 20 8909 9595, Fax: +44 (0) 20 8909 2233  
Issue 2, 01 November 2007  
LMT2/LMR2  
UHF Narrow Band FM Low Cost multi channel radio modules  
The LMT2 transmitter and LMR2  
receiver modules offer a multi channel,  
low power, and reliable data link. This  
makes the LMT2/LMR2 pair ideally  
suited to those low power applications  
where existing wideband modules have  
insufficient range, or where low cost  
multi-channel operation is needed  
without  
compromising  
on  
RF  
specification or regulatory requirement.  
Figure 1: LMT2 transmitter and LMR2 receiver  
Features  
Conforms to EN 300 220-3 and EN 301 489-3  
High performance double superhet. PLL synthesizer with TCXO  
quasi-dc (peak sampling) data recovery circuit (for enhanced performance on unbalanced  
datastreams)  
SAW front-end filter  
Data rates up to 5 kbps for standard module  
Usable range over 1km  
Fully screened. Low profile  
Feature-rich interface (RSSI, analogue and digital baseband)  
Re-programmable via RS232 interface  
Low power requirements  
Applications  
Handheld terminals  
EPOS equipment, barcode scanners  
Data loggers  
Industrial telemetry and telecommand  
In-building environmental monitoring and control  
High-end security and fire alarms  
DGPS systems  
Vehicle data up/download  
Heavy vehicle/machinery controls  
Technical Summary  
Operating frequency: 433.875-434.650MHz (EU band)  
458.525 - 459.1MHz (UK band)  
Other custom UHF bands  
32 channels  
Transmit power: +10dBm (10mW) / +20dBm (100mW)  
Supply range: 3.1 – 15V (TX @ 10mW and RX), 4.1 – 15V (TX @ 100mW)  
Current consumption: 34mA @ 10mW, 90mA @ 100mW (transmit) and 20mA (receive)  
Data bit rate: 5kbps max. (standard module)  
Receiver sensitivity: -118dBm (for 12 dB SINAD)  
Serial configuration by inverted RS232 at 3V CMOS level  
Radiometrix Ltd  
LMT2/LMR2 Data Sheet  
page 1  

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