modules. LMT2 Datasheet

LMT2 Datasheet PDF


Part

LMT2

Description

UHF Narrow Band FM Low Cost multi channel radio modules

Manufacture

Radiometrix

Page 11 Pages
Datasheet
Download LMT2 Datasheet


LMT2 Datasheet
NEW Radiometrix
Hartcran House, 231 Kenton Lane, Harrow, HA3 8RP, England
Issue 2, 01 November 2007 Tel: +44 (0) 20 8909 9595, Fax: +44 (0) 20 8909 2233
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
www.DatawShiteheto4uUt.com 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

LMT2 Datasheet
www.DataSheet4U.com
Radiometrix Ltd
LMT2/LMR2 Data Sheet
page 2


Features Datasheet pdf W E N Radiometrix Hartcran House, 231 K enton Lane, Harrow, HA3 8RP, England Te l: +44 (0) 20 8909 9595, Fax: +44 (0) 2 0 8909 2233 Issue 2, 01 November 2007 LMT2/LMR2 UHF Narrow Band FM Low Cost multi channel radio modules The LMT2 t ransmitter and LMR2 receiver modules of fer a multi channel, low power, and rel iable data link. This makes the LMT2/LM R2 pair ideally suited to those low pow er applications where existing wideband modules have insufficient range, or wh ere low cost multi-channel operation is needed www.DataSheet4U.com without com promising on RF specification or regula tory requirement. Figure 1: LMT2 transm itter and LMR2 receiver Features • • • • • • • • • Confo rms to EN 300 220-3 and EN 301 489-3 Hi gh performance double superhet. PLL syn thesizer with TCXO quasi-dc (peak sampl ing) data recovery circuit (for enhance d 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 Featu.
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