Datasheet > LMT0-27-4-100mW

LMT0-27-4-100mW

更新时间： 2022-02-26 11:25:13

品牌	Logo	应用领域
RADIOMETRIX		/
页数	文件大小	规格书
10页	105K
描述
27MHz HF Narrow Band FM multi channel radio modules

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LMT0-27-4-100mW 数据手册

Hartcran House, 231 Kenton Lane, Harrow, Middlesex, HA3 8RP, England

Tel: +44 (0) 20 8909 9595, Fax: +44 (0) 20 8909 2233, www.radiometrix.com

Issue 4, 5 August 2014

LMT0/LMR0

27MHz HF Narrow Band FM multi channel radio modules

The LMT0 transmitter and LMR0 receiver

modules offer a 10kHz channel spacing

multi channel, low power, and reliable HF

data link. This makes the LMT0/LMR0 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: LMT0 transmitter and LMR0 receiver

Features

. Conforms to EN 300 220-2 and EN 301 489-3

. High performance double superhet. PLL synthesizer with TCXO

. 6 channels (standard). Up to 16 parallel select or 32 serial select channels

. quasi-dc (peak sampling) data recovery circuit (for enhanced performance on unbalanced

datastreams)

. Data rates up to 4 kbps for standard module

. Usable range over 1km

. Fully screened. Low profile

. Feature-rich interface (RSSI, analogue and digital baseband)

. Re-programmable via UART interface

. Low power requirements

Applications

. Radio Control (R/C) Radio Service under FCC Part 95 subpart C

. Radio model control

. Telemetry and telecommand

. Wireless door entry systems

. Simple On/Off switching

. In-building environmental monitoring and control

. Security and fire alarms

. Vehicle/machinery controls

Technical Summary

. Frequencies:

10mW 26.957-27.283MHz Non-specific Short Range Devices (SRD)

100mW 26.995, 27.045, 27.095, 27.145, 27.195, 27.255MHz Remote control

Any 0.5MHz wide sub-band in 26-28MHz

. Transmit power:

. Receiver sensitivity:

. Supply range:

.

+10dBm (10mW) @ 4.1V; +20dBm (100mW) version also available

-115dBm (for 12 dB SINAD)

4.1V – 15V Transmitter

3.1V – 15V Receiver

. Current consumption: 40mA @ 10mW Transmit; 100mA @ 100mW Transmit

20mA Receive

. Data bit rate:

4kbps max.

Evaluation platforms: NBEK + LM Series carrier

Radiometrix Ltd

LMT0/LMR0 Data Sheet

page 1

12 3 4 5 6 7...10

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