LMR1 Datasheet - Radiometrix

LMR1 - VHF Narrow Band FM Low Cost multi channel radio modules

* LMT1 Pin Name 1a Vcc 2a 0V 3a TXE 4a TXD 5a No pin Function 3.1 * 15V power supply (10mW) 4.1V * 15V power supply (100mW) Ground Transmit Enable (active low) DC coupled input for 3V CMOS logic. Rin=47kΩ Not present in LMT1 1b P0/PGM 2b P1 3b P2 4b P3 5b No pin Parallel .

NEW Radiometrix Hartcran House, 231 Kenton Lane, Harrow, HA3 8RP, England Issue 1, 06 March 2008 Tel: +44 (0) 20 8909 9595, Fax: +44 (0) 20 8909 2233 LMT1/LMR1 VHF Narrow Band FM Low Cost multi channel radio modules The LMT1 transmitter and LMR1 receiver modules offer a multi channel, low power, and reliable VHF data link. This makes the LMT1/LMR1 pair ideally suited to those low power applications where existing wideband modules have insufficient range, or where low cost multi-channel oper.

LMR1 Features

* Figure 1: LMT1 transmitter and LMR1 receiver

* 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)

* Data rates

LMR1-Radiometrix.pdf