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LMR1-173-10 Datasheet(PDF) 7 Page - Radiometrix Ltd |
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LMR1-173-10 Datasheet(HTML) 7 Page - Radiometrix Ltd |
7 / 10 page Radiometrix Ltd LMT1/LMR1 Data Sheet page 7 Condensed specifications Frequency Any frequency in the 173MHz and 151MHz bands In UK band, only 173.250, 173.275, 173.300 and 173.325 MHz are used as standard Other custom variants from 130 - 180MHz on any 2MHz band Frequency stability ±1.5kHz Channel spacing 25kHz (12.5kHz by special order) Number of channels 16 channels controlled by parallel port or 32 via serial RS232 interface Operating temperature -20 ºC to +70 ºC (Storage -30 ºC to +70 ºC) Spurious radiations Compliant with ETSI EN 300 220-3 and EN 301 489-3 Transmitter Output power +10dBm (10mW) ±1dB nominal (factory adjustable 1 - 25mW) and +20dBm (100mW) ±1dB nominal (factory adjustable 25 - 100mW) Peak deviation ±3kHz (±1.5kHz @ 12.5kHz channel spacing) TX on switching time 30ms from TXE transition Modulation type FSK (F3D) TX modulation bandwidth DC – 5kHz (3V CMOS compatible) Adjacent channel TX power <-37dBm TX spurious <-40dBm (no RF output in Standby) Supply Voltage 3.1V – 15V (10 – 25mW) 4.1V – 15V (25 – 100mW); Current 34mA nominal transmit (@10mW) 90mA nominal transmit (@100mW) <8 µA standby (TXE high or floating) Inputs data (CMOS/TTL compatible) Size 33 x 23 x 9mm Interface User 10 (8) pin 0.1" pitch dual row (5+5) header RF 2pin 0.1” pitch Recommended PCB hole size 1.2mm Receiver Sensitivity -118dBm for 12dB SINAD S/N ratio 35dB (min), 40dB (typ) on AF output AF bandwidth (-3dB) 4kHz image <-60db Othr spurious <-70dbm Blocking Better than 84dB Adjacent channel <-60dB LO re-radiation -70dBm Supply Voltage 3.1V – 15V Current 20mA receive <1 µA standby (RXE low) Outputs RSSI, audio, data (quasi DC data recovery circuit) Size 46 x 23 x 9 mm Interface User 10 pin 0.1" pitch dual row (5+5) header RF 2pin 0.1” pitch Recommended PCB hole size 1.2mm |
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