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