Condensed specifications
Frequency
433MHz EU band, and 458MHz UK band
As supplied: EU version: 433.875 - 434.65MHz (25kHz steps)
UK version 458.525 - 459.1MHz (25kHz steps)
Other custom UHF bands
Frequency stability
±1.5kHz
Channel spacing
25kHz
Number of channels
16 channels controlled by parallel port
or 32 via RS232 interface
Operating temperature
Spurious radiations
-10 ºC to +60 ºC (Storage -30 ºC to +70 ºC)
Compliant with ETSI EN 300 220-3 and EN 301 489-3
Transmitter
Output power
+10dBm (10mW) ±1dB (factory adjustable 1 - 25mW)
+20dBm (100mW) ±1dB (factory adjustable 25 - 100mW)
±3kHz
Peak deviation
TX on switching time
Modulation type
TX modulation bandwidth
Adjacent channel TX power
TX spurious
30ms from TXE transition
FSK (F3D)
DC – 5kHz (3V CMOS compatible)
<-37dBm
<-45dBm (no RF output in Standby)
Supply
Voltage
3.1V – 15V (1-25mW)
4.1 – 15V (25 – 100mW)
34mA @ 10mW (nominal)
65mA @ 50mW (nominal)
90mA @ 100mW (nominal)
<5µA standby (TXE high or floating)
data (CMOS/TTL compatible)
33 x 23 x 9mm
Current
Inputs
Size
Interface
User
RF
10 (8) pin 0.1" pitch dual row (5+5) header
2pin 0.1” pitch
Recommended PCB hole size
1.2mm
Receiver
Sensitivity
S/N ratio
-118dBm for 12dB SINAD
35dB (min), 40dB (typ) on AF output
AF bandwidth (-3dB)
4kHz
image
<-60db
Othr spurious
Blocking
Adjacent channel
LO re-radiation
Supply
<-70dbm
Better than 84dB
<-60dB
-70dBm
Voltage
3.1V – 15V
Current
20mA receive
<1µA standby (RXE low)
RSSI, audio, data (quasi DC data recovery circuit)
46 x 23 x 9 mm
Outputs
Size
Interface
User
10 pin 0.1" pitch dual row (5+5) header
RF
2pin 0.1” pitch
1.2mm
Recommended PCB hole size
Radiometrix Ltd
LMT2/LMR2 Data Sheet
page 8
RADIOMETRIX [ RADIOMETRIX LTD ]
