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Radiometrix Ltd
TXL2/RXL2 Data Sheet
page 6
Condensed specifications
Frequency
433.925MHz – CHAN0 (default channel)
433.285MHz – CHAN1
433.605MHz – CHAN2
434.245MHz – CHAN3
434.565MHz – CHAN4
Frequency stability
±10kHz
Channel width
320kHz
Number of channels
1 of 5, user programmed
Supply Voltage
5V
Current
TXL2:
25mA transmit, 8mA idle (EN active / high, no activity on TXD)
RXL2:
22mA receive/idle
Operating temperature
-20 °C to +70 °C (Storage -30 °C to +70 °C)
Spurious radiations
Compliant with ETSI EN 300 220-3 and EN 301 489-3
Interfaces
0.1" pitch SIL pins
Size
TXL2: 43 x 19 x 7 mm
RXL2: 47 x 17 x 7 mm
TXL2 Transmitter
Output power
10dBm (10mW) ±1dB
TX on switching time
<4ms
Modulation type
16kbps bi-phase FSK
FM peak deviation
+/-25KHz
Adjacent channel TX power
<-37dBm
TX spurious
<-45dBm
RXL2 Receiver
Sensitivity
-107dBm for 1% BER
image
-50dB
spurious / adjacent channel
-65dB
Blocking
-84dB nominal, 75dB worst case
LO re-radiation
<-60dBm
Interface
Data rate
9600baud, Simplex
Format
1 start, 8 data, 1 stop, no parity
Levels
5V CMOS (inverted RS232. Mark = 5V = idle)
Buffers
32 byte FIFO
Flow control
None
Addressing
1 of 8, user programmed
Data latency
14ms (first byte into TX, to first byte out of RX)
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