Condensed specifications (Apps board with USX2 radio fitted)
Frequency
Frequency stability
433MHz or 458MHz (depending on the version)
2.5kHz
25kHz
1 of 128, user programmed
Channel spacing
Number of channels
Supply
voltage
Current
6 - 15V
140mA transmit (100mW)
32mA receive / idle(plus up to 20mA into RS232 port)
Operating temperature
Size
-20 to +70 οC (Storage -30 to +70 οC)
80 x 56 x 18mm (excluding connectors)
(case is an EAS80, from Evatron)
Compliant with EN 300-220
Spurious radiations
Interface
User
Power
RF
9 pin D type
2.1mm connector
SMA
Indicators Transmitting (red LED)
Intended approval
ETSI EN300-220
(AUS/NZ version available)
Transmitter
Output power
100mW (+20dBm) +/- 1dB
(user programmable in 1dB steps to -10dBm)
458MHz band
433MHz (EU)
allows full 100mW
permits 10mW
433MHz (Aus/NZ) permits 25mW
<50 ms (from TXE transition)
FSK (F3D)
+/- 3kHz
-37dBm
TX on switching time
Modulation type
Deviation
Adjacent channel TX power
TX spurii
Inputs
-45dBm
data (CMOS/TTL compatible)
Receiver
Sensitivity
-113dBm
-60dB
-85dB
for 0.1% data error
image / spurious
blocking
spurii, adjacent
LO re-rad
-60 dB
<-60dBm
Modem
Baud rate
Format
Radio channel data rate
Coding
4800 baud (transparent, half duplex)
1 start, 8 data, 1 stop, no parity
5.1 kbit/sec peak (maximum transmitted frequency: 3.2KHz)
variable period phase coded
Packet length
Addressing
Buffers
1-16 bytes
1 of 254, user programmed. Multiple rx addresses
128 byte tx, 64 byte rx
CTS, DCD and DTR
Flow control
Radiometrix Ltd, M48A Apps board Manual
page 3
RADIOMETRIX [ RADIOMETRIX LTD ]
