Radiometrix Ltd

CPX2 Data Sheet

page 5

Condensed specifications

Frequency

433.92MHz

Frequency stability

±10kHz

Channel width

250kHz

Number of channels

1

Supply Voltage

3.3V DC

Current

23mA transmit

13mA receive/

<2mA standby

Operating temperature

-20

Spurious radiations

Compliant with ETSI EN 300 220-2 and EN 301 489-3

Interfaces

User

5pin 0.1" pitch molex (pin 6 absent)

RF

2pin 0.1" pitch molex

Size

40 x 14 x 5mm

Transmitter

Output power

2mW ±1dB

TX on switching time

<4ms

Modulation type

2.7kbps NRZ FSK

FM peak deviation

+/-30kHz (nominal)

TX spurious

<-36dBm

Receiver

Sensitivity

-105dBm (for 0.1% data error)

Blocking

-50dB (±1MHz)

Local Oscillator re-radiation

<-57dBm

Interface

Data rate

57,600baud, Half duplex

Format

1 Start bit, 8 Data bits, No parity, 1 Stop bit

Levels

3V CMOS (inverted RS232 ‘0’=0V, ‘1’=3V)

Buffers

32 byte FIFO

Flow control

None

Initial start up

10ms from power on