Service manual

CDA70 MODEM DESCRIPTION
8
2.3.6. Technical parameters
Frequency band 143 – 174 MHz (CDA70V version)
403 – 470 MHz (CDA70U version)
Adjustment of working frequency program
Adjustment of working frequency of
receiver and transmitter
separate for each part
Adjustment of channel spacing 12.5, 20 and 25 kHz – program
Output power 10 mW to 5W – program setting
Receiver sensitivity for 10 dB SINAD -100 dBm FFSK
-105 dBm GMSK
Reception / transmission switching time < 4 msec
Maximum transmission rate 21.7 kbit/sec for channel spacing of 20 and 25 kHz
10.8 kbit/sec for channel spacing of 12.5 kHz
Type of modulation FFSK, GMSK
Radio modem
complies with
standards:
Radio parameters
EMC
Power safety
ETSI EN 300 113-2 V1.1.1:2002
EN 301 489-5:2001, EN 55022:2001,
EN 61000-3-2:2001
EN 60 950:2001
Temperature range Operation
Storage
-20 °C to +55 °C
-40 °C to +85 °C
Supply voltage (car dashboard) +10.8 to +15.6V DC
Current Reception
Transmission 5 W
Stand by
190 mA
1500 mA
25 mA
Dimensions 43x104x98 mm (DIN35 attachment to board)
Weight 600g
Antenna connector BNC – 50 Ohm
User interface PORT1
PORT2
PORT3
ETHERNET
I/O
See. chapter 2.5.1
See. chapter 2.5.2
See. chapter 2.5.3
See. chapter 2.5.4
See. chapter 2.5.5