CL4490 Hardware Integration Guide
Version 1.0
Americas: +1-800-492-2320 Option 2
Europe: +44-1628-858-940
Hong Kong: +852-2923-0610
www.lairdtech.com/ramp
6
Laird Technologies
Features
Networking and Security
Retries and Acknowledgements
API Commands to control packet routing and
acknowledgement on a packet-by-packet basis
Frequency Hopping Spread Spectrum for security
and interference rejection
Customizable RF Channel number and System ID
Dynamic link analysis, remote radio discovery
Low latency and high throughput
Easy to Use
Continuous 76.8kbps RF data stream
Software selectable interface baud rates from
1200bps to 115.2kbps
Advanced configuration available using AT
commands
Detailed Specifications
Table 1: CL4490 Specifications
INTERFACE
Serial Interface Connector
CL4490: DB-9 Male (RS232), Terminal Block (RS485), Type B USB (USB)
CL4490-PRO: DB-9 Female
RF Connector
50 Ohm RPSMA Connector
Serial Interface Data Rate
Baud rates from 1200 bps to 115.2 Kbps
Power Consumption
400 mA @ 12 VDC
Channels
CL4490-200: 56 channels on 3 channel sets
CL4490-1000: 40 channels on 2 channel sets
Supported Network Topologies
Point-to-Point, Point-to-Multipoint
Security
One byte System ID. 56-bit DES encryption key
Interface Buffer Size
CL4490: Input/Output: 256 bytes each
CL4490-PRO: Input/Output: 1600 bytes each
OPERATIONAL
Frequency Band
902 – 928 MHz (US/Canada)
915 – 928 MHz (Australia, US/Canada)
RF Data Rate
76.8 Kbps fixed
Host Data Throughput
32 Kbps maximum
RF Technology
Frequency Hopping Spread Spectrum (FHSS)
EEPROM write cycles
20000
Hop period
20 ms
Output Power
Conducted (no antenna) EIRP (3dBi gain antenna)
CL4490-200
100 mW typical
200 mW typical
CL4490-1000/PRO 743 mW typical
1486 mW typical
Supply Voltage
CL4490-200:
USB Supplied 5V/500 mA
CL4490-1000: 7-18 VDC
400 mA
PRO:
7-28 VDC
400 mA
Receiver Sensitivity
-100dBm typical @ 76.8 Kbps RF Data Rate
Range, Line of Sight (based on
3dBi gain antenna)
CL4490-200: Up to 4 miles
CL4490-1000/PRO: Up to 20 miles
