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CL4790 Hardware Integration Guide
Version 3.0
Detailed Specifications
Table 1: CL4790-1000 Specifications
INTERFACE
Serial Interface Connector
RF Connector
Serial Interface Data Rate
Power Consumption
Channels
Supported Network
Topologies
Security
Interface Buffer Size
OPERATIONAL
Frequency Band
RF Data Rate
Host Data Throughput
RF Technology
EEPROM write cycles
Hop Period
Output Power
Supply Voltage
Receiver Sensitivity
Range, Line of Sight
(based on 3dBi gain
antenna)
POWER SETTINGS (Input Voltage: 12 v DC)
Transmit – Full Duty Cycle
Receive – Transceiver in
Idle
ENVIRONMENTAL
Temperature (Operational)
Temperature (Storage)
Humidity (Non-
Condensing)
Americas: +1-800-492-2320 Option 2
Europe: +44-1628-858-940
Hong Kong: +852-2923-0610
www.lairdtech.com/ramp
DB-9 Male (RS232), Terminal Block (RS485)
RPSMA Jack
Baud rates from 1200 bps to 115.2 Kbps
400 mA @ 12 VDC
US/Canada: 32 channels
Australia: 8 channels
Point-to-Point, Point-to-Multipoint
One byte System ID. 56-bit DES encryption key.
Input/Output: 256 bytes each
902 – 928 MHz (US/Canada)
915 – 928 MHz (US/Canada, Australia)
76.8 Kbps fixed
20.5 Kbps maximum
Frequency Hopping Spread Spectrum (FHSS)
20000
50 ms
Conducted (no antenna)
CL4790-1000
743 mW typical
CL4790-1000: 7-18VDC; 400 mA
-100dBm typical @ 76.8 kbps RF Data Rate
Max. 1500 feet (450 m) indoors; Max. 20 miles (32 km) line-of-sight
Max Power Setting
Low
Quarter
Half
Full
Max Power Setting
Low
Quarter
Half
Full
-40° C to +80° C
-50° C to +85° C
10% to 90%
6
EIRP (3dBi gain antenna)
1486 mW typical
Current (mA)
dBm
157
10
225
23
280
26
365
28
Current (mA)
50
50
50
50
mW
10
200
400
743
CONN-HIG_CL4790
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