RF422: LBT + AFA compliance and performance
l
Complies with ETSI duty cycle requirements. Radio communications effective duty cycle =
(number of channels × 100) / 3600.
l
Channel spacing: 100 kHz
l
Receiver bandwidth: 150 kHz
l
Modulation bandwidth: < 300 kHz
l
LBT threshold: < –88 dBm
l
TX on time: < 1 s
Power
l
Powered over CS I/O or 2.5 mm DC power jack
l
Input voltage: 9 to 16 VDC
Maximum nodes in network
l
RF407, RF412, and RF427: 50
l
RF422: 20
Connections
l
USB:
o
USB Type-B jack
o
Can draw enough power for normal operation from standard USB host
l
RS-232:
o
9-pin, socket (female)
o
1200, 4800, 9600, 19200, 38400, 57600, and 115200 baud rates supported
l
CS I/O:
o
9-pin, pin (male)
o
Provides power connection from data logger for normal operation
o
Supports SDC (7, 8, 10, 11) and modem enable (ME) master communications modes
o
Does not support ME peripheral mode
Antenna connector
l
Reverse polarity SMA (RPSMA)
RF407-Series Spread Spectrum Radio
11
