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RD-485
Instruction Manual P.6
Electric Characteristic
Item
Specification
Remark
Voltage Range
AC
：
9~30V ; DC
：
8V~28V
Frequency Range
868~928MHz
Output Power
10mW
Antenna
1/4λ wire antenna
Gain of 2.14 dBi or less
Antenna Power
Within 8 (+20%~-50%)
Contact (50 Ω)
Modulation System
Binary FSK
Oscillation System
PLL synthesizer system
Radio Communication
Speed
1200~250K bps
Number of Channels
4800
Channel span 12.5KHz
Receiver Sensitivity
-112dBm(1200bps)
Packet error rate 1%
(253 bytes/1 packet)
Working Temperature
-10°C ~+70°C
Storage Temperature
-30°C ~+95°C
Consumption Current
31mA I/O Port Open
5mA I/O Port Close
Sleep Mode
(Operating Voltage 15V)
Consumption Current
51mA I/O Port Open
25mA I/O Port Close
Standby Mode
(Operating Voltage 15V)
Consumption Current
55mA
RF Operating Mode
(Operating Voltage 15V)
Weight
140g
Interface
RS232/RS485
UART Interface Specification
Item
Specification
Communication
Method
Serial communication (RS232 C format)
Synchronization
Start-stop (asynchronous)
Data Speed
1,2K/ 2,4K/ 4,8K/ 9,6K/ 19,2K/ 38,4K/ 56K/115.2Kbps
Other Parameters
Data length 8 bits, no parity, stop bits 1 or 2
WENSHING
Confidential
Do
Not
Distribution
