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RFU-433 (433 MHz RS-232/RS-485 Wireless Modem) User Manual, Version 1.00
1.2 Specification
RF Interface
Radio Frequency
Channels
Baud Rate
Transmission Power
Antenna
Transmission Distance (LoS)
Group ID
Protocols
Repeater
Temporary Buffer Size
COM Port Interface
RS-232
RS-485
Baud Rate (bps)
Data Format
LED Indicators
RF_Tx
RF_Rx
PWR
Isolation
Intra-module Isolation
EMS Protection
ESD
EFT
Surge
Power
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433.1 MHz ~ 434.6 MHz
0 ~ 15 (default is 4, configured by utility)
650 ~ 57600 bps
Default 10 dBm, Max 19 dBm
0 dBi Omni directional, RPSMA
1000 m (at 9600 bps RF Data Rate )
0 ~ 7
Transparent transmit
Support repeater mode
512 Bytes
TxD, RxD and GND
D+, D- ; 3000 VDC for DC-to-DC
1200 ~ 115200 bps
N,8,1 / O,8,1 / E,8,1
Green (RF Transmit)
Yellow (RF Receive)
Red (Power)
2500 Vrms for photocoupler (COM Port)
+/- 4 kV Contact
+/- 1 kV
+/- 1 kV
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