433MHz SV611 Industrial Wireless Serial Port Data Transmission Module 100mW Si4432 TTL 232 485


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SV611 is a low-power high-integrated wireless data transmission module, which uses a high-performance Silicon Lab Si4432 RF chip. Extremely low reception sensitivity, coupled with the industry's leading 100 mW output power, ensures wider range and improved link performance. The module provides multi-band, multi-channel and network ID to reduce the interference in the transmission process and improve the transmission performance. Users can set parameters of serial port and RF through PC software or online modification. Small volume, long distance transmission, wide range of operating voltage and even rich and convenient programming settings make it widely used.


1400 m transmission distance
Working band selection: 433MHz
GFSK Modulation Mode
Multiple Interfaces of TTL/RS232/RS485
Sensitivity up to – 121dBm
Maximum output power: 100mW
Automatic Antenna Matching and Bidirectional Switching Control
Various Settings of Serial Communication Parameters
40 Channels Optional
4-byte configurable network ID
Double-byte configurable node ID
Operating Voltage: 2.8-6.0 V
Working Temperature Range: -40 ~+85 °C 
Weight: 9g

Wireless 232/485 data communication
Wireless remote telemetry
Remote meter reading
security system
Industrial data collection
Home automation telemetry
Building community automation and security

Parameter Min. Typical Max. Unit Condition
Operating Condition
Operating voltage range 2.8 5 6 V TTL level
4.5 5 5.5 V 232/485 level
Operating  temperature range -40 25 85  
Current Consumption
Receiving current   25   mA TTL level
  34   mA 485 level
  32.7   mA 232 level
Emission current   95   mA @20dBm
Body sleep current   <5   uA @TTL level
Radio Frequency Parameter
Frequency Range
(different specifications)
414.92 433.92 453.92 MHZ @433MHZ (this item)
470.92 470.92 509.92 MHZ @470MHZ
849.92 868.92 888.92 MHZ @868MHZ
895.92 914.92 934.92 MHZ @915MHZ
Modulation rate 1.2 9.6 38.4 Kbps GFSK
Transmit power range -1 / 20 dBm Software configurable
Receiving sensitivity   -121   dBm @1.2kbps
Package included:

1 x SV611 Wireless Module

Additional information

Weight 0.01 kg


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