This sender breakout board enables you to send data on the designated frequency. This is a 3.3V board. You cannot operate it with 5V.
This sender is often sold as a kit together with the receiver RX470-4 or WL101-341.
Technical Data
Item | Value |
---|---|
Voltage | 2.0-3.6V |
Frequency | 433MHz or 315MHz |
Output Power | >11dBm / >12.5mW |
Operating Current | <6mA |
Modulation Mode | AM (OOK) |
Transmission Rate | <20 Kbps |
Distance | 20-100m |
Size | 16x12x1mm |
Pins
The board comes with four pins labeled on the back side.
Pin | Description |
---|---|
- | negative voltage/GND |
+ | 2.0-4.6V |
DAT | data in |
EN | enable pin, not connected |
Antenna
The antenna needs to be soldered to the solder pad marked TUO.
Always operate senders with an antenna. If no designated antenna is at hand, use a plain 17.3cm wire for 433MHz, and a 23.8cm wire for 315MHz.
See Also
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(content created Apr 18, 2024)