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)