[Transmitter module]
Product Model: TX118SA-4
Transmitting power: 11dbm
Distance: 25 meters above
Emission current: 10MA
Rate of fire: maximum 10KB / S
Transmit deviation: +/- 7. 5KHZ / narrow-band emission
Modulation: ASK
Operating Voltage: DC 3V-24V
Encoding: Learning code EV1527
Each module has a unique ID address code.
All modules K1-K4 four key code is the same.
Pin Description:
- : Negative power supply
+: Positive power supply, DC 3-24V
K1: 1 short to Negative start transmitting data, Similar the A button on the remote control.
K2: 2 short to Negative start transmitting data, Similar the B button on the remote control.
K3: 3 short to Negative start transmitting data, Similar the C button on the remote control.
K4: 4 short to Negative start transmitting data, Similar the D button on the remote control.