Product Description:TX1K is a four-way remote control switch ASK/OOK transmitter module. The module adopts EV 1527 coding,High-performance RF integrated chip, with small size, high efficiency, wide power supply voltage range, high stability, high performanceprice ratio and other characteristics. The module has LED emission indicators, and you can also connect external LED lights by yourself. Code IC internal code totalThere are 20 bits for pre-burning 1048576 groups of internal code combinations, reducing the probability of using the code repetition, up toIt can be combined to 15 buttons, suitable for various remote control systems.

Performance:Operating frequency: 315MHz/433.92MHzWorking voltage: 3.3~12VEmission current: typical 7mA(3.3V), 10mA(5V), 17mA(9V), 25mA(12V)Standby current: <0.1uA (K0-K3 keep low level)Modulation method: ASK/OOKOutput power: typical +11dBm(3.3V), +16dBm(5V), +20dBm(9V), +22dBm(12V)Frequency deviation: ±150KHzAntenna Impedance: 50QKey input: connect to VCC to transmitDimensions: 16×19mm×3mm[width×length×thickness (including components)]Operating temperature: -40 to +85°CProduct size: as shown

Main feature:Wide operating voltage rangeLong distance, sight distance 280 meters (12V)Low power consumption, quiescent current <0.1uAFour key inputs, which can be combined up to 15 keysStable and reliable, wide operating temperature rangeWith small volume (16mm*19mm*3mm)LED emission indicatorSupport pin header welding, slot welding installation methodThere is no device on the back of the module, which can be installed close to the circuit board