DT03S is a small compacted ASK RF Transmitter Module. It can be easily used as a component and be soldered directly onto the PCB. When connecting VCC, GND, DATA with your mainboard along with a 17 cm wire antenna (433.92MHz), it can achieve its purpose of transmitting data.
Applications: 1. Keyless entry systems. 2. Remote control systems. 3. Alarm and security systems. 4. Low data rate wireless communication systems. Specification: 1. Modulation: ASK. 2. Resonance: SAW resonator. 3. Power supply (nominal): 2.5~12V DC. 4. Temperature range: -20 ~ +70°C. 5. Data rate (max.): 4K/S. 6. Dimension: 16.7 x 10.7 x 2.7 (mm).