It's an OOK Superhet Data Receiver Module. Very Low Cost version.
The main features are the following:
- RF Sensibility -113dBm.
- Supply Voltage from 2.0Volt to 5.5Volt
- Consumption 3mA
- Fast Startup Time 3ms
The difference between the two versions is that the RCRX2 version does not have the pin 1.
Technical Characteristics:
- Supply Voltage: Min 2.0V, Max 5.5V
- Current Consumption (3.3 Volt): Typ 3.0mA
- Current Consumption (5.0Volt): Typ 3.5mA
- Current Consumption Shut Down Mode: Typ 0.01µA
- Frequency: Typ 433.92MHz
- RF Sensitivity: Typ -112dBm
- Max Data Rate: Typ 10Kbit/s
- Power Up Time from Power to stable data: Max 4ms
- Power Up Time from EN to stable data: Max 3ms
- RF Bandwidth 3dB: Typ ±300KHz
- Operating Temperature Range: Min -20°C, Max 80°C
Pin Configuration:
- Pin 1: Not Used
- Pin 2: GND (Ground)
- Pin 3: IN (Antenna)
- Pin 7: GND (Ground)
- Pin 11: GND (Ground)
- Pin 12: VCC (Vcc)
- Pin 13: Not Used
- Pin 14: OUT (Data Out)
- Pin 15: EN (Enable)
- RF Sensibility: -113dBm
- Supply Voltage: 2.0V to 5.5V
- Current Consumption: 3mA (3.3V), 3.5mA (5V)
- Shut Down Mode Consumption: 0.01µA
- Frequency: 433.92MHz
- RF Sensitivity: -112dBm
- Max Data Rate: 10Kbit/s
- Power Up Time: 4ms (from Power), 3ms (from EN)
- RF Bandwidth 3dB: ±300KHz
- Operating Temperature Range: -20°C to 80°C