Transceiver Module S2LP Based 433MHz RC-S2LP-434
RC-S2LP-434 module is based on an STMicroelectronics S2-LP transceiver. This device is a high-performance ultra-low power RF transceiver designed for RF wireless applications in the sub 1GHz band. The module is designed for maximum performance in a minimal space, with four programmable I/O pins. Programmable from external microcontroller via SPI interface. Please refer to the S2-LP datasheet (www.st.com) for more information and details.
Sub-1Ghz technology is becoming one of the chief driving forces behind the Internet of Things (IoT); in particular, this type of module is ideal for these applications basically for the following reasons:
- Ultra-low power consumption: the consumption of this device is 7mA when receiving and 20mA when transmitting at +14dBm (11mA at +10dBm). In sleep mode, The consumption is 0.7µA.
- For long-range operations, the sensitivity parameter is -109dBm at data rates of 38.4 kbps and down to -128dBm when the data rate is 0.3kbps. Interference from other wireless communications can be overcome with 90dB of blocking. The RF output power levels can reach up to +16dBm. All this ensures robust signaling for long-range communications.
- Ready for use SMD mounting (15x 22mm)
- Metal shield.
Technical Characteristics | MIN | TYP | MAX | UNIT |
Supply Voltage | 1.8 | 3.0 | 3.60 | Volt |
Supply Current RX mode | 7.2 | mA | ||
Supply Current TX mode —–> +10dBm | 11 | mA | ||
Supply Current TX mode —–> +14dBm | 20 | mA | ||
Supply Current Standby Mode | 0,5 | µA | ||
Supply Current Shut Down Mode | 2.5 | nA | ||
Operative Frequency | 434 | MHz | ||
RF Power Output 50ohm (programmable parameter) | -30 | +16 | dBm | |
RF Sensitivity 38.4kbps 2GFSK | -109 | dBm | ||
RF Sensitivity 0.3kbps 2GFSK | -128 | dBm | ||
Operating Temperature range | -30 | +75 | °C |
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