SiPy Features
- Powerful CPU, BLE and state of the art WiFi radio
- 1KM WiFi range
- MicroPython enabled
- Fits in a standard breadboard (with headers)
- Ultra-low power usage: a fraction compared to other connected micro controllers
Processing
- Espressif ESP32 chipset
- Dual processor and WiFi radio system on chip
- Network processor handles the WiFi connectivity and the IPv6 stack
- Main processor is entirely free to run the user application
- An extra ULP-coprocessor that can monitor GPIOs, the ADC channels and
control most of the internal peripherals during deep-sleep mode while only
consuming 25uA
Sigfox Operating Frequencies
- RCZ1 – 868MHz (Europe)
- RCZ2 – 902MHz (US, Canada and Mexico)
- RCZ3 – (Japan and Korea)
- RCZ4 – 920-922MHz (ANZ, Latin America and S-E Asia)
Interfaces
- 2 x UART, 2 x SPI, I2C, I2S, micro SD card
- Analog channels: 8×12 bit ADCs
- Timers: 4×16 bit with PWM and input capture
- DMA on all peripherals
- GPIO: Up to 24
Hash / Encryption
WiFi Networking
Bluetooth
RTC
Range
Security & Certifications
- SSL/TLS support
- WPA Enterprise security
- AES encryption engine
Memory
- RAM: 512kb
- Flash Memory: 4MB
- GPIO: Up to 24
- Hardware floating point acceleration
- Python multi-threading
Sigfox Specification
- TI CC1125NarrowbandTransceiver
- Class 0 device. Maximum Tx power:
+14dBm (Europe)
+22dBm (America)
+22dBm (Australia and New Zealand)
- Node range: Up to 50km
- Sigfox pre-certified (October 2016)
Power
- Voltage Input: 3.3V – 5.5V
- 3v3 output apable of sourcing up to 400mA
- WiFi: 12mA in active mode, 5uA in standy
- Sigfox (Europe): 17mA in Rx mode, 47mA in Tx mode and 0.5uA in standby
- Sigfox (Australia, New Zealand and South America): 24mA in Rx mode, 257 mA in Tx mode and 0.5uA in standby
Size
- 55mm x 20mm x 3.5mm (Without Headers)
Weight