SiPy

• 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

• SHA, MD5, DES, AES

WiFi Networking

• 802.11b/g/n 16mbps

Bluetooth

• Low energy and classic

RTC

• Running at 32KHz

Range

• Node range: Up to 50km

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

• 7g
• 31g (Packaged)