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25 - 27 February 2020 // Nuremberg, Germany

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Exhibitors & Products embedded world 2019

L04

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The L04 is part of our suite of OEM modules including also G01 and L01. This one covers the same networks and features as the LoPy4 OEM module. ...and it works just like the LoPy4 but we’ve trimmed a few bits to make it super easy to integrate. Quadruple network module: WiFi, Bluetooth, LoRa and Sigfox.

Not included in L04

  • Voltage regulator
  • Reverse power supply protection
  • Antenna switch
  • SMD antenna
  • u.fl connectors
  • Reset switch
  • LED
  • Headers
  • A few passive components

You will be given full technical support to design-in / integrate the module onto your product PCB.

Everything else is the same and you can load the same applications on your L04 and on your LoPy4. Supplied in high volume assembly format (with SMT pads).

Also, there’s no packaging to unwrap and do away with. The module can be supplied and used straight from its hermetically sealed trays. The L04 is both CE, FCC, IC and RCM certified.

Contact us on sales@pycom.io for more details.

NOTE: The L04 includes 1-year of Sigfox connectivity.

NOTE: If you are purchasing the L04 and wish to connect via USB to your computer, you will also need to purchase the OEM Reference Board and either the Expansion Board 3.0Pysense or Pytrack.

L04 Features

  • Powerful CPU, BLE and state of the art WiFi radio
  • Can also double up as Nano LoRa gateway
  • MicroPython enabled
  • Fits on the Pycom OEM Reference Board
  • Ultra-low power usage: a fraction compared to other connected micro controllers

Processing

  •  Espressif ESP32 chipset
  • Dual processor 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)
  • CZ4  920-922MHz (ANZ, Latin America and S-E Asia)

Sigfox Specification

  • Class 0 device. Maximum Tx power:
  • 14dBm (Europe)
  • 20dBm (America)
  • 20dBm (Australia and New Zealand)
  • Node range: Up to 50km
  • Sigfox certified

LoRa Specification

  • Semtech LoRa transceiver SX1276
  • LoRaWAN stack
  • Class A and C devices

LoRa Operating Frequencies

  • 868 MHz (Europe) at 14dBm maximum
  • 915 MHz (North and South America, Australia and New Zealand) at 20dBm maximum
  • 433 MHz (Europe) at 10dBm maximum
  • 470 – 510 MHz (China) at 14dBm maximum

Range Specification

  • Node range: Up to 40km
  • Nano-gateway: Up to 22km
  • Nano-gateway capacity: Up to 100 nodes

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

Security & Certifications

  • SSL/TLS support
  • WPA Enterprise security
  • FCC 2AJMTL04XXX
  • CE 0700

Memory

  • RAM: 4MB
  • External flash: 8MB
  • Hardware floating point acceleration
  • Python multi-threading

Hash / encryption

  • SHA, MD5, DES, AES

WiFi

  • 802.1b/g/n 16mbps

Bluetooth

  • Low energy and classic

RTC

  • Running at 32KHz

Power

  • Input: 3.3V 5.5V
  • 3v3 output capable of sourcing up to 400mA
  • WiFi: 12mA in active mode, 5uA in standby
  • LoRa: 15mA in active mode, 1-uA in standby
  • Sigfox (Europe): 12mA in Rx mode, 42mA in Tx mode and 0.5uA in standby
  • Sigfox (Australia, New Zealand and South America): 12mA in Rx mode, 120 mA in Tx mode and 0.5uA in standby

Size

  • 55mm x 20mm x 3.5mm (Without Headers)

Weight

  • 7g
  • 31g (Packaged)
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