Module Features

• Small form factor, SMT module 25mm x 19mm

• Same footprint and pin-out as ETRX357

• Side Castellations for easy soldering and optical inspection

• Two antenna options: Integrated chip antenna or U.FL coaxial connector

• Based on 32-bit ARM® Cortex-M3

• Operation at 6, 12 or 24MHz

• Industry standard JTAG Programming and real time packet tracing via the Ember Debug Port

• Up to 512kB of flash and 64kbytes of RAM

• Lowest Deep Sleep Current of 1μA with retained RAM and GPIO and multiple sleep modes

• Wide supply voltage range (2.1 to 3.6V)

• Optional 32.768kHz watch crystal can be added externally

• Can act as an End Device, Router or Coordinator

• 24 general-purpose I/O lines including analogue inputs (all GPIOs of the EM358x SoC are accessible)

• Firmware upgrades via serial port or over the air using the Ember standalone bootloader

• Hardware supported encryption (AES-128)

• CE and UKCA; FCC and IC compliance, FCC modular approval

• Operating temperature range: -40°C to +85°C

• Long range version with a link budget of up to 124dB available in the same form factor

Radio Features

• Based on the Silicon Labs EM358x family of single chip ZigBee® SoCs

• 2.4GHz ISM Band

• 250kbit/s over the air data rate

• 16 channels (IEEE802.15.4 Channel 11 to 26)

• +3dBm output power ( +8dBm in boost mode)

• High sensitivity of -100dBm (-102dBm in boost mode) typically @ 1 packet error rate

• RX Current: 27mA, TX Current: 32mA at 3dBm

• Robust Wi-Fi and Bluetooth coexistence