Thread + Bluetooth 4.2 Low Energy

Status: Production

Rigado’s R41Z, based on NXP's KW41Z, is an ultra-low-power, highly-integrated single-chip device that enables Thread with IEEE 802.15.4 and Bluetooth Low Energy (BLE) RF connectivity for portable, extremely low power embedded systems. With an ARM® Cortex®-M0+ CPU, integrated 2.4GHz transceiver, and an integrated antenna, the R41Z provides a complete RF solution allowing faster time to market with reduced development costs.

Providing full use of the NXP’s KW41Z’s capabilities and peripherals, the R41Z Series can power the most demanding applications, all while simplifying designs and reducing BOM costs. The R41Z is an ideal solution for designs that require concurrent communication on both an 802.15.4 based network such as Thread and a Bluetooth Low Energy network. This multi-mode capability enables participating in a mesh network for local and remote control/monitoring and direct communication using Bluetooth Low Energy via a mobile device.

Buy from ArrowBuy from Digi-KeyBuy from FutureBuy from Mouser


Key Features

  • Complete Thread (802.15.4) and Bluetooth Low Energy v4.2 solution
  • Powerful & ultra-efficient 48MHz 32-bit ARM® Cortex™ M0+ CPU with 512kB Flash & 128kB SRAM
  • Thread-compliant
  • Bluetooth Component Qualification (Jan 2017)
  • Bluetooth qualified (pending), FCC, IC and Japan certified, CE and Australia/New Zealand compliant

Quick Specifications

  • Supply: 0.9V – 4.2V
  • TX Power: 0 dBm @ 6.5mA
  • Rx Sensitivity: -95 dBm @ 6.5mA
  • Pins: 25 GPIO, 2 dedicated analog
  • Interfaces: UART / SPI / I2C / PWM / TSI / PDM / ADC
  • Memory: 512kB Flash / 128kB RAM
  • Dimensions: 10.6 x 16.2 x 2.1 mm
  • Operating Temp: -40°C to +105°C

Order Eval Boards

The R41Z Eval Board is a great place to learn about the full features and functionality of the new R41Z module. The multi-mode capability of this module enables participating in a mesh network for local and remote control/monitoring.

If you would like to test a mesh network, we recommend purchasing two eval kits.

Buy an evaluation kit from one of our distributor partners:

ArrowDigi-Key FutureMouser


Operating Temperature -40°C to +105°C
Storage Temperature -55°C to +150°C
Physical Dimensions 10.6 x 16.2 x 1.9mm
Operating Supply 0.9V to 4.2V
Material RoHS compliant
MAC Address Unique MAC address provided (in flash & on label)
2.4 GHz Transceiver
Frequency (ISM) 2.400GHz to 2.4835GHz
Frequency (MBAN) 2.360GHz to 2.4000GHz
IEEE Standard 802.15.4 Modulation OQPSK @ 250kbps
Bluetooth Low Energy 4.2 Modulation GFSK @ 1 Mbps
IEEE Standard 802.15.4 Receiver sensitivity -100 dBm
Bluetooth Low Energy 4.2 Receiver sensitivity -95 dBm
Transmit power -30 dBm to +3.5 dBm
RSSI -95 dBm, 1 dB resolution
Antenna Integrated antenna
FCC FCC part 15 modular qualification – FCC FCC ID: 2AA9B07
IC Industry Canada RSS-210 modular qualification – IC: 12208A-07
CE EN 60950-1: 2011-01 3.1 (a) : Health and Safety of the User
EN 301 489-17 V2.2.1 3.1 (b) : Electromagnetic Compatibility
EN 300 328 V1.8.1 3.2 : Effective use of spectrum allocated
Thread Applying to be Thread Certified Component
Bluetooth RF-PHY Component (Tested) – DID: D035037
QDID: 95459
Japan Type Acceptance Number: 210-109448


Power Consumption
Radio – Rx 6.7mA @ 1Mbps (BLE mode)

Radio – Tx6.1mA @ 0dBm

Low Power Mode 180nA
CPU – running 100µA/MHz Normal Run, 4.8mA @ 48MHz

34.3µA/MHz Low Power Run, 137µA @ 4MHz

CPU – off/idle 3.6µA in Low Power Idle

182nA  in OFF mode, 1.8µA w/ RAM retained and LP Clock

LPUART 1 block. 1200 baud to 1M baud, parity, CTS & RTS support
SPI Master 2 blocks. 125kHz to 12Mhz clock rates, double-buffered transmit/receive
SPI Slave 2 blocks. 125kHz to 12Mhz clock rates, double-buffered transmit/receive
TWI (I2C) Master 2 blocks. 100kHz to 400kHz clock rates
TWI (I2C) Slave 2 blocks. 100kHz to 400kHz clock rates
TSI 16 external electrodes, internal reference oscillator for high-accuracy
ADC 16-bit @ 500ksps
PWM 3 blocks, 1x 4 channel and 2x 2 channel
DAC 12-bit @ 1µs high-speed, 2µs low-speed
CMP 8 selectable comparator inputs, 6-bit programmable reference generator input
GPIO Input High: 0.7 x VDD, Input Low: 0.3 x VDD, 20-50Ω pull-up/pull-down
Timers 16-bit low-power timer, 1x 4-channel TPM
PIT 32-bit resolution, 2 interrupt timers
CMT Time, baseband, FSK
VREF 0.5mV steps, 1.2V output at room temp
RTC 32-bit seconds counter with 32-bit alarm, 16-bit prescaler


Stay up-to-date with the Rigado Newsletter