KTWM102 RF Modules

Small on the outside, big on the inside

Complete Thread certified solution with world’s smallest PCB footprint. Surface-mount component, integrating a SoC which combines a powerful and ultra-efficient ARM® Cortex®-M0+ based 32-bit microcontroller and IEEE 802.15.4 compliant best-in-class 2.4GHz RF transceiver.
Part Number Description
KTWM102-11 Rev 1, 23-Lead (16.6 x 11.4 x 2.2mm) PCB with on-board chip antenna. Tape & Reel package.
KTWM102-21 Rev 1, 23-Lead (16.6 x 11.4 x 2.2mm) PCB with W.FL (IPEX MHF3) connector. Tape & Reel package.

Additional Information

KTWM102-11 KTWM102-21
Thread Device Capabilities Supported
Device types All types (Border Router included)
No. of Children 64
EUI-64/EUI-48 Factory-assigned
Manufacturer Microchip (Atmel)
Model ATSAMR21E19A
Processor 32-bit ARM® Cortex®-M0+
Clock frequency 48MHz
Flash 768KB (256KB + 512KB)
Frequency range 2.405GHz to 2.480GHz
Transmit power +4dBm
Receiver sensitivity -104dBm
Antenna Onboard chip W.FL connector @ 50 ohm
Host Interfaces
USB Native USB 2.1 supporting ACM (Serial), ECM (Ethernet) and DFU (Firmware Upgrade) specs.
UART 2-pin configuration @ 115.2K bauds
Embedded Firmware
KiNOS Thread Certified Stack (upgradeable through any supported Host interfaces)
Module Current Consumption (VCC = 3.3V, TA = 25 ºC, PTX = 0dBm, UART Host interface enabled)
Idle Mode TBD TBD
Transmit Mode TBD TBD
Receive Mode TBD TBD
Sleep Mode TBD TBD
FCC FCC part 15 modular certification ID: 2AG3IM102
IC Industry Canada RSS-247 modular certification IC: 23146-M102
CE Radio Equipment Directive (RED) 2014/53/EU
Thread Certified Component
KTWM102 Datasheet
Regulatory Compliance
KBI Reference Guide
KSH Reference Guide
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