GEM Bluetooth/ ANT+ Module Products

A dual protocol OEM module integrated with software that is ideal for applications in these markets

Sport & Fitness

Smart Home


Industrial and Sensing

Assisted Living

Proximity Location Awareness




GEM 1 is based on Nordic Semicondutor’s nRF51422 dual band Bluetooth and ANT+ chipset. It offers a variety of peripheral interfaces. Interfaces include: UART, SPI, I2C, ADC, and GPIO. The GEM1 also has a maximum transmit power of +4dBm and a sensitivity of -93 dBm.

The GEM2 is Based on Nordic Semicondutor’s nRF52832 dual band Bluetooth and ANT+ chipset with 512K of flash and 64K of RAM. It offers a variety of peripheral interfaces including UART, SPI, I2C, ADC, and GPIO. The GEM2 also has a maximum transmit power of +4dBm, and a sensitivity of -96 dBm.



The GEMNFC allows OEMs to easily add Apple GymKit support to their fitness equipment. With NPE’s onboard software, GEMNFC enables fitness machines such as treadmills, exercise bikes, ellipticals, etc. to wirelessly communicate exercise data with the Apple Watch, smart phones, tablets, fitness watches, and leaderboard software systems.


The GEM Retro brings the same wireless connectivity found on newer equipment to a club’s existing fitness equipment population.


Plug and play connectivity to CSAFE enabled fitness equipment.

Dual Technology provides ANT+ and Bluetooth SMART wireless connectivity.

Transmit and save workout data to smartphones and tablets.

ANT+ FE-C support for tracking performance in group fitness and other applications ANT+ communications.

The GEM RETRO worked perfect. It is the only way to go for Zwift! No charging needed. No changing pods on shoes, etc!