When receiving range is less critical, this short range version of the BM-CS5 is a budget-oriented alternative. The estimated data transmission range is around 30 meters.

The BM-CS5SR is a good candidate for single user systems and can be used with the eZ430-Chronos watch from Texas Instruments.

The following variants are available:

Product code	Frequency	Certified for these countries	Availability
BM-CS5SR-EU-S000	868MHz	EU	Available from stock
BM-CS5SR-US-S000	915MHz	USA, Canada, Australia	Available from stock

The BM-MM5 radio module is able to receive data from 10 BlueRobin™ transmitters in parallel.

The following variants are available:

Product code	Frequency	Host interface	Availability
BM-MM5-EU-S000	868MHz	SPI	Currently not available
BM-MM5-EU-S100	868MHz	UART	Currently not available