• rf-bm-s02

  cc2540,bt 4.0

• rf-bm-s01

  cc2540,bt 4.0

• rf-bm-4077b1

  cc2640r2f,bt 5.0

• rf-bm-nd05i

  nrf52840，nordic

• rf-bm-nd01

  nrf51822,bt 4.2