[IC]: CC2540

[La fréquence]: 2.402~2.480GHz

[Protocole]: BLE 4.0

[Distance]: 60m

[Interface]: USB

[Poids du produit]: 8.8g±0.1g

[IC]: CC2541

[La fréquence]: 2.379~2.496GHz

[Protocole]: BLE 4.0

[Distance]: 50m

[Interface]: UART

[Lester]: 1.1±0.1g

[Poids du produit]: 1.1±0.1g