[Chip solution]: DA14580

[Working frequency]: 2.379~2.496GHz

[Support protocol]: BLE 4.2

[Communication distance]: 70m

[Interface type]: UART

[Product weight]: 1.0±0.1g

[Bluetooth protocol]: BLE 5.1

[Communication distance]: 60m

[Product size]: 10*10mm

[Product weight]: 0.5±0.1g

[Protocol]: BLE 5.1

[Communication distance]: 130m

[Product size]: 21.9*14.6mm

[Product weight]: 1.2±0.1g

[Chip solution]: CC2340R5

[Carrier frequency]: 2.4GHz

[Transmission power]: 8dBm

[Communication distance]: 170m

[Product size]: 10*14.5mm

[Product weight]: 0.5±0.1g

[Chip solution]: DA14531

[Working frequency]: 2.402~2.480GHz

[Bluetooth protocol]: BLE5.0

[Communication distance]: 130m

[Product size]: 10*10mm

[Product net quantity]: 0.4±0.1g

[Product weight]: 0.4±0.1g