【B-TECH】BT8421,
BT850-SA,RF TXRX MOD BLUETOOTH CHIP SMD
BT850-SA-T/R,RF TXRX MOD BLUETOOTH CHIP SMD
BT850-ST,RF TXRX MOD BLUETOOTH CAST SMD
BT850-ST-T/R,RF TXRX MOD BLUETOOTH CAST SMD
BT851,RF BLUETOOTH V5.0 USB 2.4GHZ
BT860-SA,RF TXRX MOD BLUETOOTH CHIP SMD
BT860-SA-T/R,RF TXRX MOD BLUETOOTH CHIP SMD
