Microchip Technology RN42NHCI-I/RM 블루투스 모듈 클래스2 BT 모듈 v2.1 HCI H4/UART 안테나 없음

Class: Class 2

Protocol: Bluetooth 2.1 + EDR

Frequency: 2.4 GHz

Protocol - Sub GHz: ISM

Protocol - Bluetooth, BLE - 802.15.1: Bluetooth