Product introduction
WF-MR21-2 adopts Realtek RTL8821CS chip scheme, and the module uses a highly integrated module with integrated WLAN/BT and single antenna. BT is transmitted through UART and WLAN is transmitted through SDIO.
WF-MR21-2
Main parameter
?Chipset：RTL8821CS
?Module dimension(mm)：17*17*2.4mm
?WiFi Versions:802.11 a/b/g/n/ac
?BT Versions:BT 5.4
?Operating temperature:-40~85℃
?Mac:Single
?Bandwidth(MHz):20/40/80MHz
?Frequency Range(GHz):2.4/5GHz
?BT Protocol:HFP, A2DP, PBAP, SPP, GATT, etc
?Operating Voltage:3.3V
?IO Voltage:1.8/3.3V
?Encryption Mode:MPA3
?Interface:SDIO,UART,PCM/I2S
?Antenna:2G/5G 1*1
?Data transmission:Max 433.3 Mbps
?Application:Automative
