| product name | size | date of publication | brief introduction to functions | supply status | 
|---|---|---|---|---|
| atbm6431 | 5×5 | q2 2019 |   1t1r, ieee 802.11b/g/n, embedded low power mcu, 2mbytes flash memory and wi-fi protocal  | 
                  
                     in production 
                   | 
                
| atbm6421 | 5×5 | q2 2018 |   1t1r, ieee 802.11b/g/n, embedded low power mcu and wi-fi protocal  | 
                  
                     in production 
                   |