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See Product Specifications
| Part Number: | U128 | 
| Category: | RF/IF and RFID | 
| Subcategory: | RF Receiver, Transmitter, and Transceiver Finished Units | 
| Manufacturer: | M5Stack Technology Co., Ltd. | 
| Packaging: | Bulk | 
| Product Status: | Active | 
| Function: | Dual Mode Wireless Module | 
| Modulation or Protocol: | CAT-M, NB-IoT | 
| Frequency: | - | 
| Applications: | Remote Data Collection | 
| Interface: | UART | 
| Sensitivity: | - | 
| Power - Output: | 21dBm | 
| Data Rate (Max): | 1.119Mbps | 
| Features: | - |