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| Part Number | RN21U-I/RM | RN41U-I/RM | RN21-I/RM |
|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Obsolete | Obsolete | Obsolete |
| RF Family/Standard | Bluetooth | Bluetooth | Bluetooth |
| Protocol | Bluetooth v2.1 +EDR, Class 1 | Bluetooth v2.1 +EDR, Class 1 | Bluetooth v2.1 +EDR, Class 1 |
| Modulation | FHSS, GFSK | FHSS, GFSK | FHSS, GFSK |
| Frequency | 2.4GHz | 2.4GHz | 2.4GHz |
| Data Rate | 3Mbps | 3Mbps | 3Mbps |
| Power - Output | 16dBm | 16dBm | 16dBm |
| Sensitivity | -80dBm | -80dBm | -80dBm |
| Serial Interfaces | USB | SPI, UART, USB | UART |
| Antenna Type | Antenna Not Included | Integrated, Chip | Antenna Not Included |
| Utilized IC / Part | - | - | - |
| Memory Size | 8MB Flash | - | 8MB Flash |
| Voltage - Supply | 3V ~ 3.6V | 3V ~ 3.6V | 3V ~ 3.6V |
| Current - Receiving | 35mA | 35mA | 35mA |
| Current - Transmitting | 65mA | 65mA | 65mA |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Package / Case | Module | 35-SMD Module | Module |
