| Part Number | EM342-RT | EM346-RT | 
|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs | 
| Category | RF Transceiver ICs | RF Transceiver ICs | 
|   |   | |
| Product Status | Not For New Designs | Not For New Designs | 
| Type | TxRx + MCU | TxRx + MCU | 
| RF Family/Standard | 802.15.4 | 802.15.4 | 
| Protocol | Zigbee® | Zigbee® | 
| Modulation | O-QPSK | O-QPSK | 
| Frequency | 2.4GHz | 2.4GHz | 
| Data Rate (Max) | 5Mbps | 5Mbps | 
| Power - Output | 8dBm | 8dBm | 
| Sensitivity | -102dBm | -102dBm | 
| Memory Size | 128kB Flash, 12kB RAM | 192kB Flash, 12kB RAM | 
| Serial Interfaces | JTAG, SPI, UART | JTAG, SPI, UART | 
| GPIO | 16 | 16 | 
| Voltage - Supply | 2.1V ~ 3.6V | 2.1V ~ 3.6V | 
| Current - Receiving | 22mA ~ 28.5mA | 22mA ~ 28.5mA | 
| Current - Transmitting | 21.5mA ~ 43.5mA | 21.5mA ~ 43.5mA | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 48-VFQFN Exposed Pad | 48-VFQFN Exposed Pad | 
| Supplier Device Package | 48-QFN (7x7) | 48-QFN (7x7) |