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| Part Number | ETRX357HR-LR |
| Description | RF TXRX MODULE 802.15.4 U.FL ANT |
| Manufacturer | Silicon Labs |
| Series | - |
| Part Status | Obsolete |
| RF Family/Standard | 802.15.4 |
| Protocol | Zigbee® |
| Modulation | - |
| Frequency | 2.4GHz |
| Data Rate | 250kbps |
| Power - Output | 18dBm |
| Sensitivity | -105dBm |
| Serial Interfaces | - |
| Antenna Type | Not Included, U.FL |
| Utilized IC / Part | EM357 |
| Memory Size | 192kB Flash, 12kB RAM |
| Voltage - Supply | 2.1V ~ 3.6V |
| Current - Receiving | 28mA |
| Current - Transmitting | 106mA |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | Module |