Walton Electronics Co., Ltd.
Shenzhen Walton Electronics Co., Ltd.
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SI4432-B1-FM Wireless & RF Integrated Circuits RF Transceiver
Frequency Range
240–930 MHz (Si4431/32)
900–960 MHz (Si4430)
Sensitivity = –121 dBm
Output power range
+20 dBm Max (Si4432)
+13 dBm Max (Si4430/31)
Low Power Consumption
18.5 mA receive
30 mA @ +13 dBm transmit
85 mA @ +20 dBm transmit
Data Rate = 0.123 to 256 kbps
FSK, GFSK, and OOK modulation
Power Supply = 1.8 to 3.6 V Ultra low power shutdown mode
Digital RSSI
Wake-up timer
Auto-frequency calibration (AFC)
Power-on-reset (POR)
Antenna diversity and TR switch control
Configurable packet handler
Preamble detector
TX and RX 64 byte FIFOs
Low battery detector
Temperature sensor and 8-bit ADC
–40 to +85 °C temperature range
Integrated voltage regulators
Frequency hopping capability
On-chip crystal tuning
| Silicon Laboratories | ||
| RF Transceiver | ||
| RoHS: | Details | |
| Sub-GHz | ||
| 240 MHz to 930 MHz | ||
| 256 kbps | ||
| FSK, GFSK, OOK | ||
| 1.8 V | ||
| 3.6 V | ||
| 18.5 mA | ||
| 85 mA | ||
| 20 dBm | ||
| - 40 C | ||
| + 85 C | ||
| SPI | ||
| QFN-20 | ||
| Tray | ||
| Brand: | Silicon Labs | |
| Mounting Style: | SMD/SMT | |
| Product Type: | RF Transceiver | |
| Sensitivity: | - 121 dBm | |
| Series: | Si4432 | |
| 490 | ||
| Subcategory: | Wireless & RF Integrated Circuits | |
| Supply Current - Max: | 85 mA | |
| Technology: | Si | |
| Tradename: | EZRadioPRO | |
| Unit Weight: | 0.001515 oz |