Si4438 Description
e Silicon Laboratories' Si4438 is a high-performance, low-current transceivers covering the sub-GHz frequency bands from 425 to d 525 MHz. The Si4438 is targeted at the Chinese smart meter market and n is especially suited for electric meters. This device is footprint- and pin-patible with the Si446x radios, which provide industry-leading e performance for worldwide sub-GHz applications.
Si4438 Key Features
- Frequency
- Excellent selectivity performance
- 58 dB adjacent channel
- Receive sensitivity = -124 dBm -75 dB blocking at 1 MHz
- Modulation -(G)FSK
- Antenna diversity and T/R switch control
- Highly configurable packet handler
- Max output power
- TX and RX 64 byte FIFOs
- +20 dBm