Si4461-A1 Datasheet, Silicon Laboratories

* Frequency range = 142
  –1050 MHz
* Power supply = 1.8 to 3.6 V
* Receive sensitivity =
  –126 dBm
* Excellent selectivity .

* Smart metering (802.15.4g & Mbus)
* Remote control
* Home security and alarm
* Telemetry
* Garage.

Pin Assignments GPIO3 GPIO2 GND XIN XOUT SDN 1 20 19 18 17 16 RXp 2 15 nSEL RXn 3 TX 4 GND PAD 14 SDI 13 SDO NC 5 12 SCLK 6 7 8 9 10 11 nIRQ VDD TXRamp VDD GPIO0 GPIO1 Silicon Laboratories' Si446x devices are high-performance, low curren.