EZRadio® ISM Band Transmitters, Receivers and Transceivers

Silicon Labs' EZRadio® family of fully integrated, low-power, cost-effective wireless ICs is designed to meet the needs of OEMs developing ISM applications for the consumer, industrial and automotive markets. The EZRadio family are easy-to-use, low current, sub-GHz ISM band transceivers, receivers and transmitters. Covering all major bands from 27 MHz to 960 MHz, it combines plug-and-play simplicity with the flexibility needed to handle a wide variety of applications. Excellent sensitivity up to –116 dBm allows for a longer operating range, while the low current consumption of up to 12 mA active and up to 50 nA standby provides for superior battery life. By fully integrating all components from the antenna to the GPIO or SPI interface to the MCU, the EZRadio devices make realizing this performance in an application easy. The devices target one-way wireless link applications such as remote keyless entry (RKE), garage door openers, remote controls, home automation and security devices.

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Features

  • Frequency range = 284 – 960 MHz
  • Receive sensitivity = -116 dBm
  • Max output power up to +13 dBm
  • Modulation
    • (G)FSK
    • OOK
  • Low active power consumption
    • 18 mA TX at +10 dBm
    • Low standby current = 40 nA - 50 nA
  • Max data rate = 500 kbps
  • Packet handling including preamble, sync word and CRC
  • Direct mode for legacy applications
  • Power supply = 1.8 - 3.6 V
  • TX 64 byte FIFO
  • Programmable PA output
  • Integrated battery voltage sensor
  • Low BOM

Getting Started with EZRadio

EZRadio Sub-GHz Development Kits

The easiest way to begin development with the EZRadio family is with EZRadio Development Kits.

View Kits


EZRadio Product Matrix

Status
Devices
Part Number Data Sheet Description Output Power (868 MHz) Supply Voltage (V) Package Type FSK (kbps) OOK (kbps) RX Sensitivity (dBm) Frequency Bands (MHz)
8051 Sub-GHz RF transmitter 10 1.8 3.6 SOIC14 100 50 27 - 960
8051 Sub-GHz RF transmitter 10 1.8 3.6 MSOP10 100 50 27 - 960
Sub-GHz transmitter 13 1.8 3.6 QFN20 500 120 116 315; 390; 434; 868; 915
FSK receiver 2.7 3.6 QFN20 10 0 -104 315; 433.92
FSK receiver 2.7 3.6 QFN20 10 0 -104 315; 433.92
Si4312 (NRND)
Sub-GHz receiver 2.7 3.6 QFN20 0 10 -110 315; 434
Si4313 (NRND)
Sub-GHz receiver 1.8 3.6 QFN20 256 40 -118 315; 434; 868; 915
-116 dBm sub-GHz receiver 1.8 3.6 QFN20 500 120 -116 315; 434; 868; 915
RX sub-GHz receiver 1.8 3.6 QFN20 120 120 -113 315; 434; 868; 915
Si4420 (NRND)
Sub-GHz transceiver 2 2.2 5.4 TSSOP16 256 0 315; 434; 868; 915
Si4421 (NRND)
Sub-GHz transceiver 7 2.2 3.8 TSSOP16 115 0 434; 868; 915
+13/-116 dBm sub-GHz transceiver 12 1.8 3.6 QFN20 500 120 -116 315; 434; 868; 915
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