EM357-ZRTR representative package visual — not an exact-product photograph
Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image
Exact MPN19 sourced attributes1 source document

Silicon Labs · exact orderable part

EM357-ZRTR

IC RF TXRX+MCU 802.15.4 48VFQFN

Base Product Number
EM357
Current - Receiving
22mA ~ 28.5mA
Current - Transmitting
21.5mA ~ 43.5mA
Data Rate (Max)
5Mbps
Frequency
2.4GHz
GPIO
24
Original manufacturerCommercial terms confirmed per lot
ManufacturerSilicon Labs
Package / case48-VFQFN Exposed Pad
Mounting typeunknown
PackingTape & Reel (TR)

Technical parameters

Technical specifications

EM357-ZRTR technical parameters
ParameterValue
Base Product NumberEM357 [1]
Current - Receiving22mA ~ 28.5mA [1]
Current - Transmitting21.5mA ~ 43.5mA [1]
Data Rate (Max)5Mbps [1]
Frequency2.4GHz [1]
GPIO24 [1]
Memory Size192kB Flash, 12kB RAM [1]
MfrSilicon Labs [1]
ModulationO-QPSK [1]
Mounting TypeSurface Mount [1]
Operating Temperature-40°C~85°C [1]
Power - Output8dBm [1]
Product StatusNot For New Designs [1]
ProtocolZigbee® [1]
RF Family/Standard802.15.4 [1]
Sensitivity-102dBm [1]
Serial InterfacesI²C, JTAG, SPI, UART [1]
TypeTxRx + MCU [1]
Voltage - Supply2.1V ~ 3.6V [1]

Catalog relationships

Keep family and exact MPN intent separate.

This page describes one orderable part. A family page helps select suffixes but never carries assumed stock or a price.