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Silicon Labs SLWRB4250B, EFR32FG RF Transceiver Module Flex Gecko

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Silicon Labs
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1 +£38.17

EFR32FG1 Flex Gecko 2.4GHz/868MHz Dual-Band Radio Board

The SLWRB4250B Flex Gecko Dual-Band Radio Board supports the development of proprietary wireless applications. It is supported by the Simplicity Studio suite of development tools.

• EFR32FG1 Cortex-M4F core SoC with 256KB Flash memory, 32KB RAM (EFR32FG1P133F256GM48)
• RF Operating Frequency: 2.4 to 2.4835GHz and 863 to 870MHz ISM Bands

• RF Output Power: +13dBm

• PCB antenna (2.4GHz) with optional U.FL connector

• SMA connector for external antenna (868MHz)

• Crystals for LFXO and HFXO: 32.768 kHz and 38.4 MHz

• Connectors for Wireless Starter Kit Mainboard

• Powered from Starter Kit Mainboard

• Dimensions: 45 x 30mm


Works in conjunction with an SLWSTK6061A Flex Gecko Wireless Starter Kit, RS Product Code 122-9762


FCC (2.4GHz band), ETSI (Both bands)

RF TechnologyRF Transceiver
Kit ClassificationModule
Featured DeviceEFR32FG
Kit NameFlex Gecko
Frequency2.4 GHz, 868 MHz