Picture Mfr Part # QUANTITY Inventory MANUFACTURE Description Package Series Part Status Packaging Frequency Operating Temperature Package / Case Type Sensitivity Voltage - Supply Power - Output Memory Size Serial Interfaces Data Rate (Max) Protocol Current - Receiving RF Family/Standard Modulation GPIO Current - Transmitting
GLOBAL STOCKS
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RFQ
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RFQ
2,116
In-stock
STMicroelectronics ULTRA-LOW POWER HIGH PERFORMANCE - Active - 452MHz ~ 527MHz, 904MHz ~ 1055MHz -40°C ~ 105°C (TA) 24-VFQFN Exposed Pad TxRx Only -128dBm 1.8 V ~ 3.6 V 14dBm - SPI 500kbps SIGFOX™ 8.6mA 802.15.4 2FSK, 2GFSK, 4FSK, 4GFSK, ASK, OOK 4 20.6mA
Default Photo
RFQ
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RFQ
3,015
In-stock
STMicroelectronics ULTRA-LOW POWER HIGH PERFORMANCE - Active - 452MHz ~ 527MHz, 904MHz ~ 1055MHz -40°C ~ 105°C (TA) 24-VFQFN Exposed Pad TxRx Only -128dBm 1.8 V ~ 3.6 V 14dBm - SPI 500kbps SIGFOX™ 8.6mA 802.15.4 2FSK, 2GFSK, 4FSK, 4GFSK, ASK, OOK 4 20.6mA
Default Photo
RFQ
VIEW
RFQ
720
In-stock
STMicroelectronics ULTRA-LOW POWER HIGH PERFORMANCE - Active - 452MHz ~ 527MHz, 904MHz ~ 1055MHz -40°C ~ 105°C (TA) 24-VFQFN Exposed Pad TxRx Only -128dBm 1.8 V ~ 3.6 V 14dBm - SPI 500kbps SIGFOX™ 8.6mA 802.15.4 2FSK, 2GFSK, 4FSK, 4GFSK, ASK, OOK 4 20.6mA
S2-LPQTR
RFQ
VIEW
RFQ
3,127
In-stock
STMicroelectronics ULTRA-LOW POWER, HIGH PERFORMANC - Active Digi-Reel® - -40°C ~ 85°C 24-VFQFN Exposed Pad TxRx Only -130dBm 1.8 V ~ 3.6 V 10dBm - SPI, UART 500kbps SIGFOX™, Wireless M-Bus 8mA 802.15.4 2GFSK, 4GFSK, ASK, OOK 4 27mA
S2-LPQTR
RFQ
VIEW
RFQ
2,373
In-stock
STMicroelectronics ULTRA-LOW POWER, HIGH PERFORMANC - Active Cut Tape (CT) - -40°C ~ 85°C 24-VFQFN Exposed Pad TxRx Only -130dBm 1.8 V ~ 3.6 V 10dBm - SPI, UART 500kbps SIGFOX™, Wireless M-Bus 8mA 802.15.4 2GFSK, 4GFSK, ASK, OOK 4 27mA
S2-LPQTR
RFQ
VIEW
RFQ
662
In-stock
STMicroelectronics ULTRA-LOW POWER, HIGH PERFORMANC - Active Tape & Reel (TR) - -40°C ~ 85°C 24-VFQFN Exposed Pad TxRx Only -130dBm 1.8 V ~ 3.6 V 10dBm - SPI, UART 500kbps SIGFOX™, Wireless M-Bus 8mA 802.15.4 2GFSK, 4GFSK, ASK, OOK 4 27mA
SI1064-A-GMR
RFQ
VIEW
RFQ
2,190
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 36-WFQFN - Active Tape & Reel (TR) 283MHz ~ 350MHz, 425MHz ~ 525MHz, 850MHz ~ 960MHz -40°C ~ 85°C 36-WFQFN Exposed Pad TxRx + MCU -116dBm 1.8 V ~ 3.6 V 13dBm 64kB Flash 4kB RAM I²C, SPI, UART 500kbps - 10.7mA ~ 13.7mA General ISM < 1GHz 4FSK, 4GFSK, FSK, GFSK, OOK 15 18mA ~ 29mA
SI4455-B1A-FMR
RFQ
VIEW
RFQ
3,298
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Digi-Reel® 283MHz ~ 960MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -116dBm 1.8 V ~ 3.6 V 13dBm (Max) - SPI 500kbps - 10mA General ISM < 1GHz FSK, GFSK, OOK 4 18mA ~ 30mA
SI4455-B1A-FMR
RFQ
VIEW
RFQ
3,925
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Cut Tape (CT) 283MHz ~ 960MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -116dBm 1.8 V ~ 3.6 V 13dBm (Max) - SPI 500kbps - 10mA General ISM < 1GHz FSK, GFSK, OOK 4 18mA ~ 30mA
SI4455-B1A-FMR
RFQ
VIEW
RFQ
2,628
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Tape & Reel (TR) 283MHz ~ 960MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -116dBm 1.8 V ~ 3.6 V 13dBm (Max) - SPI 500kbps - 10mA General ISM < 1GHz FSK, GFSK, OOK 4 18mA ~ 30mA
SI4455-C2A-GMR
RFQ
VIEW
RFQ
2,371
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Digi-Reel® 284MHz ~ 960MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -115dBm 1.8 V ~ 3.6 V 13dBm - SPI 500kbps - 10.9mA General ISM < 1GHz FSK, GFSK, OOK 4 19mA ~ 24mA
SI4455-C2A-GMR
RFQ
VIEW
RFQ
2,311
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Cut Tape (CT) 284MHz ~ 960MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -115dBm 1.8 V ~ 3.6 V 13dBm - SPI 500kbps - 10.9mA General ISM < 1GHz FSK, GFSK, OOK 4 19mA ~ 24mA
SI4455-C2A-GMR
RFQ
VIEW
RFQ
1,067
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Tape & Reel (TR) 284MHz ~ 960MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -115dBm 1.8 V ~ 3.6 V 13dBm - SPI 500kbps - 10.9mA General ISM < 1GHz FSK, GFSK, OOK 4 19mA ~ 24mA
SPIRIT1QTR
RFQ
VIEW
RFQ
2,285
In-stock
STMicroelectronics IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Digi-Reel® 150MHz ~ 174MHz, 300MHz ~ 348MHz, 387MHz ~ 470MHz, 779MHz ~ 956MHz -40°C ~ 105°C 20-VFQFN Exposed Pad TxRx Only -118dBm 1.8 V ~ 3.6 V 16dBm - SPI 500kbps - 9.2mA ~ 9.8mA General ISM < 1GHz 2FSK, ASK, GFSK, GMSK, MSK, OOK 4 6mA ~ 54mA
SPIRIT1QTR
RFQ
VIEW
RFQ
3,085
In-stock
STMicroelectronics IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Cut Tape (CT) 150MHz ~ 174MHz, 300MHz ~ 348MHz, 387MHz ~ 470MHz, 779MHz ~ 956MHz -40°C ~ 105°C 20-VFQFN Exposed Pad TxRx Only -118dBm 1.8 V ~ 3.6 V 16dBm - SPI 500kbps - 9.2mA ~ 9.8mA General ISM < 1GHz 2FSK, ASK, GFSK, GMSK, MSK, OOK 4 6mA ~ 54mA
SPIRIT1QTR
RFQ
VIEW
RFQ
3,392
In-stock
STMicroelectronics IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Tape & Reel (TR) 150MHz ~ 174MHz, 300MHz ~ 348MHz, 387MHz ~ 470MHz, 779MHz ~ 956MHz -40°C ~ 105°C 20-VFQFN Exposed Pad TxRx Only -118dBm 1.8 V ~ 3.6 V 16dBm - SPI 500kbps - 9.2mA ~ 9.8mA General ISM < 1GHz 2FSK, ASK, GFSK, GMSK, MSK, OOK 4 6mA ~ 54mA
SI1065-A-GMR
RFQ
VIEW
RFQ
826
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 36-WFQFN - Active Tape & Reel (TR) 283MHz ~ 350MHz, 425MHz ~ 525MHz, 850MHz ~ 960MHz -40°C ~ 85°C 36-WFQFN Exposed Pad TxRx + MCU -116dBm 1.8 V ~ 3.6 V 13dBm 32kB Flash, 4kB RAM I²C, SPI, UART 500kbps - 10.7mA ~ 13.7mA General ISM < 1GHz 4FSK, 4GFSK, FSK, GFSK, OOK 15 18mA ~ 29mA
SI1084-A-GMR
RFQ
VIEW
RFQ
2,842
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 36-WFQFN - Active Tape & Reel (TR) 283MHz ~ 350MHz, 425MHz ~ 525MHz, 850MHz ~ 960MHz -40°C ~ 85°C 36-WFQFN Exposed Pad TxRx + MCU -116dBm 1.8 V ~ 3.6 V 13dBm 16kB Flash, 768B RAM I²C, SPI, UART 500kbps - 10.7mA ~ 13.7mA General ISM < 1GHz 4FSK, 4GFSK, FSK, GFSK, OOK 15 18mA ~ 29mA
SI1085-A-GMR
RFQ
VIEW
RFQ
1,519
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 36-WFQFN - Active Tape & Reel (TR) 283MHz ~ 350MHz, 425MHz ~ 525MHz, 850MHz ~ 960MHz -40°C ~ 85°C 36-WFQFN Exposed Pad TxRx + MCU -116dBm 1.8 V ~ 3.6 V 13dBm 8kB Flash, 768B RAM I²C, SPI, UART 500kbps - 10.7mA ~ 13.7mA General ISM < 1GHz 4FSK, 4GFSK, FSK, GFSK, OOK 15 18mA ~ 29mA
SI4438-C2A-GMR
RFQ
VIEW
RFQ
2,622
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Tape & Reel (TR) 425MHz ~ 525MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -124dBm 1.8 V ~ 3.6 V 20dBm (Max) - SPI 500kbps - 13.7mA General ISM < 1GHz FSK, GFSK, GMSK, OOK 4 75mA
SI4438-B1C-FMR
RFQ
VIEW
RFQ
3,277
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Tape & Reel (TR) 425MHz ~ 525MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -124dBm 1.8 V ~ 3.6 V 20dBm (Max) - SPI 500kbps - 14mA General ISM < 1GHz FSK, GFSK, GMSK, OOK 4 75mA
SI4438-B1C-FM
RFQ
VIEW
RFQ
1,077
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Tray 425MHz ~ 525MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -124dBm 1.8 V ~ 3.6 V 20dBm (Max) - SPI 500kbps - 14mA General ISM < 1GHz FSK, GFSK, GMSK, OOK 4 75mA
SI1065-A-GM
RFQ
VIEW
RFQ
715
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 36-WFQFN - Active Tray 283MHz ~ 350MHz, 425MHz ~ 525MHz, 850MHz ~ 960MHz -40°C ~ 85°C 36-WFQFN Exposed Pad TxRx + MCU -116dBm 1.8 V ~ 3.6 V 13dBm 32kB Flash, 4kB RAM I²C, SPI, UART 500kbps - 10.7mA ~ 13.7mA General ISM < 1GHz 4FSK, 4GFSK, FSK, GFSK, OOK 15 18mA ~ 29mA
SI1064-A-GM
RFQ
VIEW
RFQ
799
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 36-WFQFN - Active Tray 283MHz ~ 350MHz, 425MHz ~ 525MHz, 850MHz ~ 960MHz -40°C ~ 85°C 36-WFQFN Exposed Pad TxRx + MCU -116dBm 1.8 V ~ 3.6 V 13dBm 64kB Flash 4kB RAM I²C, SPI, UART 500kbps - 10.7mA ~ 13.7mA General ISM < 1GHz 4FSK, 4GFSK, FSK, GFSK, OOK 15 18mA ~ 29mA
SI1085-A-GM
RFQ
VIEW
RFQ
2,873
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 36-WFQFN - Active Tray 283MHz ~ 350MHz, 425MHz ~ 525MHz, 850MHz ~ 960MHz -40°C ~ 85°C 36-WFQFN Exposed Pad TxRx + MCU -116dBm 1.8 V ~ 3.6 V 13dBm 8kB Flash, 768B RAM I²C, SPI, UART 500kbps - 10.7mA ~ 13.7mA General ISM < 1GHz 4FSK, 4GFSK, FSK, GFSK, OOK 15 18mA ~ 29mA
SI4438-C2A-GM
RFQ
VIEW
RFQ
2,867
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Tray 425MHz ~ 525MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -124dBm 1.8 V ~ 3.6 V 20dBm (Max) - SPI 500kbps - 13.7mA General ISM < 1GHz FSK, GFSK, GMSK, OOK 4 75mA
SI1084-A-GM
RFQ
VIEW
RFQ
1,251
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 36-WFQFN - Active Tray 283MHz ~ 350MHz, 425MHz ~ 525MHz, 850MHz ~ 960MHz -40°C ~ 85°C 36-WFQFN Exposed Pad TxRx + MCU -116dBm 1.8 V ~ 3.6 V 13dBm 16kB Flash, 768B RAM I²C, SPI, UART 500kbps - 10.7mA ~ 13.7mA General ISM < 1GHz 4FSK, 4GFSK, FSK, GFSK, OOK 15 18mA ~ 29mA
SI4455-C2A-GM
RFQ
VIEW
RFQ
1,785
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Tray 284MHz ~ 960MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -115dBm 1.8 V ~ 3.6 V 13dBm (Max) - SPI 500kbps - 10.9mA General ISM < 1GHz FSK, GFSK, OOK 4 19mA ~ 24mA
SI4455-B1A-FM
RFQ
VIEW
RFQ
1,913
In-stock
Silicon Labs IC RF TXRX+MCU ISM<1GHZ 20-VFQFN - Active Tray 283MHz ~ 960MHz -40°C ~ 85°C 20-VFQFN Exposed Pad TxRx + MCU -116dBm 1.8 V ~ 3.6 V 13dBm (Max) - SPI 500kbps - 10mA General ISM < 1GHz FSK, GFSK, OOK 4 18mA ~ 30mA