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Laird BL654 Bluetooth Module with NFC (External Antenna)
 Price: SG$ 13.25
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BL653 Bluetooth 5.1 + 802.15.4 + NFC (Integrate Antenna)
 Price: SG$ 11.20
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BL653u Bluetooth 5.1 + 802.15.4 + NFC (Integrate Antenna)
 Price: SG$ 11.20
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BL600-SA Bluetooth 4.0 Module (Smart Basic, Internal antenna)
 Price: SG$ 17.49
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BL652 Bluetooth 5 with NFC (Internal antenna)
 Price: SG$ 10.05
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BT900 BTv4.0 dual Mode smartBASIC (Integrate Antenna)
 Price: SG$ 23.41
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Bluetooth Module
Middle ware Smart Basic
MCU
Interfaces UART, I2C, SPI, ADC, PDM, GPIO, USB UART UART UART UART UART
Uncategorized
BT Class Class 1 Class 2 Class 2 Class 2 Class 2 Class 1
Standard Compliance RoHS REACH
Dual Mode No
Other wireless NFC NFC NFC + Zigbee + Thread None NFC None
MCU Cortex M4F
Operation Temperature -40 °C ~ +85 °C -40 °C ~ +85 °C -40 °C ~ +85 °C -40 °C ~ +85 °C -40 °C ~ +85 °C -40 °C ~ +85 °C
Stack on Board Yes Yes Yes Yes Yes Yes
Antenna External Antenna Integrate Antenna Integrate Antenna Internal antenna Internal antenna Integrate Antenna
BLE connection 20 20 5 8 7
Bluetooth mode BLE5.1 BLE5.1 BLE4.0 BLE5.0 Dual mode 4.0
Certification FCC CE IC RCM SIG FCC/IC/CE/MIC/RCM FCC/IC/CE/MIC/RCM FCC, IC, CE, MIC, SIG, KC
Transmit Power 8dBm
Chipset nRF52833 nRF52833 WLCSP nRF51822 nRF52832 CSR8811