LiLYGO T-Call V1.4 ESP32 WI-FI+BT+BLE MCU Module
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The LiLYGO T-Call V1.4 is a powerful ESP32-based wireless communication module that integrates both ESP32 WROVER-B and SIM800L modules into a compact design. It supports Wi-Fi, Bluetooth, and BLE connectivity, along with 2G/3G/4G cellular communication via a NANO SIM card. With onboard lithium battery charging and protection circuits, this module is ideal for IoT projects requiring reliable data transmission, voice, and SMS capabilities.
add_circle The Upside
- check Combines Wi-Fi/BT/BLE and cellular connectivity in one module
- check Battery-powered with charging capability for portable projects
- check Compact size with comprehensive features
remove_circle The Downside
- close Requires a 2G/3G/4G SIM card for cellular functionality
- close Limited to 2G/3G/4G networks; no 5G support
- close May need external antenna for optimal cellular signal
Specifications & features
Key features
- check_circle Integrated ESP32 WROVER-B and SIM800L modules
- check_circle Supports Wi-Fi, Bluetooth, BLE, and cellular (2G/3G/4G) communication
- check_circle Onboard lithium battery charging circuit with overcharge/discharge protection
- check_circle USB-to-serial CP210X chip for easy programming
- check_circle Flip SIM card slot for NANO SIM cards
Specifications
Battery Charging Current
500 mA
Cellular Module
SIM800L
Connectivity
Wi-Fi 802.11 b/g/n, Bluetooth 4.2, BLE, GSM/GPRS/EDGE/UMTS/HSPA/LTE
Dimensions
7.5 x 3 x 1 cm
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