|Chipset||ESPRESSIF-ESP32 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor|
|FLASH||QSPI flash 4MB / PSRAM 8MB|
|SRAM||520 kB SRAM|
|USB to TTL||CP2104|
|Modular interface||UART, SPI, SDIO, I2C, PWM, TV PWM, I2S, IRGPIO|
|On-board clock||40MHz crystal oscillator |
|Working current||About 70mA|
|Sleep current||About 1.1mA|
|SIM card||Only supports Nano SIM card|
|Working temperature range||-40℃ ~ +85℃|
|Power Supply||USB 5V/1A|
|Battery ||3.7V lithium battery|
|JST Connector||2Pin 1.25mm|
|Protocol||802.11 b/g/n(802.11n，speed up to150Mbps)A-MPDU and A-MSDU polymerization，support 0.4μS Protection |
|Communication ||Distance 300m |
|Protocol||meet Bluetooth v4.2BR/EDR and BLE standard|
|Radio frequency||with -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH|
|Audio frequency||CVSD&SBC audio frequency|
|Wi-Fi Mode||Station/ SoftAP / SoftAP+Station / P2P|
|Firmware upgrade||UART download/OTA（Through network/host to download and write firmware）|
|Software Development||Support cloud server development /SDK for user firmware development|
|User Configuration||AT + Instruction set, cloud server, android/iOSapp|
Package Includes :
1 X T-Call V1.4
2 X Pin
1 X SIM Antenna
1 X Power Cable
More Information -
T-Call V1.4 Pin Diagram
T-Call V1.4 Size Chart
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The total time it takes to receive your order is shown below:
The total delivery time is calculated from the time your order is placed until the time it is delivered to you. Total delivery time is broken down into processing time and shipping time.
Processing time: The time it takes to prepare your item(s) to ship from our warehouse. This includes preparing your items, performing quality checks, and packing for shipment.
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