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TTGO T-Call V1.3 ESP32 & SIM800L Wireless Module (with Antenna)

TTGO T-Call V1.3 ESP32 & SIM800L Wireless Module (with Antenna)

First Come First Serve Offer (T&C Apply )

Regular price 2,366.70
Regular price 0.00 Sale price 2,366.70
Sale Sold out
Shipping calculated at checkout.

TTGO T-callย is a modified ESP32 (ESP-WROVER-B 8MB PSRAM) development board with an integrated SIM800L 2G/GPRS module. The USB Type C pluggable board includes an integrated LiPo Battery Charging Circuit & Connector and is an excellent solution for developing IoT applications. Aside from Wi-Fi and Bluetooth, you may useย GSM/GPRS technologyย to communicate with this development board, and you can connect it to the internet using your SIM card data plan. This is ideal for IoT applications without access to a local router. The TTGO T-call kit comprises header pins, a battery connector, and an external PCB antenna that may be connected to your board.

Specifications
Chipset ESPRESSIF-ESP32 240MHz Xtensaยฎ dual-core 32-bit LX6 microprocessor
FLASH QSPI flash 4MB / PSRAM 8MB
SRAM 520 kB SRAM
Button Reset
USB to TTL CP2104
Modular interface UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA pre-amplifier
On-board clock 40MHz crystal oscillator
Working voltage 2.7V-3.6V
Working current About 70mA
Sleep current About 300uA
SIM card Only supports Nano SIM card
Working temperature range -40โ„ƒ ~ +85โ„ƒ
Size&Weight 78.83mm*28.92mm*8.06mm(11.77g)
Power Supply Specifications
Power Supply USB 5V/1A
Charging current 500mA
Battery 3.7V lithium battery
JST Connector 2Pin 1.25mm
USB Type-C
Wi-Fi
Standard FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC
Protocol
802.11 b/g/n(802.11n, speed up to150Mbps)A-MPDU and A-MSDU polymerisation, support 0.4ฮผS Protection interval
Frequency range 2.4GHz~2.5GHz(2400M~2483.5M)
Transmit Power 22dBm
Communication distance 300m
Bluetooth
Protocol meet Bluetooth v4.2BR/EDR and BLE standard
Radiofrequency with -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH
Audio frequency CVSD&SBC audio frequency
Software specification
Wi-Fi Mode Station/SoftAP/SoftAP+Station/P2P
Security mechanism WPA/WPA2/WPA2-Enterprise/WPS
Encryption Type AES/RSA/ECC/SHA
Firmware upgrade UART download/OTA(Through network/host to download and write firmware)
Software Development Support cloud server development /SDK for user firmware development
Networking protocol IPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTT
User Configuration AT + Instruction set, cloud server, android/iOSapp
OS FreeRTOS
Country of Origin China

ย 

T&C Apply.

Terms and Conditions

1. Product Images and Representations

  • Images displayed on the website are for illustrative purposes only. The actual product may vary in color and design.

2. Offers and Returns

  • Products purchased during promotional offers may not be eligible for return. Please refer to the specific offer details for clarification.
  • We offer a standard return policy for most products, with some exceptions for products purchased during offers.

3. Availability and Out-of-Stock Products

  • All products listed on the website are available on a first-come, first-served basis.

Following are the stock percentages available in the sale:

Xiaomi: 15%

Vivo: 5%

Samsung: 5%

Realme: 8%

OPPO: 10%

OnePlus: 4%

Apple: 4%

Poco: 2%

Infinix: 10%

Feature Phones: 32%

Tecno: 5%ย 

We reserve the right to limit quantities.

  • In case of stock depletion, we may offer a replacement product of similar value.
  • If you are not satisfied with the replacement, we will credit your account with the purchase amount. This credit can be used towards future purchases, but no cash refunds will be issued.

4. Product Exchanges

  • We offer exchanges for products that are broken or damaged upon arrival. Please refer to our return policy for details on initiating an exchange.

5. Refurbished Electronics

  • Electronic products listed under the "website " may be old refurbished, meaning they were previously owned. These products will be clearly marked as refurbished.

  • the branded box, charger, accessories will not be included with the mobile phone.

6. Customer Satisfaction and Credits

  • If you are unhappy with any product, we may offer you a coupon code for a future purchase instead of a cash refund.

7. Shipping and Delivery

  • Our standard shipping method is surface mode, which may result in longer delivery times. Typical delivery times range between 8-15 business days.

8. Acceptance of Terms

All products sold on a first-come, first-served basis are subject to our No Refund Policy. As part of this policy, the company will randomly select five customers out of every 100 orders to receive smartphone products. The remaining orders may be canceled, or the customer may opt to receive a branded T-shirt of equivalent value. If the customer objects to receiving a T-shirt or want for refund,

A full refund will be issued to their company-created digital wallet within 30 days. Please note that this offer is discretionary and involves a risk of non-receipt of the desired product. By placing an order, you acknowledge and agree to these terms."

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