LILYGO® T-Call V1.4 SIM800L ESP32 Wireless Module SIM Antenna WiFi bluetooth Development Expand Board Devkit for Arduino
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We will work hard to deliver items to you after receiving your orders and make sure they arrive safely. Delivery details will be provided in your confirmation email.In most cases, orders are processed within 2 days.Under special circumstances, it will be delayed as follows: When you place an order on Saturday, Sunday or public holidays, it will be delayed for 2 days..Normally, it needs 5-7 working days (Monday to Friday) without being affected by flight delay or other environmental factors..Because our shipping service is worldwide so the delivery times will depend on your location so it may need a few times and please wait patiently if you are in remote districts or countries.1. Return & Exchange Policy
We only accept items purchased from roymall.com. If you purchase from our local distributors or other retailers, you cannot return them on our side. Final sales items or free gifts are not acceptable for a return. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.After receiving return instructions from us, please package up your returned items and drop your package at the local post office or another courier.We will process your return or exchange item within 3-5 working days after we receive it. The refund will be processed and credited automatically to your original method of payment.No returns or exchanges can be accepted if the product was custom produced, including custom size, custom color, or custom printed.Need more help, please contact us. service@roymall.com or Whatsapp: +8619359849471
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You'll get a full refund or 100% store credit after we receive the returned package and check it. The refund will be processed and credited automatically to your original method of payment. Please note that shipping costs and any duties or fees are not refundable. The extra shipping costs are non-refundable once the package has been shipped. You are responsible for paying these fees and we’re unable to waive or refund them, even if the order is returned back to us.Once we received and confirmed your returned item, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you have any problems regarding the refund process, please contact us. service@roymall.com or Whatsapp: +8619359849471>>>Datasheet: Click here to open<<<
<Hardware Specifications:>
Chipset: MCURESSIF-MCU32 240MHz Xtensau00ae single-/dual-core 32-bit LX6 microprocessor
FLASH: QSPI flash 4MB / PSRAM 8MB
SRAM: 520 kB SRAM
Button: Reset
USB to TTL: CH9102F QFN24 / CP2104 / CH340K
Modular interface: UARTu3001SPIu3001SDIOu3001I2Cu3001LED PWMu3001TV PWMu3001I2Su3001IRGPIOu3001capacitor touch sensoru3001ADCu3001DACLNA pre-amplifier
On-board clock: 40MHz crystal oscillator
Working voltage: 2.7V-3.6V
Working current: About 70mA
Sleep current: About 1.1mA
SIM card: Only supports Nano SIM card
Working temperature range: -40u2103 ~ +85u2103
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 Description:>
Standard: FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC
Protocol: 802.11 b/g/n(802.11nuff0cspeed up to150Mbps)A-MPDU and A-MSDU polymerizationuff0csupport 0.4u03bcS Protection interval
Frequency range: 2.4GHz~2.5GHz(2400M~2483.5M)
Transmit Power: 22dBm
Communication distance: 300m
<bluetooth Description:>
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
<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/OTAuff08Through network/host to download and write firmwareuff09
Software Development: Support cloud server development /SDK for user firmware development
Networking protocol: IPv4u3001IPv6u3001SSLu3001TCP/UDP/HTTP/FTP/MQTT
User Configuration: AT + Instruction set, cloud server, android/iOSapp
OS: FreeRTOS
Features:
1. Versatile Connectivity: Equipped with WiFi and bluetooth, ensuring seamless wireless communication.
2. Reliable Antenna: Built with an FPC antenna for enhanced signal transmission and reception.
3. SIM Card Compatibility: Supports SIM cards, enabling easy access to cellular networks for data transmission.
4. User-friendly Design: Compact and portable module, offering convenience and ease of use.
5. High-Quality Build: Manufactured with precision and attention to detail, ensuring durability and reliability.
Package Include:
1x T-Call Module Board
1x Power Cable
2x Pin
1x Antenna
