TTGO T-Call V1.4 SIM800H Development Board ESP32 Wireless Module SIM Antenna WiFi bluetooth Expand Board for Arduino
- Description
Specification:
Chipset: ESPRESSIF-ESP32 240MHz Xtensa single/dual-core 32-bit LX6 microprocessor
Flash: QSPI flash 4MB
SRAM: 520 kB SRAM / PSRAM 8MB
Button: Reset
USB to TTL: CP2104
Modular Interfaces: UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touch sensor, ADC
On-board Clock: 40MHz crystal oscillator
Working Voltage: 2.7V-3.6V
SIM Card: Only supports Nano SIM card
Working Temperature Range: -40°C to +85°C
Size & Weight: 75.15 x 30.64 x 10.70mm (14.5g)
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 (Over-the-Air) for firmware updates
Software Development: Supports cloud server development and SDK for user firmware development
Networking Protocol: IPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTT
User Configuration: AT+ instruction set, cloud server, Android/iOS app
Operating System: FreeRTOS
Package Include:
1 X T-Call SIM800H
1 X Power Cable (PH 2pin 2.0mm)
1 X SIM Antenna (7cm)
2 X Pin
- Reviews (0)
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- Q & A
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: Where is the origin of Elecbee products? Are they certificated?2023-03-03
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Answer:
Elecbee has long-term cooperation agreements with the OEM factories in China. So that we are able to reduce the intermediate channel cost, and help you save money. Our products are all made strictly according to the relative global standard, to ensure the products have good compatibility and excellent quality.
2023-03-03
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: What forms of payment do you accept?2023-03-03
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Answer:
Our main payment methods include Paypal, Credit Cards, Debit Cards, Bank Transfer, and more to discover. Please choose the payment methods in your favor.
2023-03-03
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: When will you arrange shipment?2023-03-03
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Answer:
After confirming receipt of your payment. We will arrange the delivery as soon as possible and upload the courier number to the website for you to track.
2023-03-03
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: How to exchange or return?2023-03-03
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Answer:
1. You can apply to return within 30 days after receipt of the goods. Please make sure the outside package is intact, and the product is in its original condition. We will arrange your refund according to the relevant provisions once the package is received.
2. Return process: You Apply for a Return - Approve the Return - Arrange a Return - Receive the Products and make Inspection - We arrange a Refund;
3. We will bear the freight charges for returns caused by us, for instance, the quality problem. As to returns caused by the buyer, the buyer should be responsible for the shipping fee.
2023-03-03