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LILYGO® TTGO T-Call&SIM800C-DS V02 ESP32 WIFI Bluetooth Nano Card Slot SIM800C Module Development Board Hardware.
Product Description
| Hardware Specifications | |
| Chipset | ESP32-WROVER-B |
| SIM Type | SIM800C |
| FLASH | 4MB |
| PSRAM | 8MB |
| SRAM | 520 kB SRAM |
| Button | Power Switch,Reset |
| External port | SIM Antenna,MIC,Speaker |
| USB to TTL | CP2104 |
| On-board clock | 40MHz crystal oscillator |
| Working voltage | 2.7V-3.6V |
| SIM card | Only supports Nano SIM card |
| Working temperature range | -40℃ ~ +85℃ |
| Size&Weight | 74.78*24.75*10.6mm(13.2g) |
| Power Supply Specifications | |
| Power Supply | USB 5V |
| Charging current | The charging current is programmable and self-adjustable (default 500mA) |
| Battery | 3.7V lithium battery |
| JST Connector | 2Pin 2.0mm |
| 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 polymerization，support 0.4μS 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 |
| 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/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 |
More Information
https://github.com/Xinyuan-LilyGO/LilyGo-T-Call-SIM800
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1. T-Call&SIM800C-DS V02 Version