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The TTGO T-Call is a new ESP32 development board that combines a SIM800L GSM/GPRS module. The new board combines ESP32 WiFi & Bluetooth WiSoC with SIMCom SIM800L GPRS module, and also happens to rely on a USB-C port for power and programming instead of the more common micro USB port on this type of hardware. It can also be a standalone board with a built-in battery charging that supports up to 500mA.
| Specification | |
|---|---|
| Made in | China |
| Item type | GPRS Module |
| Dimension | |
| Mount style | |
| Life expectancy | |
| Cable length | |
| Connector width | |
| Heart rate monitoring | |
| Portable ecg | |
| Bioelectricity signal collection | |
| Reception distance | |
| Maximum holding size | |
| Lightweight | Yes |
| Stall torque | |
| Line length | |
| Big lcd display | |
| Waterproof | |
| Heat resistance | |
| Pressure resistance | |
| Cold resistance | |
| Charging method | |
| Load short-circuit protection | |
| Built in antenna | |
| Bluetooth version | |
| Signal coverage | |
| Transmission distance | |
| Transmitting coil size | |
| Transmitter module size | |
| Receiving coil size | |
| Receiver module size | |
| Plug and play | |
| Connector diameter | |
| Low current consumption | |
| Fully static operation | |
| Connector size | |
| Communication distance | 300 M |
| Module size | |
| Insulation resistance | |
| Head style | |
| Easy to use | Yes |
| Easy to store | Yes |
| Easy to install | Yes |
| Filament diameter | |
| Eco friendly | Yes |
| Non toxic | Yes |
| Odorless | |
| Moisture resistance | |
| Machine size | |
| Printing size | |
| Moulding technology | |
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