T-Deck Pro Highlights at a Glance
✅4G module
✅Bosch BHI260AP Self-Learning AI Smart Sensor with Integrated IMU
✅3.1-inch e-paper touch screen
✅PMU chip
✅3.5 headphone jack
✅Extended Qwiic function module interface
This is version A7682E (4G). The main difference between the PCM5102A and the A7682E 4G is the voice function: The audio of the A7682E 4G version can only be driven based on the A7682, while the PCM5102 version can be driven directly through the ESP32-S3.
Specifications
| MCU | ESP32-53FN16R8 Dual-core LX7 microprocessor |
| Wireless Connectivity | 2.4 GHz Wi-Fi, Bluetooth 5 (LE) |
| Development | Arduino, Platform0-IDE, ESP-IDF |
| Option | A7682E/ PCM5102A |
| Flash | 16MB |
| PSRAM | 8MB |
| Onboard functions | GPS, TF Card, Microphone, Speaker |
| Lora Chip | SX1262 |
| Battery (Built-in) | 1400 mah |
3.1 inch E-Paper Ultra Wide Viewing Low Power
| Resolution | 320×240 |
| Drive Chip | GDEQ031T10 |

Tech Support
ℹ️Product information Technical support |

RAK LILYGO Heltec & Developer Board Warranty Policy – Rokland
Dev Board Return Policy
Development boards are specialty items that generally cannot be resold on return, especially if the firmware has been flashed. Defective boards can be replaced or returned for refund within 30 days of purchase. Non-defective boards can be returned in the same time frame if in like-new condition with a 20 percent restocking fee applied. If the board has had altered firmware or became bricked due to a non-standard firmware flash, the board may not be eligible for return.
Sales tax is required in many states and will be added at checkout if applicable to your delivery state. Tax exempt forms can be sent to our support department.














