U82 is a wireless radio connection module launched by Shanghai Sibocom Electronic Technology Co., Ltd. It uses a high-performance 32-bit Arm Cortex-M3 processor, supports WiFi 4, WiFi 5, Bluetooth 5.0 and NB-IoT protocols, and covers the working frequency bands of 2.4GHz, 5.8GHz and 920MHz. U82 also integrates rich interfaces, including I2C, SPI, UART, GPIO, ADC, DAC and CAN, etc., which can be widely used in the fields of IoT, smart home, industrial control, medical care, etc.
The OPSSON U82 is a color‑screen GSM/GPRS digital mobile phone. This manual introduces the phone’s hardware, key functions such as camera, music player, video recorder, and network services, and explains how to operate its various menus and settings.
Safety information covers general precautions, proper handling of the battery and charger, SIM‑card insertion, and guidelines for use near vehicles, medical devices, and hazardous environments. The manual also details how to configure network, security, and personal settings, as well as troubleshooting common issues. This manual is written in Chinese.
| Network type | GSM/GPRS |
|---|---|
| Display | Color screen |
Insert the SIM card into the slot as shown in the manual; to remove it, follow the same steps in reverse.
Immediately contact the telecom provider or the sales outlet to disable the SIM card and protect yourself from unauthorized use.
Activate the phone’s flight mode setting before boarding an aircraft to prevent the device from transmitting signals.