KE508 is a metal expansion valve from King Fook. It is made of new materials and has super elasticity, which can withstand higher pressure.
This manual provides detailed instructions for using the KE508 mobile phone, including basic functions such as making calls, adjusting volume, and navigating menus. It also outlines safety precautions for various environments, such as aircraft, vehicles, and hazardous locations.
Technical information such as supported network bands, operating temperature limits, and SAR values are listed, along with guidance on proper battery and charger usage to ensure safe and reliable operation. This manual is written in Chinese.
| Supported Networks | GSM 900 / DCS 1800 / PCS 1900 |
|---|---|
| Operating Temperature | +55°C (max) / -10°C (min) |
| SAR (handheld) | 0.443 W/kg (10 g) |
| SAR (body worn) | 0.245 W/kg (10 g) |
Yes, the manual states that the phone must be turned off while on an aircraft.
Only original, approved batteries and chargers that match the specific phone model should be used.