Portable mobile phone signal shield
1. Please charge it for about 3 hours before using it for the first time.
2. When charging, please put the Power switch in the position of OFF. At this time, the charge LED indicator shows red, until the indicator is completely full when it is out.
3. When the antenna is installed, according to the silk print instructions before the antenna socket, it should be installed one by one and determined to be tight, long-to-long, short-to-short. CDMA/GSM antenna is the longest, DCS/PHS antenna is medium length, and GPS antenna is the shortest.
4. When the power switch is placed on ON, the power LED displays green and the device starts to work.
5. The coverage of the device will vary according to the actual field strength of the mobile phone signal.
6. Avoid putting it on or beside metal objects when using, so as to avoid the effect of absorption resulting in poor effect.
Technical Indicators
Output Power Channel Output Power at Output Operating Frequency Band
GSM/CDMA 870-960MHz 30dBm 2dBm
DCS/PHS 1805-1850MHz 30dBm 3dBm
GPS 1575.5MHz 29dBm 5dBm
3G 2110-2170MHZ 29dBm 3dBm
Power supply: AC110V/220V-DC12V blocking radius: 1-20m (depending on the signal intensity on site)
Built-in battery: 2500mA/h output power: 2700mW
Weight: 300g size (long X width X height): 62X32X112mm
Matters needing attention:
1. Do not place the equipment near the high temperature stove.
2. Do not turn on the power supply of the equipment and place it next to the computer, TV, audio, radio, etc. in order to avoid interference.
3. Do not turn on the power supply when the antenna is not installed.
4. If the antenna is not properly installed according to the instructions, the coverage effect is not good. Make sure that the antenna is properly installed and tightened before use.
5. The equipment uses safe and reliable rechargeable batteries. If the number of recharges exceeds the number of times, please replace the new batteries.
