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[China]
Trade Verify
Address: 8CD, Building A, Jinfeng Building, Shangbu South Road, Futian District, Shenzhen, Guangdong
Contact name:chen
Shenzhen Liangfeng Technology Co., Ltd. |
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Verified Suppliers
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High-Quality Industrial Modules GSM Landline Phone Support Hands-Free
GSM Landline Phone Precautions:
1. This product should not be used near garages, oil depots,
chemical plants or any flammable and explosive items.
2. This kind of phone should be avoided in the hospital, it will
interfere with medical electronic equipment, such as pacemakers and
earphones.
3. If you find that the phone cannot successfully log in to the
network, please check whether your SIM card or antenna is installed
properly.
4. When using the phone (making calls or answering calls), it is
forbidden to touch the antenna, otherwise the phone will be
damaged. Such damage is not covered by the warranty.
GSM Landline Phone Common Problems And Reasons:
| Symptoms | Possible Reason |
| Unable to start | 1. The battery is not installed 2. The battery is low and the power adapter is not connected |
| Wrong PIN code | 1. The SIM card is inserted incorrectly 2. The SIM card is locked and requires professionals to initialize the phone |
| Dropped Lines in Communication | 1. Low battery 2. Weak signal strength |
| low volume | In the call state, press the up and down keys to adjust the volume |
GSM Landline Phone Installation Method:
1. Please connect the antenna, insert your SIM/R-UIM card and
install the handle;
2. Plug in the power supply, press the red button for 3-5 seconds
or press the ON/OFF button on the back of the phone, then the
backlight of the LCD screen will light up;
3. It takes about 10 seconds for your wireless mobile phone to
search and register the network. You will then see the name of your
network provider/carrier, signal status, time and date, and battery
status on the LCD, which means your wireless phone is getting
connected Installed and you can use your wireless phone.
