Shenzhen Liangfeng Technology Co., Ltd.
| Packaging Details | BOX |
| Product name | GSM Landline Phone |
| Type | Digital Cordless Phone,GSM |
| Color | Black,Black\white |
| Warranty | 1 Year,One Year,12 months |
| Working frequency | 850/900/1800/1900MHz,GSM900/1800/850/1900MHz |
| Frequency band | 850/900/1800/1900MHZ,GSM900/1800MHZ |
| Language | Multi-language,English/customized languages,Chinese/english/spanish,Chinese & English or Customize,English |
| Antenna | TNC |
| Frequency | GSM 850/900/1800/1900Mhz Quadband,2G/3G/4G,B1/B2/B3/B4/B5/B7/B8/B28 |
| Sms | Support,Yes |
| Function | Call-back Function,Multi-language,Re-dial,Hands-free,Phone-book |
| Back up battery | 1000mAh |
| Size | 200*218*54mm |
| Battery | 1000mah li-ion battery |
| Sim card | 2 SIMs is available |
| site | shenzhen |
| Brand Name | DLNA |
| Model Number | DLNA ZT1500+ |
| Place of Origin | shenzhen |
View Detail Information
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Product Specification
| Packaging Details | BOX | Product name | GSM Landline Phone |
| Type | Digital Cordless Phone,GSM | Color | Black,Black\white |
| Warranty | 1 Year,One Year,12 months | Working frequency | 850/900/1800/1900MHz,GSM900/1800/850/1900MHz |
| Frequency band | 850/900/1800/1900MHZ,GSM900/1800MHZ | Language | Multi-language,English/customized languages,Chinese/english/spanish,Chinese & English or Customize,English |
| Antenna | TNC | Frequency | GSM 850/900/1800/1900Mhz Quadband,2G/3G/4G,B1/B2/B3/B4/B5/B7/B8/B28 |
| Sms | Support,Yes | Function | Call-back Function,Multi-language,Re-dial,Hands-free,Phone-book |
| Back up battery | 1000mAh | Size | 200*218*54mm |
| Battery | 1000mah li-ion battery | Sim card | 2 SIMs is available |
| site | shenzhen | Brand Name | DLNA |
| Model Number | DLNA ZT1500+ | Place of Origin | shenzhen |
| High Light | 1800MHZ desk phone with sim card ，TNC desk phone with sim card ，TNC hands free landline phone | ||
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.
Company Details
Business Type:
Manufacturer
Year Established:
2015
Total Annual:
700,0000-1000,0000
Employee Number:
50~120
Ecer Certification：
Verified Supplier
Shenzhen Liangfeng Technology Co., Ltd. is a company specializing in the production and processing of wireless landlines, mobile phones, electronic components and other products, with a complete and scientific quality management system. Shenzhen Liangfeng Technology Co., Ltd. is keeping up wi... Shenzhen Liangfeng Technology Co., Ltd. is a company specializing in the production and processing of wireless landlines, mobile phones, electronic components and other products, with a complete and scientific quality management system. Shenzhen Liangfeng Technology Co., Ltd. is keeping up wi...
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