Welcome to Bossgoo.com, Join Free | Sign In | My Bossgoo
Home » Products » GPS Tracker » Personal GPS Tracker » Elderly Cell Phone Big KeyBoard

Elderly Cell Phone Big KeyBoard

Unit Price: USD 30 - 37 / Piece/Pieces
Payment Type: L/C,T/T,Paypal,Western Union
Incoterm: EXW
Min. Order: 10 Piece/Pieces
Delivery Time: 3 Days

Basic Info

Model No.: K20

Type: GPS Tracker

Use: Hand Held

Operating Principle: Interferometric Type

Port Number: Multichannel

Model: Integration Type

Carrier Frequency: Dual-Frequency


Certification: ISO2000, ISO14001, ISO/TS16949

Color: White&Blue

Battery Capacity: 2000mAh

DC Dimensions (mm): 115.5(L)X54.2(W)X16.4(H)

Hot/Warm/Cold Start Time: <3s, <15s, <60s

GPS/LBS Positioning Accuracy: 5m-15m / Above 200m

Working Voltage: 3.7V

Antenna: Built-in GPS Ceramic Antenna; GSM Quad-band

Working/Standby Current: 40mA

Function: GPS/LBS Tracking,SOS,Listening,Two Ways Calling

Net Weight: 110g

Additional Info

Packaging: Standard package

Productivity: 100,000pcs/month

Brand: Keelin

Transportation: EXPRESS

Place of Origin: ShenZhen, China

Supply Ability: 300,000pcs/month

Certificate: CE,CCC,PTCRB,FCC

HS Code: 8526911000

Port: Shenzhen

Product Description

K20 GPS Phone Tracker for Tracking & SOS PLATFORM/APP:
■ Real-time Tracking
■ Route Play Back
■ SOS Alarm
■ Listen
■ Pedometer
■ Speed Alarm
■ Geo-fence Alarm
■ Low Battery Alarm

K20 is a GPS Phone Tracker for elder, if you are finding GPS Phone with Tracking & SOS Function, Free Cell Phone Tracker, Free Cell Phone Tracking Location, Free Mobile Phone Tracer, K20 is your best choice .


① Automatic Handsfree,mobile phone as well as gps tracker,special for the elder
② High flashlight, Large font, Loud voice, support TF card, Loud speaker of music and radio
③ High-accuracy GPS chip, GPS/LBS intelligent switching to realize accurate position
④ Keelin Tracking Service Platform, Keelin APP Client, SMS query
⑤ Remotely monitor, SOS alarm and many useful alarms/alerts
⑥ Call straight line to the elder (can get through even not answering the phone)
⑧ Built-in pedometer, daily activity of the elder is clearly seen from APP mobile client

GPS Phone Tracker for Tracking & SOS
Please recharge K20 when receive a low battery alarm.


■ Supports quad bands,i.e. 850/900/1800/1900MHz, universal in the world.
■ GPS / LBS Double locating mode , support A-GPS
■ Keelin Tracking Service Platform, Keelin APP Client, SMS query
■ Eler phone, big font, big botton, big speaker, 
■ One key to family , NiceDial
■ One Key SOS, Healthy management
■ High-capacity lithium battery, long standby 
■ A key flashlight, FM radio, pedometer
■ GPS time, real-time latitude and longitude coordinates, altitude
■ Locally record GPS track to generate PLT file
■ Support EELINK protocol, can be integrated to any platform of the customer's
■ OTA upgrade firmware.

Free Cell Phone Tracker

Free Cell Phone Tracking Location

Free Cell Phone Tracking LocationFree Mobile Phone Tracer
Free Mobile Phone Tracer
Free Mobile Phone Tracer

User-Instructions K20

Menu or Setting of different interface
Shortcut to[Call Record"

Back, clear, hang, Long press for power on/off
Shortcut to [Phone Book"
Left or page up,Shortcut to [Music"
Right or page down, shortcut to [Pedometer"
Main Interface, OK, Enter, Choose
To Main Interface, Long press for shortcut to FM
Short press for Talking Clock
Long press for SOS alarm,will dail the administrator
Down to lock the keybord
UP to unlock the keybord

GPS positioning accuracy

5-15m (Depend GPS signal)

GSM positioning accuracy

100-1000 m
(Depending on density of base stations)

GPS Frequency


GSM Frequency


Hot/warm/cold start time


Battery capacity


Dimensions (mm)


Operating temperature


Operating humidity




Keelin terminal monitoring platform is designed by EELINK, we can track, playback the device on the platform server.

GPS Tracking Platform

Keelin APP


*All products have been strictly Quality Checked in house before packing. 

*All products have been well packed before shipping. 
*One year warranty is provided for all models. We will bear maintenance cost during warranty. 
Shenzhen Eelink Communication Technology Co. Ltd is a creative hi-tech company which focus on GPS tracker R&D and market leading. We offer customization according to different customer's requirements... 
Case two 
We design and customize one tracker used in food transportation industry for an American Logistic Food Transportation Company. This tracker monitors the food temperature all the way during transportation. 
Case Three 
Special Customization GPS Tracker for North American customer. We've got FCC, PTCRB Certificate and the defective rate is less than 0.1%. Sales volume has reached one million till now. 
Case Four 

Customize GPS phone for kids with multiple function of positioning, remote monitoring and radiation protection.

Our Company

EELINK GPS Manufacture

We can provide: GPRS+GPS tracker, WCDMA+GPS tracker, GPRS+Beidou tracker,Plug-in and play OBD vehicle tracker, Plug-in and play OBD diagnostics vehicle tracker, intelligent terminal for real time temperature and humidity checking. Our products are widely used in positioning and tracking vehicle,personal,pet and assets.This will realize the management for vehicle,person and cargo meanwhile the complete care for the elder and child. Eelink can truly understand your specific needs and complete different clients`requirements in terms of new designs, high quality and large production, you will also enjoy the service of internet