In order to determine the best amplifier for your home or small office you will need to determine the signal strength and frequency. Select the parameter that best describes the outside signal strength for your cell phone.
Outside Signal Strength
1. 4-5 Bars
2. 3-4 Bars
3. 2-3 Bars - Select Frequency: 800mHz 1900Mhz or Both 800 & 1900MHz
4. 1-2 Bars - Select Frequency: 800MHz 1900Mhz or Both 800 & 1900MHz
5. No Signal - Contact Us or complete the Site Survey & email to info@extendcellrange.com
To determine the frequency for your cell phone:
- Go to http://www.wirelessadvisor.com/
- In the “Find Service” section, please input your zip code and click submit.
- Find your cell phone service company and in the system section find out your frequency.
- Please note that if your frequency is 850MHz / Cellular, you should choose A;if your frequency is 1900MHz / PCS, you should choose B;If some of your phones satisfy choice A and some satisfy choice B, then you should select C.
| 
