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What Do Our Customers Say?
good product, good price, fast shipping! "

mhmood

good, reasonable for this price, thanks daisy's recommend. "

Carlo

Just tell them the frequency bands that I want to block, soon they told me that this 3G/4G All Frequency Portable Cell Phone Jammer can meet with my requirements. Have bought one and always works well. "

Teddy Newland


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Can Your Cellphone Be Used In My Country?

Please pay attention to the band of cellphone,some kinds of cellphone may can not be used in your country.The band means the frequency that cellphone support.

CHINAJIAHO.com sells no contract unlocked cell phones for every geographical region worldwide. Each region is supported by a certain GSM bandwidth. Please make sure the phone you choose uses a bandwidth frequency compatible with your geographical region:

Region

GSM Bandwidth Frequency

US  & Canada

850MHz/1900MHz

Europe

900MHz/1800MHz

South America

850MHz/1900MHz

Australia

900MHz/1800MHz

Middle East

900MHz/1800MHz

Southeast Asia

900MHz/1800MHz

Africa

900MHz/1800MHz

 

Quad Band Phones: Work for all four GSM frequencies and are unlocked for worldwide use.
Tri-Band Phones:
Work for GSM frequencies 900/1800/1900 MHz. Phones should work in most regions, with limited coverage in the U.S., Canada, and the Americas.
Dual Band Phones:
Work for GSM frequencies 900/1800 MHz and cannot be used in the U.S. or Canada.

Network frequency support: GSM network 850/900/1800/1900 MHz.
Please confirm with your carriers or providers before buying this item. To check the specific network frequency for your carrier and region, please click here http://www.gsmworld.com/roaming/gsminfo/index.shtml.




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