- Boost GSM 1900mhz cell signal to make calls and send txt.
- Coverage up to 2100sqft,supports 50 simultaneous users,No more dropped calls.
- Installation point: keep indoor and outdoor antenna far away from eachother and not pointed at eachother,to avoid interference.
- Guarantee: 30 days customers satisfaction, 3 months free replacement, 5 year manufacturer warranty.
- Before purchase, please check your cell phone signal frequency. Because each carrier operator has different frequency. If you are not sure, please tell us your signal carrier and signal type(2g 3g or 4g), we will help you. Or you can to check: https://www.frequencycheck.com/carriers
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