TDMAX Dual Band Signal Booster | 850MHz 1800MHz Mobile Phone Signal Booster | Mobile Phone Repeater

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  • $70.00
  • Regular price $130.00
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This booster works with both voice and data services of all CDMA 850MHz, GSM 850MHz, UMTS 850MHz, 4G LTE FDD 850MHz & 2G GSM 1800MHz, 4G LTE FDD 1800MHz networks. 

850/1800MHz booster works in Asia, Australia, Africa, and Southern America. Customers from Europe, Northern America do not buy this item, since there are few 850MHz (Band 5) networks in Europe, and there are no 1800MHz networks in USA, Canada, and Mexico. Anyway, if your shipping address is in Europe or Northern America, but you buy it to use in another country which have both 850MHz and 1800MHz networks, please confirm this in your order message, otherwise, your order won't be shipped, and will be cancelled.

Please check your country's cellular frequency information at, and contact us via to make sure the accurate frequency of your service in your address. Making sure your signal frequency in your address can guarantee that you won't buy the wrong booster. Very important!


Frequency: 824-849MHz (Uplink), 869-894MHz (Downlink)

Frequency: 1710-1785MHz (Uplink), 1805-1880MHz (Downlink)

Output Power: 18-20dBm

Booster Gain: 70dB  (850MHz)

Booster Gain: 65dB  (1800MHz)


Outdoor Antenna Gain: 5dBi

​Indoor Antenna Gain: 3dBi

Power Supply: AC 100V - 240V

Impedance: 50 ohms

Input: AC 100V - 240V, 50Hz - 60Hz

Working Voltage: DC 5V

Working Temperature: -15 to 55 degree centigrade

Dimension: Appr. 187*135*20 (mm)

Package Contents:

1x Dual Band 850/1800MHz Signal Booster

1x Omni-directional Outdoor Antenna /w 10m 50ohms cable

1x Omni-directional Indoor Whip Antenna

1x 5V Power Supply


In order to get satisfying shopping experience, please read the FAQ carefully, and consult us via before purchasing, we will recommend you the most cost-effective signal booster based on your actual situation.