TDMAX Dual Band Signal Booster | 850MHz 1800MHz Mobile Phone Signal Booster | 2G 3G 4G Mobile Repeater

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  • $195.00
  • Regular price $249.00
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This booster works with both voice and data services of all GSM 850MHz, UMTS (WCDMA) 850MHz, 4G LTE FDD 850MHz & GSM 1800MHz, 4G LTE FDD 1800MHz networks. 

850/1800MHz booster works in Australia, New Zealand, South-East Asian Countries and Southern American countries. Customers from Europe and 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: 20dBm

Repeater Gain: 70 dB


Outdoor Log Periodic Antenna Gain: Max. 9dBi

​Indoor Panel Antenna Gain: Max. 8dBi

Power Supply: AC 100V - 240V 

Impedance: 50 ohms

Working Voltage: DC 5V

Working temperature: -15 to 55 degrees Centigrade 

Dimension: Appr. 225*130*26 (mm)


Package Contents:

1x Dual Band 850/1800MHz Signal Booster

1x Directional Outdoor Log Periodic Antenna

1x Directional Indoor Panel Antenna

1x 10 meters 50ohms Cable

1x 5 meters 50ohms Cable

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.