GSM mobile networks are everywhere around the world but depending on where a mobile phone is located, regrettably the quality of the GSM signals differ significantly from excellent to poor. The item in auction is designed to address the signals strength issue by boosting the signals in two directions (Full Duplex) :
1. signals transmitted from a mobile phone are received by the GSM booster over the air via the booster's indoor antenna and these signals are amplified and retransmitted over the air via the booster's outdoor antenna to a nearby cellular phone site .
2. signals transmitted from a cellular phone site are received over the air by the GSM booster via the booster's outdoor antenna and these signals are amplified and retransmitted over the air via the booster's indoor antenna to a mobile phone.
The GSM Booster can be viewed as an intermediate agent to help to set up a reliable wireless link between a mobile phone and the GSM mobile networks infrastructure.
The Booster is particularly useful in zones with poor GSM coverage such as basements, car parks and tunnels. It can also be used in offices, homes, supermarkets, cinemas and hotels etc to enhance the GSM signals for better GSM voice and data communications.
AT-800 is specifically designed for indoor uses.
Technical Specifications
Up-link Frequency: 890-915MHz
Down-link Frequency: 935-960MHz
Up-link Gain: 70 dB
Down-link Gain: 80 dB
Spurious emission of out-band: <-40dBm
Impedance: 50 ohm
Power supply : AC 220V (country specific wall plugs adapter provided)
Working temperature: -25 to +55 C
Humidity: 5-95%
Please note that the Booster works for GSM networks operating at the GSM standard frequencies shown below.
Up Link: 890-915 MHz
Down Link: 935-960 MHz
Coverage: approx. 1200 square meters indoor
SAPO Speed Services: R55.00
