Radio interface/frequency

Radio Interface:

Frequency bands:

GSM 900:  

-890 – 915 MHz: Uplink (MS transmit)

-935 - 960 MHz: Downlink (MS receive)

GSM 1800:

-1710 - 1885 MHz: Uplink

-1805 - 1880 MHz: Downlink

Carrier bandwidth           :               200 kHz

Channels / carrier            :               8

Multiple accesses            :               TDMA / FDMA

Duplex                                  :               FDD

Gross bit rate pr carrier :               270,833 kbit/s

Modulation                        :               GMSK

Spectrum efficiency        :               1.35 bps/Hz

 

Radio Parameters:

MS:

-Sensitivity: -104 (-102) dBm

-Typical – 106 dBm

-Max. output power: 33 (30) dBm

BTS:

-Sensitivity: -104 (-104) dBm

-Typical: – 107 dBm

-Max. output power: 43 dBm