📡 GSM Channels Quiz

900 MHz, 1800 MHz & Extended GSM Bands

GSM-900

Uplink: 890-915 MHz
Downlink: 935-960 MHz
124 channels, 200 kHz spacing

DCS-1800

Uplink: 1710-1785 MHz
Downlink: 1805-1880 MHz
374 channels, 200 kHz spacing

Extended GSM

Uplink: 880-915 MHz
Downlink: 925-960 MHz
174 channels (E-GSM)

0/15

Quiz Completed!