Nokia 8890 - Manual (Page 124)

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Technical information
19. Technical information
Weight 3.2 oz. with BLB-2 battery
Transmitting power GSM900, 2 W nominal
GSM1900, 1 W nominal
Operating voltage 3.6V DC
12V DC for car kit
Networks EGSM 900 and GSM 1900
Frequency band GSM900:
890 to 915 MHz (TX)
935 to 960 MHz (RX)
GSM1900:
1850 to 1910 MHz (TX)
1930 to 1990 MHz (RX)
EGSM:
880-890 MHz (TX)
925-935 MHz (RX)
Number of channels EGSM: 50
GSM 900: 124
GSM 1900: 299
Memory locations 250 in phone