Microsoft Corporation RM-181 用户手册
T e c h n i c a l I n f o r m a t i o n
90
DRAFT
21. Technical Information
Weight
104 grams (3.7 ounces) incl. BL-5B battery
Battery
820 mAh Li-Ion Battery
Networks
Wireless networks GSM 850,
1800 and 1900
1800 and 1900
Size
Volume:
5.2 cubic inches (85 ccm)
Length:
3.6 in (92 mm)
Width:
1.9 in (48 mm)
Thickness: 0.8 in (21 mm)
Frequency range (Rx)
GSM 850: 869 - 894 MHz
GSM 1800: 1805 - 1880 MHz
GSM 1900: 1930 - 1990 MHz
GSM 1800: 1805 - 1880 MHz
GSM 1900: 1930 - 1990 MHz
Frequency range (Tx)
GSM 850: 824 - 849 MHz
GSM 1800: 1710 - 1785 MHz
GSM 1900: 1850 - 1910 MHz
GSM 1800: 1710 - 1785 MHz
GSM 1900: 1850 - 1910 MHz
Tx output power
2 W (max)
Battery voltage
3.7 V DC
Number of channels
GSM 850: 124
GSM 1800: 374
GSM1900: 299
GSM 1800: 374
GSM1900: 299
Memory size
32 MB flash memory
16 MB RAM
16 MB RAM
Operating temperature
59 °F to 77 °F
(15 °C to 25 °C)
(15 °C to 25 °C)