
WLAN 
| Standards: | IEEE 802.11b/g | 
| Diffusion Modulation: | DS: 802.11b | 
| 
 | DS/OFDM: 802.11g | 
| Frequency: | 802.11b/g:  | 
| Transmission Rate: | 802.11b: Max. 11 Mbps | 
| 
 | 802.11g: Max. 54 Mbps | 
| Communication Range: | 50 m indoors, 150 m outdoors (varies according to usage | 
| 
 | environment and transmission rate) | 
| GSM  | |
| Standard: | GSM release 99 | 
| Communication functions: | Packet data | 
| Packet: | GPRS (General Packet Radio Service) | 
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 | |
| 
 | Mobile station class B | 
| 
 | Coding scheme  | 
| 
 | EDGE/EGPRS | 
| 
 | |
| 
 | Mobile station class B | 
| 
 | Coding scheme  | 
| Modulation system: | |
| Wireless frequencies: | GSM 850: | 
| 
 | Uplink: 824~849 MHz | 
| 
 | Downlink: 869~894 MHz | 
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 | |
| 
 | Uplink: 880~915 MHz | 
| 
 | Downlink: 925~960 MHz | 
| 
 | GSM1800: | 
| 
 | Uplink: 1710~1785 MHz | 
| 
 | Downlink: 1805~1880 MHz | 
| 
 | GSM1900: | 
| 
 | Uplink: 1850~1910 MHz | 
| 
 | Downlink: 1930~1990 MHz | 
| No. of channels: | GSM 850: 124 | 
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 | |
| 
 | GSM1800: 374 | 
| 
 | GSM1900: 299 | 
| Channel interval: | 200 KHz | 
| Channel bandwidth: | 200 KHz | 
| Output: | GSM 850: 33 dBm | 
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 | |
| 
 | GSM1800: 30 dBm | 
| 
 | GSM1900: 30 dBm |