Parameter |
|
| Mode |
|
| Limit |
|
|
|
|
|
|
|
VCC Supply voltage |
|
| Nominal |
|
| 3.6 V |
|
|
| Min |
|
| 3.2 V |
|
|
| Max |
|
| 4.5 V |
|
|
| Absolute maximum |
|
| |
|
|
| voltage range |
|
| |
|
|
|
|
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| |
|
|
| Maximum supply ripple |
|
| <100mV @<200kHz |
|
|
|
|
| <20mV @>200kHz | |
|
|
|
|
|
| |
Maximum allowable voltage drop |
| Transmission burst |
|
| 200mV | |
Maximum current consumed |
|
| Full power (2W) transmit |
|
| 2250 mA (peak) |
|
|
|
|
|
| 2100 mA (avg) |
!
WARNING
Stresses in excess of the absolute maximum limits can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the normal Min & Max values stated. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability.
10.3 | Radio specifications |
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| Feature |
| GSM850 |
|
|
|
| GSM1800 |
|
| GSM1900 | |||
|
| Frequency range (MHz) | |||||||||||||
|
| Maximum power |
| 33dBm (2W) |
| 33dBm (2W) |
| 30dBm (1W) |
|
| 30dBm (1W) | ||||
|
| Antenna impedance |
|
|
|
|
| 50 ohms |
|
|
| ||||
10.4 | SIM card |
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| |
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| Parameter |
|
|
|
|
| 1.8V |
|
|
| 3.0V |
|
| 5.0V |
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| External SIM support |
|
|
|
|
| Yes |
|
|
| Yes |
|
| No |
|
| Integrated SIM support (optional) |
|
|
| Yes |
|
|
| Yes |
|
| No | ||
LZT 123 1834 | 86 |