> 5.1 | Characteristics of the Power Supply

> Table 26: | Characteristics of the power supply

> Parameter | Description | Conditions | Min | Typ | Max | Unit
> V POWER | Operating Voltage | for one minute | 8 1 | 12 | 30 | V
> |  | 33 | V
> I POWER | Average supply current (average time 3 min.) @25°C @ worst case: GSM 900 max power level | Power Down mode | @8V |  | 0.45 |  | mA
> @12V |  | 0.50 |
> @30V |  | 0.80 |
> SLEEP mode | @8V |  | 40 |  | mA
> @12V |  | 29 |
> @30V |  | 18 |
> IDLE mode | @8V |  | 50 |  | mA
> @12V |  | 36 |
> @30V |  | 21 |
> TALK mode | @8V |  | 277 |  | mA
> @12V |  | 184 |
> @30V |  | 82 |
> Data GPRS 1Tx / 4Rx | @8V |  | 260 |  | mA
> @12V |  | 173 |
> @30V |  | 77 |
> Data GPRS 2Tx / 3Rx (Power reduction = 3dB) | @8V |  | 378 |  | mA
> @12V |  | 248 |
> @30V |  | 108 |
> Data GPRS 4Tx / 1Rx (Power reduction = 6dB) | @8V |  | 500 |  | mA
> @12V |  | 330 |
> @30V |  | 140 |
> I POWER_P 2 | Peak supply current during transmission slot (577µs * No. of Tx every 4.6ms) | Power control level for Pout max | @8V |  | 1500 |  | mA
> @12V |  | 910 |
> @30V |  | 340 |
> t PLUS-Fail | Allowed power fail time without terminal reset or power down | After this time the Terminal will be reset or switched off |  |  | 1 | ms
> Allowed power fail time without RTC reset | Backup Battery not connected, After this time the RTC will be reset |  | 6 |  | s

> 1
> Lowest voltage (minimum peak) incl. all ripple and drops >7.6V including voltage drop, ripple and spikes, measured at western jack (6-pole) pin (1 to 6)
> 2
> Typical values measured with antenna impedance = 50Ohm (return loss >20dB)
> Maximum values measured with mismatched antenna