> 4.2 | Peak Current during Transmit Burst

> The following table shows the typical peak current consumption during transmit bursts measured in different GSM bands and different modulation schemes at an antenna load of 50 Ohms.

> Table 2: | Typical peak current in transmit burst

> Band | Modulation | Current (Ampere)
> 900 | GMSK | <2
> 900 | 8PSK | 1.2
> 1800 | GMSK | 1.9
> 1800 | 8PSK | 1.3
> 850 | GMSK | <2.2
> 850 | 8PSK | 1.3
> 1900 | GMSK | <1.6
> 1900 | 8PSK | <1.2

> For good performance, the return loss of an antenna should be better than 10dB (within the given frequency range).