4. TECHNICAL SPECIFICATIONS
4.1. Tx Characteristics
All data is applicable to E-GSM 900 and GSM 1800 except where stated.
4.1.1. Frequency Error
±0.1 ppm max., relative to base station frequency.
4.1.2 Modulation Phase Error
RMS: Equal to or less than 5 °
Peak: Equal to or less than 20 °
4.1.3. Output RF Spectrum due to Modulation
Offset from Centre Frequency (kHz)
±100
±200
±250
±400
±600 to 1800
4.1.4. Output RF Spectrum due to Switching Transients
Offset from Centre Frequency (kHz)
±400
±600
±1200
±1800
Measurement conditions for output RF spectrum measurements:
Frequency Span
Measurement Bandwidth:
Video Bandwidth:
Average (Modulation)
Peak Hold (Switching)
0 Hz
30 kHz
30 kHz (modulation)
100 kHz (switching)
over 200 burst
over 10 burst
Maximum Level Relative to Carrier (dB)
+0.5
–30
–33
–60
–60
Maximum Level (dBm)
E-GSM 900
–19
–21
–21
–24
– 4-1 –
GSM 1800
–22
–24
–24
–27