LG GW520 - HW Spec

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Only for training and service purposes
2. PERFORMANCE
GW520 service manual
2.4 HW Spec.
GSM Transmitter/Receiver spec.
Item Specification
Frequency
GSM 850 TX : 824 - 849 MHz RX : 869 - 894 MHz
EGSM TX : 880 - 915 MHz RX : 925 - 960 MHz
DCS TX : 1710 - 1785 MHz RX : 1805 - 1880 MHz
PCS TX : 1850 - 1910 MHz RX : 1930 - 1990 MHz
Phase Error
Rms : 5°
Peak : 20 °
Frequency Error
GSM : 0.1 ppm
DCS/PCS : 0.1 ppm
EMC(Radiated Spurious Emission
Disturbance)
GSM/DCS : < -28dBm
Transmitter Output power and
Burst Timing
GSM : 5dBm – 33dBm ± 3dB
DCS/PCS : 0dBm – 30dBm ± 3dB
Burst Timing <3.69us
Spectrum due to modulation out
to less than 1800kHz offset
200kHz : -36dBm
600kHz : -51dBm/-56dBm
Spectrum due to modulation out
to larger than 1800kHz offset to
the edge of the transmit band
GSM : 1800-3000kHz :< -63dBc(-46dBm)
3000kHz-6000kHz : <-65dBc(-46dBm)
6000kHz < : < -71dBc(-46dBm)
DCS : 1800-3000kHz :< -65dBc(-51dBm)
6000kHz < : < -73dBc(-51dBm)
Spectrum due to switching
transient
400kHz : -19dBm/-22dBm(5/0), -23dBm
600kHz : -21dBm/-24dBm(5/0), -26dBm
Reference Sensitivity – TCH/FS Class II(RBER) : -105dBm(2.439%)
Usable receiver input level range 0.012(-15 - -40dBm)
Intermodulation rejection –
Speech channels
± 800kHz, ± 1600kHz : -98dBm/-96dBm (2.439%)
AM Suppression
- GSM : -31dBm - DCS : -
29dBm
-98dBm/-96dBm (2.439%)
Timing Advance ± 0.5T