I/O Requirements; Rf Characteristics - Quectel EG25-G Hardware Design

6.3. I/O Requirements

The following table shows the I/O requirements of EG25-G Mini PCIe.
Table 20: I/O Requirements
Parameter Description
V Input High Voltage
IH
V Input Low Voltage
IL
V Output High Voltage
OH
V Output Low Voltage
OL
NOTES
S
1. The PCM and I2C interfaces belong to 1.8 V power domain and other I/O interfaces belong to
VCC_3V3 power domain.
2. The maximum voltage value of V

6.4. RF Characteristics

The following tables show the conducted RF output power and receiving sensitivity of EG25-G Mini PCIe
module.
Table 21: EG25-G Mini PCIe Conducted RF Output Power
Frequency Bands
GSM850/EGSM900
DCS1800/PCS1900
GSM850/EGSM900 (8-PSK)
DCS1800/PCS1900 (8-PSK)
WCDMA B1/B2/B4/B5/B6/B8/B19
LTE-FDD B1/B2/B3/B4/B5/B7/B8/B12
EG25-G_Mini_PCIe_Hardware_Design
Min.
0.7 × VCC_3V3
-0.3
VCC_3V3 - 0.5
0
for PERST# signal and W_DISABLE# signal is 0.5 V.
IL
Max.
33 dBm ± 2 dB
30 dBm ± 2 dB
27 dBm ± 3 dB
26 dBm ± 3 dB
24 dBm +1/-3 dB
23 dBm ± 2 dB
LTE Standard Module Series
EG25-G Mini PCIe Hardware Design
Max.
VCC_3V3 + 0.3
0.3 × VCC_3V3
VCC_3V3
0.4
Min.
5 dBm ± 5 dB
0 dBm ± 5 dB
5 dBm ± 5 dB
0 dBm ± 5 dB
< -49 dBm
< -39 dBm
Unit
V
V
V
V
39 / 54