Product Info

LTE Standard Module Series
EC25 Mini PCIe Hardware Design
EC25_Mini_PCIe_Hardware_Design
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6.3. I/O Requirements
The following table shows the I/O requirements of EC25 Mini PCIe.
Table 22: I/O Requirements
1. The PCM and I2C interfaces belong to 1.8V power domain and other I/O interfaces belong to
VCC_3V3 power domain.
2. The maximum voltage value of V
IL
for PERST# signal and W_DISABLE# signal is 0.5V.
6.4. RF Characteristics
The following tables show the conducted RF output power and receiving sensitivity of EC25 Mini PCIe
module.
Table 23: Conducted RF Output Power of EC25 Mini PCIe
Parameter Description Min. Max. Unit
V
IH
Input High Voltage 0.7 × VCC_3V3 VCC_3V3 + 0.3 V
V
IL
Input Low Voltage -0.3 0.3 × VCC_3V3 V
V
OH
Output High Voltage VCC_3V3 - 0.5 VCC_3V3 V
V
OL
Output Low Voltage 0 0.4 V
Frequency Bands Max. Min.
GSM850/EGSM900 33dBm±2dB 5dBm±5dB
DCS1800/PCS1900 30dBm±2dB 0dBm±5dB
GSM850/EGSM900 (8-PSK) 27dBm±3dB 5dBm±5dB
DCS1800/PCS1900 (8-PSK) 26dBm±3dB 0dBm±5dB
WCDMA bands 24dBm+1/-3dB < -49dBm
NOTES