User's Manual

Smart Machine Smart Decision
SIM5320ALD_User Manual_V1.01 2014-08-20
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Note: The input signal voltage value in ADC must not be higher than 2.2V.
3.10.4 LDO
SIM5320ALD has a LDO power output, namely VREG_AUX. The LDO is available and output voltage is
2.85v by default, rated for 250mA. User can switch the LDO on or off by the AT command
“AT+CVAUXS” and configure its output voltage by the AT command “AT+CVAUXV”.
Table 33: Electronic characteristic
Symbol Description Min Typ Max Unit
VREG_AUX Output voltage 1.5 2.85 3.05 V
I
O
Output current - - 250 mA
4 RF Specification
4.1 RF Specification
Table 34: Conducted transmission power
Frequency Max Min
WCDMA 1900 24dBm +1/-3dB -56dBm ±5dB
WCDMA 850 24dBm +1/-3dB -56dBm ±5dB
Table 35: Operating frequencies
Frequency Receiving Transmission
WCDMA1900 19301990 MHz 18501910 MHz
WCDMA 850 869 894 MHz 824 849 MHz
Table 36: Conducted receive sensitivity
Frequency Receive sensitivity
WCDMA 1900 < -108dBm
WCDMA 850 < -106dBm