C12 1uF 33pF C4 ESDA6V1SC5 U1 - + MIC1 2 10pF C20 1 H_RXD 10pF C22 5 MICIN 1 MICIP 3 2 R21 Q5 NPN RXD J2 4 H_VIO 33pF C19 4.7K 47K R19 R20 VDD_EXT SIM_DATA H_TXD 33pF C21 TXD VCC GND RST VPP CLK I/O R18 NPN Q4 R17 VBAT GND H_VIO DTR PWR RI H_TXD H_RXD RESET 4.7K 9 8 7 6 5 4 3 2 1 SIM_VDD SIM_RST SIM_CLK H_VIO C13 22pF 4.7K 4.7K 47K R16 10pF C5 J1 VDD_EXT Connectors SIMCARD HOLDER MICROPHONE A1 B0 B1 A1 B1 C2 10pF PWRKEY PWR GND NETLIGHT STATUS GND GPS_RF 4.7K Q1 NPN C1 33pF 47K C17 POWER SWITCH L1 GND CN1 R5 R6 RTC BATTERY POWER SUPPLY 22nH R4 22 D4 RED 470 R14 VLED D5 GREEN 470 R15 D NETLIGHT R10 4.7K Q2 NPN R11 STATUS R13 47K 4.7K USB_MICROB D GPS_RF ANT2 Q3 NPN R12 D 47K 100uF VDD_EXT ANT1 VLED PZ5D4V2H D8 D GSM_RF GND ID D+ DVCC JP1 GND1 ID1 D+1 D-1 VBUS1 GND R1 R2 USB_DP USB_DM 22 22 VBUS 1uF C3 1 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 VBAT GND CESD3V3AP 3 18 19 20 21 22 23 24 25 VBUS USB_DP 26 USB_DM 27 28 GND SIM_VDD29 30 SIM_DATA SIM_CLK31 SIM_RST32 33 34 GND PWRKEY C18 100uF SHIELD SIM808 GND NETLIGHT STATUS PCM_OUT PCM_IN PCM_CLK PCM_SYNC GPIO6 GPIO5 PWM1 PWM2 GND SCL SDA 1PPS GND GPS_RF_IN GND MICIP MICIN SPKIP SPKIN ADC1 ADC2 VBUS USB_DP USB_DM GND SIM_VDD SIM_DATA SIM_CLK SIM_RST SIM_PRE GND GND GND GND VBAT VBAT VBAT VDD_EXT PWRKEY DTR RI DCD CTS RTS TXD RXD RESET VRTC GND MICIP MICIN 1 2 GND 3 4 5 VBAT 6 VDD_EXT 7 PWRKEY 8 9 DTR 10 RI 11 12 13 14 TXD 15 RXD RESET 16 17 VRTC GND GND GSM_RF_IN GND GND RF_SYNS COL0 COL1 COL2 COL3 ROW0 ROW1 ROW2 ROW3 GND ANT_BT GND VRTC 1 2 GND B0 A0 2 GND GND C6 10pF K1 A0 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 GND GND GSM_RF GND GND LEVEL CONVERTING INDICATOR P2 VBAT VLED ANTENNA MICROUSB INTERFACE D6
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