# SIM900 (Component)
## Description
GSM Quad-Band Communication Module, GPRS, Audio Engine, AT Command Set #commonpartslibrary #GSM #Cellular #GPRS #Transceiver #RF #integratedcircuit
## Component Details
- **Owner:** vasy_skral
- **Created:** 12/2/2021
- **Last Updated:** 8/22/2024
- **Visibility:** Public
- **Symbol Style:** Parametric
- **Manufacturer Part Number:** SIM900
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Part Type:** RF Transceiver Module
- **Manufacturer Name:** SIMCom
- **Datasheet URL:** https://simcom.ee/documents/SIM900/SIM900_Hardware%20Design_V2.05.pdf
- **Used in:** 224 projects
- **Stars:** 1
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **MPN:** SIM900
- **Pin Count:** 68
- **Logic Function:** Receiver
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | PWRKEY | |
| 2 | NC | |
| 3 | DTR | |
| 4 | RI | |
| 5 | DCD | |
| 6 | NC | |
| 7 | CTS | |
| 8 | RTS | |
| 9 | TXD | |
| 10 | RXD | |
| 11 | DISP_CLK | |
| 12 | DISP_DATA | |
| 13 | DISP_D/C | |
| 14 | DISP_CS | |
| 15 | VDD_EXT | |
| 16 | ~RESET~ | |
| 17 | GND | |
| 18 | GND | |
| 19 | MIC_P | |
| 20 | MIC_N | |
| 21 | SPK_P | |
| 22 | SPK_N | |
| 23 | NC | |
| 24 | NC | |
| 25 | ADC | |
| 26 | VRTC | |
| 27 | DBG_TXD | |
| 28 | DBG_RXD | |
| 29 | GND | |
| 30 | SIM_VDD | |
| 31 | SIM_DATA | |
| 32 | SIM_CLK | |
| 33 | SIM_RST | |
| 34 | SIM_PRESENCE | |
| 35 | PWM1 | |
| 36 | PWM2 | |
| 37 | SDA | |
| 38 | SCL | |
| 39 | GND | |
| 40 | GPIO1/KBR4 | |
| 41 | GPIO2/KBR3 | |
| 42 | GPIO3/KBR2 | |
| 43 | GPIO4/KBR1 | |
| 44 | GPIO5/KBR0 | |
| 45 | GND | |
| 46 | GND | |
| 47 | GPIO6/KBC4 | |
| 48 | GPIO7/KBC3 | |
| 49 | GPIO8/KBC2 | |
| 50 | GPIO9/KBC1 | |
| 51 | GPIO10 | |
| 52 | NETLIGHT | |
| 53 | GND | |
| 54 | GND | |
| 55 | VBAT | |
| 56 | VBAT | |
| 57 | VBAT | |
| 58 | GND | |
| 59 | GND | |
| 60 | RF_ANT | |
| 61 | GND | |
| 62 | GND | |
| 63 | GND | |
| 64 | GND | |
| 65 | GND | |
| 66 | STATUS | |
| 67 | GPIO11 | |
| 68 | GPIO12 | |
---
*Generated from [https://www.flux.ai/vasy_skral/sim900](https://www.flux.ai/vasy_skral/sim900)*