# EC21EFA-512-STD (Component)
## Description
Cellular GSM, LTE, WCDMA Transceiver Module Antenna Not Included Card Edge,
BC20-BD
#CommonPartsLibrary #IntegratedCircuit #RF #Module
## Component Details
- **Owner:** adrian95
- **Created:** 4/6/2026
- **Last Updated:** 4/6/2026
- **Visibility:** Public
- **Manufacturer Name:** Quectel
- **Manufacturer Part Number:** EC21EFA-512-STD
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Part Type:** Integrated Circuit
- **Datasheet URL:** https://datasheet.datasheetarchive.com/originals/distributors/Datasheets_SAMA/16fa516de7b38e9254c2621e0ca85471.pdf
- **Package or Case Code:** Module
- **Used in:** 7 projects
- **Stars:** 1
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/ec21efa-512-std/quectel-wireless-solutions-co-ltd.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [Mouser](https://www.mouser.com/ProductDetail/Quectel/EC21EFA-512-STD?qs=GedFDFLaBXGs0seOsQ%2FzGA%3D%3D) | $83.57 | 0 |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **MPN:** EC21EFA-512-STD
- **Package / Case Code:** Module
- **Pin Count:** 132
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | WAKEUP_IN | |
| 2 | AP_READY | |
| 3 | RESERVED_1 | |
| 4 | W_DISABLE# | |
| 5 | NET_MODE | |
| 6 | NET_STATUS | |
| 7 | VDD_EXT | |
| 8 | GND_1 | |
| 9 | GND_2 | |
| 10 | USIM_GND | |
| 11 | DBG_RXD | |
| 12 | DBG_TXD | |
| 13 | USIM_PRESENCE | |
| 14 | USIM_VDD | |
| 15 | USIM_DATA | |
| 16 | USIM_CLK | |
| 17 | USIM_RST | |
| 18 | RESERVED_2 | |
| 19 | GND_3 | |
| 20 | RESET_N | |
| 21 | PWRKEY | |
| 22 | GND_4 | |
| 23 | RESERVED_3 | |
| 24 | PCM_IN | |
| 25 | PCM_OUT | |
| 26 | PCM_SYNC | |
| 27 | PCM_CLK | |
| 28 | RESERVED_4 | |
| 29 | RESERVED_5 | |
| 30 | RESERVED_6 | |
| 31 | RESERVED_7 | |
| 32 | RESERVED_8 | |
| 33 | RESERVED_9 | |
| 34 | RESERVED_10 | |
| 35 | ANT_DIV | |
| 36 | GND_5 | |
| 37 | RESERVED_11 | |
| 38 | RESERVED_12 | |
| 39 | RESERVED_13 | |
| 40 | RESERVED_14 | |
| 41 | I2C_SCL | |
| 42 | I2C_SDA | |
| 43 | RESERVED_15 | |
| 44 | ADC1 | |
| 45 | ADC0 | |
| 46 | GND_6 | |
| 47 | ANT_GNSS | |
| 48 | GND_7 | |
| 49 | ANT_MAIN | |
| 50 | GND_8 | |
| 51 | GND_9 | |
| 52 | GND_10 | |
| 53 | GND_11 | |
| 54 | GND_12 | |
| 55 | RESERVED_16 | |
| 56 | GND_13 | |
| 57 | VBAT_RF_1 | |
| 58 | VBAT_RF_2 | |
| 59 | VBAT_BB_1 | |
| 60 | VBAT_BB_2 | |
| 61 | STATUS | |
| 62 | RI | |
| 63 | DCD | |
| 64 | CTS | |
| 65 | RTS | |
| 66 | DTR | |
| 67 | TXD | |
| 68 | RXD | |
| 69 | USB_DP | |
| 70 | USB_DM | |
| 71 | USB_VBUS | |
| 72 | GND_14 | |
| 85 | GND_15 | |
| 86 | GND_16 | |
| 87 | GND_17 | |
| 88 | GND_18 | |
| 89 | GND_19 | |
| 90 | GND_20 | |
| 91 | GND_21 | |
| 92 | GND_22 | |
| 93 | GND_23 | |
| 94 | GND_24 | |
| 95 | GND_25 | |
| 96 | GND_26 | |
| 97 | GND_27 | |
| 98 | GND_28 | |
| 99 | GND_29 | |
| 100 | GND_30 | |
| 101 | GND_31 | |
| 102 | GND_32 | |
| 103 | GND_33 | |
| 104 | GND_34 | |
| 105 | GND_35 | |
| 106 | GND_36 | |
| 107 | GND_37 | |
| 108 | GND_38 | |
| 109 | GND_39 | |
| 110 | GND_40 | |
| 111 | GND_41 | |
| 112 | GND_42 | |
| 113 | RESERVED_17 | |
| 114 | RESERVED_18 | |
| 115 | RESERVED_19 | |
| 116 | RESERVED_20 | |
| 117 | RESERVED_21 | |
| 118 | RESERVED_22 | |
| 119 | RESERVED_23 | |
| 120 | RESERVED_24 | |
| 121 | RESERVED_25 | |
| 122 | RESERVED_26 | |
| 123 | RESERVED_27 | |
| 124 | RESERVED_28 | |
| 125 | RESERVED_29 | |
| 126 | RESERVED_30 | |
| 127 | RESERVED_31 | |
| 128 | RESERVED_32 | |
| 129 | RESERVED_33 | |
| 130 | RESERVED_34 | |
| 131 | RESERVED_35 | |
| 132 | RESERVED_36 | |
| 133 | RESERVED_37 | |
| 134 | RESERVED_38 | |
| 135 | RESERVED_39 | |
| 136 | RESERVED_40 | |
| 137 | RESERVED_41 | |
| 138 | RESERVED_42 | |
| 139 | RESERVED_43 | |
| 140 | RESERVED_44 | |
| 141 | RESERVED_45 | |
| 142 | RESERVED_46 | |
| 143 | RESERVED_47 | |
| 144 | RESERVED_48 | |
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*Generated from [https://www.flux.ai/adrian95/ec21efa-512-std~kfv](https://www.flux.ai/adrian95/ec21efa-512-std~kfv)*