This tutorial uses Quectel EC20 IoT 4G all-network CAT4 communication module.
EC20 is an LTE Cat 4 wireless communication module launched by Quectel. It adopts LTE 3GPP Rel.11 technology and supports a maximum downlink rate of 150Mbps and a maximum uplink rate
| Model Number | EC20 R2.1 Mini PCIe |
| Operating Frequency Band | TDD-LTE: B38/B39/B40/B41 FDD-LTE: B1/B3/B8 WCDMA: B1/B8 TD-SCDMA: B34/B39 GSM: 900/1800 MHz |
| Data Transmission | TDD-LTE： Max 130Mbps (DL) Max 35Mbps (UL) FDD-LTE： Max 150Mbps (DL) Max 50Mbps (UL) DC-HSPA+： Max 42Mbps (DL) Max 5.76Mbps (UL) UMTS： Max 384Kbps (DL) Max 384Kbps (UL) TD-SCDMA： Max 4.2Mbps (DL) Max 2.2Mbps (UL) CDMA： Max 3.1Mbps (DL) Max 1.8Mbps (UL) EDGE： Max 236.8Kbps (DL) Max 236.8Kbps (UL) GPRS： Max 85.6Kbps (DL) Max 85.6Kbps (UL) |
| Interface Connector | Mini-PCIe interface Network indicators: x2, NET_STATUS and NET_MODE UART: x1 UART UARTReset: Low level PWRKEY: Low level Antenna interfaces: x3 (main antenna, diversity antenna and GNSS antenna interfaces) ADC: x2 |
| Structural Dimensions | 51.0mm x 30.0mm x 4.9mm Weight: Approximately 10.5g Certification: CCC/NA*/TA |
¶ Hardware Connection
¶ 4G Internet Access
Prerequisite: Install the EC20 Windows driver ( Youyeetoo customized systems come with the driver pre-installed)
