• Operating Range: Voltage: 3-3.6V, 
• 2.4GHz global open ISM band, with license-free
• SPI interface facilitates the communication with MCU I/O ...

• BT Version: Bluetooth Specification V4.0 BLE
• Working frequency: 2.4GHz ISM band
• Power: +3.3VDC 50mA

Low cost, compact and powerful Wi-Fi Module

Power Supply: +3.3V only

Current Consumption: 100mA

I/O Voltage:  3.6V (max)

I/O source current: 12mA (max)

Working frequency: 2.4GHz ISM band

Modulation method: GFSK(Gaussian Frequency Shift Keying)

RF Power: 0.01mw-5mw, can modify through AT Command AT+POWER

Power: +3.3VDC ...

EC20 series is a new generation of Quectel LTE module.

Interface: UART TTL.

Baud rate :  Adaptive (default),support  2400-115200.

Power supply: 5 -20 V.

Power Interface: 2.54 mm Pin header or  MICRO USB interface.

1. power supply 12v 1amp to 2 amps max
2. Compatible with arduino, raspberry pi, arm, avr, pic, 8051