[Frequency]： 850~930MHz [Power]： 20dBm [Distance]： 2

5km [Antenna interface]： SMA [Size]： 36*21mm [Introduction]： E49-900T20D is a super cost-effective wireless data transmission module launched by Chengdu Ebyte

It has 4 working modes

Each transmission method has its own characteristics and can be applied to various application scenarios

E49-900T20D can perfectly support industrial-grade applications, and has undergone rigorous testing at the factory to ensure its industrial reliability and batch consistency

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Working parameters Min

Typ

Max

Remark Working voltage (V) 2

6 5 5

5 - Communication level (V) - 3

3 - Risk of burnout with 5V TTL Working temperature (℃) -40 - 85 Industrial grade design Working frequency band (MHz) 850 868 930 support ISM band Emission current (mA) - 90 - Instantaneous power consumption Receive current (mA) - 12 - - Sleep current (μA) - 0

7 - software shutdown Maximum transmit power (dBm) - - 20

0 - Receive Sensitivity (dBm) -114 -115 -116 The air rate is 1

2kbps Air rate (bps) 1

2k 2

4k 200k User programming control Main parameters Description Remark Reference distance 2

5km Clear and open environment, antenna gain 5dBi, antenna height 2

5m, air rate 1

2kbps Subcontracting method 54 Btye The maximum capacity of a single package, it will be automatically sub-packaged when it exceeds

Cache capacity 500 Btye - Modulation method GFSK - Communication Interface UART serial port - Packaging method Plug-in - Crystal frequency 26MHz - Dimensions 36*21mm - Antenna interface SMA connector Equivalent impedance is about 50 ohms