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[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 Ürün ÖzellikleriFREKANS:868 MHz