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

5km [Size]： 26*16mm [Introduction]： E49-900T20S is an ultra-high cost-effective wireless module launched by Chengdu Ebyte

It has 4 operating modes

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

Main parameter Description Remark Distance for reference 2500m Test condition：clear and open area, antenna gain:5dBi,antenna height:2

5m，air data rate:1

2kbps FIFO 54 Btye Maximum capacity of single transmission, auto-sub-packing when exceeding Cache capacity 500 Btye - Modulation GFSK - Communication interface UART serial port - Package SMD - Connector 1

27mm - Size 26*16mm - Antenna IPEX/Stamp hole 50 ohm impedance Main parameter Min

Typ

Max

Unit Remark Operating voltage 3

3 5 5

5 V Over 5

5V will permanently damage module Operating frequency 850 868 930 MHz Support ISM band Communication level - 3

3 - V For 5V TTL, it may be at risk of burning down TX current - 97

9 - mA Instant power consumption RX current - 12

04