[Frequency]:850~930MHz
[Power]:20dBm
[Distance]:2.5km
[Size]:26*16mm
[Product weight]:2.1±0.1g
[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 |
- | mA |
- |
Sleep current | - | 1.3 |
- | μA | Software is shut down |
Operating temperature |
-40 | - |
+85 | ℃ | Industrial design |
Max Tx power |
- | - | 20 | dBm |
- |
Receiving sensitivity |
-114 |
-115 |
-116 |
dBm |
Air data rate is1.2kbps |
Air data rate |
1.2k | 2.4k | 200k | bps |
Controlled via user’s programming |