Specification And Parameter; Limit Parameter; Operating Parameter - Ebyte E78-400M22S User Manual

Chengdu Ebyte Electronic Technology Co.,Ltd

2. Specification and parameter

2.1 Limit parameter

Main parameter
Operating temperature（℃）

2.2 Operating parameter

Main parameter
Communication level（V）
Operating temperature（℃）
Operating frequency（MHz）
Power
consumption
Receiving sensitivity（dBm）
Air data rate（bps）
Main parameter
Distance for reference
Crystal frequency
Modulation
Package
Connector
Size
Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd
Power supply（V）
Blocking power（dBm）
Operating voltage（V）
Transmitting current
[mA]
Receiving current [mA]
Turn-off current [μA]
Max Tx power（dBm）
Description
7000m
32MHz
LoRa™
SMD
1.27mm
14 * 20mm
Performance
Min. Max.
0 3.7
- 10
-40 +85
Performance
Min Typ.
2.5 3.3
3.3
-40 -
410 -
115
24
2.5
20.5 21
-139 -140
0.018k -
0.6 -
Test condition：clear and open area, antenna gain: 5dBi，
antenna height: 2.5m，air data rate: 1kbps
Active temperature complementary crystal vibration
Stamp hole
E78-400M22S user manual
Remark
Voltage over 5.2V will cause permanent
damage to module
Chances of burn is slim when modules
are used in short distance
Remark
Max.
3.7 ≥3.3 V ensures output power
For 5V TTL, it may be at risk of
burning down
+85 Industrial design
493 Support ISM band
Instant power consumption
Software is shut down
21.5
-140 Air data rate is 0.018kbps
62.5k
300
Remark
Lora
GFSK
3