Chengdu Ebyte Electronic Technology Co., Ltd. E73-2G4M04S1D User manual
Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.
3
2.
Specification and parameter
2.1 Limit parameter
Main parameter
Performance
Remark
Min.
Max.
Power supply
（
V
）
0
3.6
Voltage over 3.6V will cause permanent
damage to module
Blocking power
（
dBm
）
-
10
Chances of burn is slim when modules are
used in short distance
Operating temperature
（
℃
）
-40
85
-
2.2 Operating parameter
Main parameter
Performance
Remark
Min.
Typ.
Max.
Operating voltage
（
V
）
1.8
3.3
3.6
≥3.3 V ensures output power
Communication level
（
V
）
-
3.0
-
For 5V TTL, it may be at risk of burning
down
Operating temperature
（
℃
）
-40
-
85
Industrial design
Operating frequency
（
M Hz
）
2379
2430
2496
Support ISM band
Power
consumpti
on
TX current
（
mA
）
-
14
-
Instant power consumption
RX current
（
mA
）
-
12
-
-
Sleep current
（
μA
）
-
1
-
Software is shut down
M ax Tx power
（
dBm
）
3.8
4
4.3
-
Receiving sensitivity
（
dBm
）
-95.4
-96.0
-96.8
Air data rate is 1M bps
Main parameter
Description
Remark
Distance for reference
100m
Test condition
：
clear and open area, antenna gain: 5dBi
，
antenna height: 2.5m
，
air data rate: 1M bps
Crystal frequency
24M Hz / 32.768KHz
-
Support protocal
BLE 4.2/5.0
-
Package
SM D
-
Connector
1.27mm
-
IC
nRF51822-QFAA/QFN48
-
FLASH
256KB
-
RAM
16KB
-
kernel
ARM CORTEX-M 0
-
Size
17.5 * 28.7 mm
-
Antenna
Onboard PCB / IPEX
Equivalent impedance is about 50 ohms
