Copyright ©2012–2017，Chengdu Ebyte Electronic Technology Co., Ltd.
4
1.
Technical Parameter
Model
IC
Antenna
Size
Net weight
Operating
temperature
Operating
humidity
Storage
temperature
E73 (2G4M04S1B)
nRF52832-QFAA
PCB/IPX
17.5 * 28.7 mm
1.8±0.1g
-40 ~ 85℃
10% ~ 90%
-40 ~ 125°C
E73 (2G4M04S1A)
nRF52810-QFAA
PCB/IPX
17.5 * 28.7 mm
1.8±0.1g
-40 ~ 85℃
10% ~ 90%
-40 ~ 125°C
E73 (2G4M04S1D)
nRF51822
PCB/IPX
17.5 * 28.7 mm
1.8±0.1g
-40 ~ 85℃
10% ~ 90%
-40 ~ 125°C
E73(2G4M08S1C)
nRF52840-QIAAC0
Ceramic antenna
13*18*0.8mm
1.02±0.1g
-40 ~ 85℃
10% ~ 90%
-40 ~ 125°C
1.1. Internal resources
Model
IC
FLASH
RAM
Core
E73(2G4M04S1B)
nRF52832-QFAA/QFN48
512KB
64KB
ARM® Cortex™-M4F
E73(2G4M04S1A)
nRF52810-QFAABB/QFN48
192KB
24KB
ARM Cortex®-M4
E73 (2G4M04S1D)
nRF51822-QFAA/QFN48
256KB
16KB
ARM® Cortex™ M0
E73(2G4M08S1C)
nRF52840-QIAAC0/ aQFN ™ 73
1024KB
256KB
ARM® Cortex ® -M4
1.2. E73 (2G4M04S1B)
Parameter
Min
Type
Max
Unit
Transmitting current
13
14
15
mA
Receiving current
4
5
6
mA
Turn-off current
1
2
3
μA
Transmitting power
3.8
4
4.3
dBm
Receiving sensitivity
-94
-95
-96
dBm
Recommended band
2379
2430
2496
MHz
Voltage supply
1.8
3.3
3.6
V
Communication level
1.8
3.3
3.6
V
1.3. E73 (2G4M04S1A)
Parameter
Min
Typ
Max
Unit
Transmitting current
17
18
20
mA
Receiving current
12
13
14
mA
Turn-off current
1
2
3
μA
Transmitting power
3.7
4
4.2
dBm
Receiving sensitivity
-94
-95
-96
dBm
Recommended band
2379
2430
2496
MHz
Voltage supply
1.8
3.3
3.6
V
Communication level
1.8
3.3
3.6
V
