User's Manual

7
Number of channels
40
Modulation type
GFSK
Communication
distance
1
100m
@3.3V;4dBm;BLE mode-1M ;PCB
antenna
Connection distance
2
50m
@3.3V;4dBm;BLE mode-1M ;PCB
antenna
Transmittance power
(dBm)
/
0
/
@3.3V ;software can be set -20dBm to
+4dBm
Receiving sensitivity
(dBm)
/
-96
/
@BLE mode-1Mbps；Payload=37
Receiving sensitivity
(dBm)
/
-95
/
@BLE mode-1Mbps；Payload=255
1. “Communication distance” is affected by the measuring environment, air humidity and other
factors around, and only for reference.
2. Communication distance is the maximum communication distance after connection, connection
distance is the maximum distance that connection can be created.
Table 2-3 Power Consumption of the Module @25℃
Main Parameters
Performance
Remarks
Minimum
Value
Typical
Value
Maximum
Value
Transmitting current
(mA)
/
7.5
/
@3.3V（DCDC-Mode）;4dBm
/
16.6
/
@3.3V（LDO-Mode）;4dBm
/
5.3
/
@3.3V（DCDC-Mode）;0dBm
/
11.6
/
@3.3V（LDO-Mode）;0dBm
Receiveing current
(mA)
/
5.4
/
@3.3V（DCDC-Mode）;1Mbps
/
11.7
/
@3.3V（LDO-Mode）;1Mbps
/
0.3
/
System OFF current, no RAM retention
/
1.2
/
System ON base current, no RAM retentio
n
Sleep mode current
(uA)
/
20
/
per 4 KB RAM section
/
7.4
/
running from flash, cache enabled, LDO
RAM current (nA)
/
3.7
/
running from flash, cache enabled, DCDC
CPUcurrent
1
(mA)