Specifications

Copyright © Minew
11
m1805 Module Specification
3.3.6 RX 125Kbps GFSK
Parameter
Description
Min
Typ.
Max.
Units
Rx Sensitivity
Sensitivity test 125Kbps BLE ideal transmitter, 37 Byte
BER=1E-3
-103
dBm
co-channel
rejection
modulated interferer in channel, 37 Byte BER=1E-3
-1
I/C dB
Selectivity +-1MHz
Wanted signal at -67dBm, modulated interferer at +/- 1MHz, 37
Byte BER=1E-3
-11
I/C dB
Selectivity +-2MHz
Wanted signal at -67dBm, modulated interferer at +/- 2MHz, 37
Byte BER=1E-3
45
I/C dB
Selectivity +-3MHz
Wanted signal at -67dBm, modulated interferer at +/- 3MHz, 37
Byte BER=1E-3
50
I/C dB
Selectivity +-4MHz
Wanted signal at -67dBm, modulated interferer at +/- 4MHz, 37
Byte BER=1E-3
50
I/C dB
Selectivity +-5MHz
or More
Wanted signal at -67dBm, modulated interferer at >=+/- 5MHz,
37 Byte BER=1E-3
55
I/C dB
Selectivity Imag
frequency
Wanted signal at -67dBm, modulated interferer at image
frequency, 37 Byte BER=1E-3
28
I/C dB
Intermodulation
Wanted signal at 2402MHz, -64dBm, Two interferers at 2405
and 2408 MHz respectively, at the given power level, 37 Byte
BER=1E-3
-18
dBm
Carrier Frequency
Offset Tolerance
+-350
KHz
Sample Clock
Offset Tolerance
+-120
ppm
3.3.7 RSSI Specifications
Parameter
Description
Min
Typ.
Max.
Units
RSSI Dynamic Range
70
dB
RSSI Accuracy
RSSI Accuracy Valid in range -100 to -30dBm
+/-2
dB
RSSI Resolution
Totally 7bit, from 0 to 127
1
dB
RSSI Period
8
us