AirM2M_ESP8266 WiFi module user manual V3.2
Shanghai AirM2M Communication Technology Co., Ltd
http://www.airm2m.com
Page 7
1.1.3 Specifications
Table 2
A6501 Module technical specifications
A650X
Mater chip
ESP8266
Wireless
parameters
wireless standard
IEEE 802.11b/g/n
frequency range
2.412GHz-2.484GHz
transmitting power
802.11b: +18.5 +/-1dBm (@11Mbps)
802.11g: +16 +/-1dBm (@54Mbps)
802.11n: +15 +/-1dBm (@HT20, MCS7)
receiving sensitivity
802.11b: -91 dBm (@11Mbps ,CCK)
802.11g: -75dBm (@54Mbps, OFDM)
802.11n: -71dBm (@HT20, MCS7)
antenna mode
built-out: stamp hole interface or
I-PEX connector
built-in: onboard PCB antenna
Hardware
parameters
hardware interface
UART
,
IIC
,
PWM
,
GPIO
,
ADC
working voltage
3.0V--3.6V(VDD voltage)
GPIO drive capability
Max
:
15ma
working current
normal mode
average value
:
~70mA, peak value: 215mA
Deep Sleep
<15uA
Modem Sleeps
average value
:
~15mA
Light Sleep
0.9mA
operating temperature
-40
℃
~ 125
℃
storage environment
temperature
:
<40
℃,
relative humidity
:
<90%R.H.
dimension
onboard PCB antenna
:
16*24*3.3mm
;
built-out antenna
:
16*18.6*3.3mm
Serial
transmission
transmission rate
9600 ~ 921600 bps
Max number of TCP/UDP
link
4
Software
parameters
wireless network types
STA/AP/STA+AP
security mechanism
WEP/WPA-PSK/WPA2-PSK
Encryption type
WEP64/WEP128/TKIP/AES
firmware upgrade
local serial, OTA remote upgrade
networking protocol
IPv4, TCP/UDP/HTTP
user configuration
AT command set
Web page + PC configuration tool
Android/iOS terminal Smart Link intelligent configuration APP