Hangzhou District Nine Technology HEKR001 User Manual

Hekr V1.1 WIFI Module

Features：

a：802.11 b/g/n protocol

b：WIFI @2.4 GHz, support WPA/WPA2 PSK

c：Integrated 10 bit analog ADC

d：Integrated TCP/IP protocol stack

e：Integrated TR switch, balun, LNA, power amplifier and matching network

f：Integrated PLL, regulators and power management units

g：+19.5dBm output power in 802.11b mode

h：Supports antenna diversity

i：Power down leakage current of < 10uA

j：Integrated low power 32-bit MCU

k：Wake up and transmit packets in < 2ms

l：Standby power consumption of < 1.0mW (DTIM3)

m：Working temperature -40 ~ 125℃

Module Parameter：

WIFI Parameter

WiFi Protocles 802.11 b/g/n

Frequency

Range

Tx Power 802.11 b: 18dBm

2.4G-2.5G(2400M-2483.5M)

802.11 g: 15dBm

802.11 n: 13dBm

Rx

Sensitivity

Hardware Parameter Peripheral Bus

Operating

Voltage

Operating

Current

Operating

Temperature

Range

Software Parameter WIFI Mode station/softAP/SoftAP+station

802.11 b: (11Mbps) -91db

802.11 g: (54Mbps) -75db

802.11 n: (MCS7) -72db

UART、PWM、IIC、GPIO

3.3V

MAX 230mA

-40°~ 125°

Network

Protocol

Security WPA/WPA2

Encryption WEP/TKIP/AES

Firmware

Upgrade

IPv4， TCP/UDP/HTTP/FTP

Local UART Download/

OTA via network

Definition of Pins：

Pin Name Function

1 RST Module Reset

2 3V3 Power Supply

3 GND Ground

4 SDA IIC Data line，PWM Output，GPIO Input/output