Gree Electric Appliances of Zhuhai GRJW06J User Manual

WiFi Module Manual

Gree Electric Appliances, Inc. of Zhuhai

●Please read this manual carefully before operation and keep it well for future reference.

●Due to product improvement, Gree reserves the right to change contents of this manual without prior notice.

●Gree Electric Appliances, Inc. of Zhuhai reserves the final right to interpret this manual.

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1. General Functions

The wireless module complies with IEEE 802.11 b/g/n standard and it can achieve up to

a speed of 65Mbps with single stream in 802.11n, 54Mbps as specified in IEEE 802.11g, or

11Mbps for IEEE 802.11b to connect to the wireless LAN.

This compact module is a total solution for a combination of Wi-Fi 802.11b/g/n

technologies with Microcontroller Processor. The module is specifically developed for

embedded system devices.

2. Technique Parameters

Table 1. Module Parameters

Categories Feature parameters

Wireless

specification

Operating

Bands

2412 MHz to 2462 MHz for 802.11b/g/n(HT20)

2422 MHz to 2452 MHz for 802.11n(HT40)

Protocol IEEE 802.11 b/g/n

frequency

modulation

CCK、OFDM

mode

802.11b<-90.5dBm@11Mbps

Receive

802.11g<-77.5dBm@54Mbps

Sensitivity

802.11n<-72dBm@MCS7

Data Rate 802.11b：1/2/5.5/11 Mbps

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802.11g：6/9/12/18/24/36/48/54 Mbps

802.11n(HT20):6.5/13/19.5/26/39/52/58.5/65 Mbps

802.11n(HT40):13.5/27/40.5/54/81/108/121.5/135 Mbps

Antenna gain

Impedance 50-Ohm

Supply

electrical

specification

physical Dimensions 42mm×25mm±0.2mm

Operating

Temperature

Voltage

Connect Internal Antenna

-- -20-55 deg C.

1 dBi

+5V

3. Circuit Description

Figure 1. Block Diagram

WIFI module has an independent power management system, and the system provides

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