User Manual

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WiFi Module Manual

Model: GRJWB04-J FCC ID：2ADAP-GRJWB04J IC：12478A-GRJWB04J

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.

Summary of content (8 pages)

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WiFi Module Manual Model: GRJWB04-J FCC ID：2ADAP-GRJWB04J IC：12478A-GRJWB04J 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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WiFi Module User Manual 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.
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WiFi Module User Manual 2、Technique Parameters Table1. Module Parameters Categories Feature Operating Bands parameters FCC:2412 MHz to 2462 MHz for 802.11b/g/n(HT20) RED:2412MHz to 2472 MHz for 802.11b/g/n(HT20) 2402MHz to 2480 MHz for BLE Protocol IEEE 802.11 b/g/n frequency modulation CCK、OFDM、GFSK mode Wireless specification 802.11b<-90.5dBm@11Mbps Receive 802.11g<-77.5dBm@54Mbps Sensitivity 802.11n<-72dBm@MCS7 WIFI: 802.11b：1/2/5.5/11 Mbps Data Rate 802.
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WiFi Module User Manual Operating Temperature -- 0-50 deg C. 3、Circuit Description Figure1. Circuit Diagram WIFI module has an independent power management system, and the system provides a high quality of power supply for the whole module. The Excellent matching circuit in RF-Front ensures that the signal has minimal signal loss and radiation. Oscillator Y1 provides the IC U1 with the required oscillation frequency to enable the IC U1 to work normally.
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WiFi Module User Manual is attached. Transmit frequency of EU: WIFI: 2412-2472MHz BLE: 2402-2480MHz Maximum transmit power: <20dBm 4、Pin Definition Figure2. Pin Definition PIN Table2.
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WiFi Module User Manual Caution: The user is cautioned that changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This device complies with Part 15 of the FCC Rules and it contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s).
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WiFi Module User Manual user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help.
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Gree Electric Appliances，Inc.