Product Specifications Revison V1.0 Date 2022-11-25 Model Name WK882H-B0-B Product Name 2.
Contents Product Specifications ............................................................ 1 Revision History .................................................................. 3 1. Introduction ................................................................... 3 1.1 General Description .......................................................... 3 1.2 Feature ..................................................................... 4 1.3 Applications ...........................................................
Revision History Date Document Revision Product Revision Description 2022/11/25 1.0 1.0 Preliminary release 1.Introduction 1.1 General Description WK882H-B0-B Patch module is a WiFi and BLE dual mode module independently developed by Welkin Technology.The module has high integration, easy to use and abundant peripheral applications.Module Wifi function features, WiFi support standard 2.4GHz 802.
1.2Feature ⚫ Operation Frequence:2412MHz-2462MHz ⚫ IEEE Standards :2.4GHz 802.11 b/g/n ⚫ Wireless data rate can reach up to ⚫ Bluetooth support ⚫ Power Supply 3.3V±0.3V 1.
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3.WiFi Subsystem 3.1General Specifications Item Description Product Name WK882H-B0-B Main Chip LN882 Host Interface Uart IEEE Standards IEEE 802.11 b/g/n, Bluetooth Operating Frequencies 2412MHz-2462MHz 2402MHz-2480MHz Modulation 802.11b:DSSS 802.11g:OFDM 802.11n:64-QAM for 2.4GWIFI GFSK for BLE Wireless Data Rate 802.11b:11M 802.11g :54M 802.11n:MCS7 Rx Sensitivity -94dBm GFSK:1M Tx Power 16dBm for 2.4GWIFI,1.0dBm for BLE Antenna Type On-Board Antenna Power Supply 3.0V-3.
3.3Transmitter Characteristics Parameter Condition Min.
4.BlueTooth Subsystem 4.1Supported Features ⚫ Bluetooth LE 5.1 ⚫ 2.4GHz ISM BAND ⚫ Data rate:1M/2Mbps, 125k/500kbp ⚫ BLE long range ⚫ BLE advertising extension ⚫ Up to10dBm output with flexible external matching solution ⚫ -96dBm sensitivity in BLE 1Mbps mode Module Bluetooth BLE function features, BLE support standard Bluetooth LE 5.1 protocol, remote support(125Kbps, 500Kbps) and high speed transmission (2Mbps).
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7.Mechanical Specifications Module dimension Typical(L*W*H)23*16*3.1(mm),Tolrance: ±0.
8.Others 8.1Package Information Figure 6 8.2Storage Temperation and Humidity 1.Storage Condition:Moisture barrier bag must be stored under 30℃,humidity under 85%RH. The calculated shelf life for the dry packed product shall be a 12 months form the bag seal date. Humidity indicator cards must be blue,<30%. 2.Products require baking before mounting if humidity indicator cards reads>30%temp<30℃,humidity<70%RH,over 96 hours. Baking condition:125℃,12hours. Baking times:1 time. 8.
Figure 7 12
FCC Statement This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user’ s authority to operate the equipment.
Integration instructions for host product manufacturers according to KDB 996369 D03 OEM Manual v01 2.2 List of applicable FCC rules CFR 47 FCC PART 15 SUBPART C has been investigated. It is applicable to the modular transmitter 2.3 Specific operational use conditions This module is stand-alone modular.