WT1HBS05 Reset & Teardown (FCC ID 2ACDZ-WT1HBS05)

Before you buy the Broadlink WT1HBS05, check what's inside.

This device is a Broadlink WT1HBS05, a compact 802.11 b/g/n WiFi module designed to add wireless connectivity to devices with a UART interface. It operates on 2.4GHz WiFi and is powered by a 5V supply.

⚠️ NOTE: Ensure proper voltage is supplied and that connections are secure. Host system must be labeled with 'Contains FCC ID: 2ACDZ-WT1HBS05'. Operate at least 20cm away from the user's body.

Quick Specs

Manufacturer: Broadlink
Model: WT1HBS05
Protocol: WiFi
Chipset: Broadlink WiFi
Ecosystem: Broadlink
App: Broadlink App

🔧 Geek Corner (Flashing Info)

Chipset: Broadlink WiFi Module (Likely ESP8266 or similar)
Flashable: ✅ Yes
Info: Based on typical Broadlink WiFi modules and the UART interface, this device is likely flashable with custom firmware like Tasmota or ESPHome if the specific chipset is identified and accessible.

User Manual

Scanned pages from the official user manual:

WT1HBS05 Manual

External Photos

Photos of the device exterior:

WT1HBS05 Exterior

Internal Photos

Teardown photos showing the PCB and components:

WT1HBS05 PCB

Verdict

The WT1HBS05 is a WiFi device from the Broadlink ecosystem.

📄 Click to view full text manual (SEO)

USERMANUAL_V1

The device is a fully self‐contained small form‐factor, single stream, 802.11 b/g/n wifi
module, which provides a wireless interface to any equipment with a UART interface for data
transfer .ItsupportsAPandSTAwirelessnetworkingandsupportWIFIDirectmode.Itintegrates
MAC,basebandprocessor,RFtransceiverwithpoweramplifierinhardwareandallwifiprotocol
and configuration functionality and networking stack, in embedded firmware to make a fully
self‐contained802.11b/g/nwifisolutionforavarietyofapplications.
DeviceFeatures
[email protected]/WPA2
Fullyself‐containedserial‐to‐wirelessfunctionality
SupportIEEE802.11b/g/nwirelessstandards
SupportworkasSTA/AP
Supportsmartconfiguration
SupportPCB/Externalantennaoption
Smallsize:49.6mmx31mmx4mm

Deviceparemeters
Class Item Parameters
Wireless Wirelessstandard 802.11b/g/n
Frequency range 2.412GHz~2.472GHzForCE
2.412GHz~2.462GHzForFCC
TransmitPower 802.11b:16dBm
802.11g:14dBm
802.11n:13dBm
ReceiverSensitivity 802.11b<‐78dBm
802.11g<‐68dBm
802.11n<‐66dBm
PCBantennagain 2dB
Hardware Operatingvoltage 5V
Operatingcurrent Max(tx):~240mA
OPERATINGtemp ‐10~70℃
size 49.6mmx31mmx4mm
VIL ≤0.3VCC
VIH ≥0.7VCC
ESD(HumanBodyModel) 2kv@25℃
ESD(ChargedDeviceModel) 500v@25℃
software Networktype STA/AP
Securitymechanisms WEP/WPA/WAP2
Encryption WEP64 /WEP128 /TKIP/AES
Reservedresource
Networkprotocol IPv4,TCP/UDP/DNS/DHCP

Hardware

 (Unit:mm)
Pinassignment
Pin Pinname Description Type Note
Pin4 VDD VCC5V POWER
UART0
OnlyforPassthrough
Pin3 GND GND POWER
Pin2 UART0_TX UART0_TX O
Pin1 UART0_RX UART0_RX I

2.38 2.40 2.42 2.44 2.46 2.48 2.50 2.52
Freq [GHz]
-25.00
-22.50
-20.00
-17.50
-15.00
-12.50
-10.00
-7.50dB(St(Box6_T1,Box6_T1))
HFSSModel1XY Plot 3 ANSOFT
Curve Inf o
dB(St(Box6_T1,Box6_T1))
Setup1 : Sw eep

Thedevicealsosupportsexternalantenna.Theparametersrequiredareasfollowed:
Frequencyrange 2.4G~2.5G
Impedance 50Ohm
VSWR <2
Returnloss <‐10dB
Connectortype IPEX

InformationtobesuppliedtotheenduserbytheOEMor
Integrator
Thefollowingregulatoryandsafetynoticesmustbepublishedindocumentationsuppliedto
theenduseroftheproductorsystemincorporatingtheInter®wirelessadapter,In
compliancewithlocalregulations.Hostsystemmustbelabeledwith“ContainsFCCID:
2ACDZ‐WT1HBS05” ,FCCIDdisplayedonlabel.

Warning
1.Thisdevicecomplieswithpart15oftheFCCRules.
Operationissubjecttothefollowingtwoconditions:
(1)Thisdevicemaynotcauseharmfulinterference,and
(2)thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycause
undesiredoperation.
2.Changesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliance
couldvoidtheuser'sauthoritytooperatetheequipment.
3.ThisequipmentcomplieswithFCCradiationexposurelimitssetforthforan
uncontrolledenvironment.Itmustbeusedatleast20cmawayfromthebodyoftheuser....