Hangzhou Gubei Electronics Technology WT1HB12 User Manual
Wi-Fi Module User Manual
Model: WT1HB12
V 1.5
1. Product Overview
1.1. Introduction
BroadLink WT1HB12 is the industrial leading 2.4Ghz 802.11 b/g/n embedded Wi-Fi module
which delivers unmatched performance and codeless development in a compact package,
providing a quick, easy and cost effective way for developers and manufacturers to add WiFi connectivity for home automation, lighting control, energy efficiency and other IOT
applications.
WT1HBS12 combines a 2.4Ghz 802.11 b/g/n radio transceiver with MAC, baseband
processing and optimized Wi-Fi protocols, configuration profile and network stack It
supports UART communication with other devices and can be widely used in applications
like smart home, remote monitoring and medical care. It is an ideal solution for developers
and manufacturers with limited RF and embedded programming expertise as it significantly
reduces RF design time and removes the burden of testing and certification.
WT1HBS12 integrates a 32-bit RISC processor and an 8 Mbit flash which is capable for most
of control-type IoT application.
RF_OUTP
RF_OUTN
RF_IN
RF
receiver
RF
transmitter
MAC /
Packet
Baseband
buffer /
security
engine
Figure 1. WT1SBSL block diagram
UART
System
control
UART
GPIO/LED
2. Specifications
2.1. Absolute maximum ratings
Symbol Description Min. Max. Units
Ts Storage temperature -40 125
TAMBIENT Ambient Temperature -10 70
Vdd Supply voltage 0 16 V
Vio Voltage on IO pin -0.28 3.63 V
VESD HBM (human body model) 2000 V
℃
℃
2.2. Power Characteristics
Symbol Rating MIN TYP MAX Unit
VDD 12V Supply Voltage 9 16 V
VDD33 3.3V Supply Voltage 2.97 3.3 3.63
VDD12 1.2V Supply Voltage 1.14 1.2 1.26 V
VDD15 1.5V Supply Voltage 1.425 1.5 1.575 V
2.3. DC characteristics
Symbol Parameter Conditions MIN MAX Unit
VIL Input Low Voltage LVTTL -0.28 0.6 V
VIH Input High Voltage
Schmitt Trigger Negative
Going
V
T-
VT+
VOL Output Low Voltage |IOL| = 1.6~14 mA -0.28 0.4 V
VOH Output High Voltage |IOH| = 1.6~14 mA 3 3.6 V
RPU Input Pull-Up Resistance PU=high, PD=low 40 190 KΩ
RPD Input Pull-Down Resistance PU=low, PD=high 40 190 KΩ
Threshold Voltage
Schmitt Trigger
Positive Going Threshold
Voltage
LVTTL
3.5 5.5 V
0.68 1.36 V
1.36 1.7 V
2.4. Current consumption
Performance
Description
Sleep mode 2 mA
IDLE mode 25 mA
RX Active, HT40, MCS7 50 mA
RX Power saving, DTIM=1 8 mA
TX HT40, MCS7 @15dBm 70 mA
TX CCK, 11Mbps @18dBm 80 mA
Note: All result is measured at the antenna port and VDD is 12V
TYP Unit
2.5. Dimensions
Module
Tolerance: (L±0.2)*(W±0.2)*(H±10%) (unit: mm)
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