T211x-WR1-IPEX Module Datasheet

Last Updated on : 2024-06-14 03:14:33download

Product Overview

Developed by Tuya, T211x-WR1-IPEX is a WiFi module that is suitable for serial communication of 3.3V. It mainly consists of a WiFi module WR1-IPEX module and a level conversion circuit. It is further embedded with the WiFi network protocol stack and serial communication protocol.
T211x-WR1-IPEX is an RTOS platform that integrates all function libraries of the WiFi MAC and TCP/IP protocols. On the basis of the serial communication manner, you can develop embedded WiFi products as required.

Features

  1. Embedded low-power 32-bit CPU, which can also function as an application processor
  2. The maximum clock rate: 125 MHz
  3. Working voltage: 3.3V
  4. Peripherals: 1 universal asynchronous receiver/transmitter (UART)
  5. WiFi connectivity
    • 802.11 b/g/n20/n40
    • Channels 1 to 14@2.4GHz, (Ch 1 to 11 for US/CA,Ch 1 to 13 for EU/CN)
    • Support WPA and WPA 2 security modes
    • Up to +20 dBm output power in 802.11b mode
    • Support SmartConfig and AP network configuration manners for Android and IOS devices
    • Onboard PCB antenna and external antenna IPEX connector
    • Working temperature: -20℃ to 85℃

Applications

  • Intelligent building
  • Smart household and home appliances
  • Smart socket and light
  • Industrial wireless control
  • Baby monitor
  • Network camera
  • Intelligent bus

Change History

Serial Number Update Date Updated Content Version after Update
1 04/19/2019 This is the first release. V1.0.0
2 5/21/2020 Content and format were revised. V2.0.0

Module Interfaces

Dimensions and Footprint

The electrical interface of T211x_WR1_IPEX is a vertical placement 4P wafer and a connector with a pin spacing of 1.5 mm.
The dimensions of T211x-WR1-IPEX are 29.95±0.35 mm (W)×32.95±0.35 mm (L) ×6.35±0.15 mm (H). The thickness of the PCB is 1.2±0.1 mm. Its dimensions are shown in the following figure:
T211x-WR1-IPEX  Module Datasheet

Pin Definition

Pin Number Symbol I/O Type Function
1 RX I/O RX interface for communication of the module
2 TX I/O TX interface for communication of the module
3 GND P Power supply reference ground
4 VCC P Power supply pin (3.3V)

Note: P indicates power supply pins and I/O indicates input/output pins.

Definitions on Test Points

Pin Number Symbol I/O Type Function
5 3.3V P Power supply pin inside the module (3.3V)
6 GND P Power supply reference ground
7 U0RX I/O Programming interface for firmware of the module
8 U0TX I/O Programming interface for firmware of the module

Note: P indicates power supply pins, I/O indicates input/output pins and test points are prohibited.

Electrical Parameters

Absolute Electrical Parameters

Parameter Description Minimum value Maximum Value Unit
Ts Storage temperature -40 125
VBAT Power supply voltage -0.3 3.6 V
Static electricity discharge voltage (human body model) TAMB-25℃ - 2 KV
Static electricity discharge voltage (machine model) TAMB-25℃ - 0.5 KV

Normal Working Conditions

Parameter Description Minimum value Typical Value Maximum Value Unit
Ta Working temperature -20 - 85
VBAT Power supply voltage 3.0 3.3 3.6 V
VIL IO low-level input -0.3 - VCC*0.25 V
VIH IO high-level input VCC*0.75 - VCC V
VOL IO low-level output - - VCC*0.1 V
VOH IO high-level output VCC*0.8 - VCC V
Imax IO drive current - - 16 mA
Cpad Input pin capacitance - 2 - pF

TX Power Consumption

Working Status Mode Rate Transmit Power Average Value Peak Value (Typical Value)) Unit
Transmit 11b 11 Mbps +18 dBm 343 382 mA
Transmit 11b 11 Mbps +17 dBm 295 367 mA
Transmit 11 g 54 Mbps +15 dBm 255 406 mA
Transmit 11 g 54 Mbps +17.5 dBm 267 428 mA
Transmit 11n BW20 MCS 7 +13 dBm 244 395 mA
Transmit 11n BW20 MCS 7 +16.5 dBm 257 422 mA
Transmit 11n BW40 MCS 7 +13 dBm 220 393 mA
Transmit 11n BW40 MCS 7 +16.5 dBm 230 420 mA

RX power consumption

Working Status Mode Rate Receive Average Value Peak Value (Typical Value)) Unit
Receive CPU Sleep 11Mbps Constantly receive 90 - mA
Receive CPU Active MCS7 BW20 Constantly receive 120 - mA

Working Current

Working Mode Working Status, Ta = 25°C Average Value Peak Value (Typical Value) Unit
Quick connection network state The module is in the fast network connection state and the WiFi indicator always flashes 115 376 mA
Hotspot network configuration state The module is in the hotspot network configuration state and the WiFi indicator flashes slowly 60 386 mA
Network connection state The module is connected to the network and the WiFi indicator is always on 105 389 mA
Disconnected state The module is disconnected and the WiFi indicator is dark 45 381 mA

Note: The above parameters may vary with different firmware functions.

RF Parameters

Basic RF Features

Parameter Description
Working frequency 2.412 to 2.484 GHz
WiFi standard IEEE 802.11 b/g/n (channels 1 to 14)
Data transmission rate 11b: 1, 2, 5.5, 11 (Mbps); 11g: 6, 9, 12, 18, 24, 36, 48, 54 (Mbps); 11n: HT20 MCS 0 to 7; 11n: HT40 MCS 0 to 7
Antenna type Antenna to which a U.FL RF connector is externally connected (default)

TX Performance

TX performance

Parameter Minimum Value Typical Value Maximum Value Unit
Average RF output power, 802.11b CCK Mode 11M - 17.5 - dBm
Average RF output power, 802.11g OFDM Mode 54M - 14.5 - dBm
Average RF output power, 802.11n OFDM Mode MCS7 - 13.5 - dBm
Frequency error -20 - 20 ppm

RX Performance

RX sensitivity

Parameter Minimum Value Typical Value Maximum Value Unit
PER<8%, RX sensitivity, 802.11b DSSS Mode 1M - -92 - dBm
PER<10%, RX sensitivity, 802.11g OFDM Mode 54M - -76 - dBm
PER<10%, RX sensitivity, 802.11n OFDM Mode MCS7 - -73 - dBm

Antenna Information

Antenna Type

T211x-WR1-IPEX uses an antenna to which a U.FL RF connector is externally connected.

U.FL RF Connector

Parameters of the U.FL RF connector are as belows:
T211x-WR1-IPEX  Module Datasheet

Antenna Interference Reduction

To ensure optimal WiFi performance when the WiFi module uses an onboard PCB antenna, it is recommended that the antenna be at least 15 mm away from other metal parts.
To ensure the antenna performance, the PCB should not be routed or clad with copper in the antenna area.
T211x-WR1-IPEX  Module Datasheet
T211x-WR1-IPEX  Module Datasheet

Packaging Information and Production Instructions

Mechanical Dimensions

The PCB dimensions are 29.95±0.35 mm (W)×32.95±0.35 mm (L) ×1.2±0.1 mm (H).
T211x-WR1-IPEX  Module Datasheet

Production Instructions

Storage conditions for a delivered module are as follows:
1. The moisture-proof bag must be placed in an environment where the temperature is below 30°C and the relative humidity is lower than 85%.
2. The shelf life of a dry-packaged product is 6 months from the date when the product is packaged and sealed.
Caution:
1. In the production process, all operators must wear electrostatic rings.
2. During operation, strictly prevent the module from getting wet or dirty.

Recommended Oven Temperature Curve

Perform SMT based on the following reflow oven temperature curve. The highest temperature is 245°C. The reflow temperature curve is shown as belows:

T211x-WR1-IPEX  Module Datasheet

Storage Conditions

T211x-WR1-IPEX  Module Datasheet

MOQ and Packaging Information

Product Number MOQ (pcs) Shipping packaging method The number of modules per carton (pcs) The number of reels per carton (reel)
T211x-WR1-IPEX Tray 200 2