User Manual

FCC ID: 2ANDL-WR2L

Users Manual

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FCCID_4266061

WR2LV1.0.0 Datasheet 1. Product Overview WR2L is a low power-consuming built-in Wi-Fi module developed by Hangzhou Tuya Information Technology Co., Ltd. It consists of a highly integrated radio frequency chip (RTL8710BX) and an external flash chip, with a built-in Wi-Fi network protocol stack and robust library functions. WR2L also contains a low power-consuming ARM CM4F, a WLAN MAC, a 1T1R WLAN, and the maximum basic frequency of 62.5 MHz, and is embedded with a 256 KB SRAM, a 2 MB flash, and robust peripheral resources. WR2L is an RTOS platform that integrates all the function libraries of the Wi-Fi MAC and TCP/IP protocols. You can develop built-in Wi-Fi products as required. 1.1 Features Built-in low power-consuming 32-bit CPU functioning as an application processor Working voltage: 3 V to 3.6 V Peripherals: five GPIOs Wi-Fi connectivity  802.11 B/G/N20/N40  Channels 1-11@2.4GHz  Supports WPA/WPA2 safe modes  SmartConfig mode (for Android and iOS devices)  Onboard PCB antenna  Passing the CE, FCC, and SRRC certification  Working temperature: –20°C to +105°C 1.2 Major Application Fields Intelligent building Intelligent home and household appliances Healthcare Industrial wireless control Baby monitors Network camera Intelligent bus 2. Module Interfaces 2.1 Dimensions and Pin Layout WR2L provides two rows of pins with the distance of 2 mm between every two pins. WR2L dimensions: 15 mm (W) x 17.37 mm (L) x 3 mm (H) 2 Version1.0.0

WR2LV1.0.0 Datasheet 2.2 Pin definition Table 2.1 describes the common pins. Table 2.1，WR2L pins description No. Symbol I/OType Function 1 GPIOA_15 I/O GPIOA_15, used for hardware PWM 2 GPIOA_14 I/O GPIOA_14, used for hardware PWM 3 GPIOA_5 I/O GPIOA_5, used for hardware PWM 4 GPIOA_14 I/O GPIOA_19 5 GPIOA_12 I/O GPIOA_12, used for hardware PWM 6 GND P Power supply reference ground pin 7 VD33 P Module power supply pin (3.3 V) Note: P indicates power-supply pins and I/O indicates input/output pins. 3. Electrical Parameters 3.1 Absolute electrical parameters Table 3.1,Absolute Parameters Minimu Maximu Parameters Description Unit m value m value Storage Ts –40 125 °C temperature Power-supply VDD –0.3 3.6 V voltage Static electricity voltage TAMB – - 2 kV (human model) 25°C Static electricity voltage TAMB – - 0.5 kV (machine model) 25°C 3.2 Electrical Conditions 3 Version1.0.0

WR2LV1.0.0 Datasheet Table 3.2 Normal electrical conditions Paramet Description Min Typ Max Unit ers Working Ta –20 - 105 °C temperature VDD Working voltage 3.0 - 3.6 V VIL I/O low-level input –0.3 - VDD x 0.25 V VIH I/O high-level input VDD x 0.75 - 3.6 V VOL I/O low-level output - - VDD x 0.1 V I/O high-level VOH VDD x 0.8 - VDD V output Imax I/O drive current - - 16 mA Input pin Cpad - 2 - pF capacitance 3.3 Wi-Fi Transmitting Current Consumptions Table 3.3. Wi-Fi TX current consumption PARAMETERS MODE RATE Transmitting power TYPICAL UNIT IRF 11b 1Mbps +20.09dBm 287 mA IRF 11g 6Mbps +23.48dBm 255 mA IRF 11n-HT20 MCS0 +22.06dBm 244 mA IRF 11n-HT40 MCS0 +21.35dBm 220 mA 4 Version1.0.0

WR2LV1.0.0 Datasheet 3.4 Wi-Fi RX power consumption Table 3.4 RX power during constant receiving Symbol Mode Typ Unit IRF CPU sleep 90 mA IRF CPU active 120 mA 3.5 Power consumption in operating mode Table 3.5, Module operating current Operation Operating condition, TA=25℃ Typ Peak Unit Mode The module is in the EZ state and the Wi-Fi EZ mode 115 125 mA indicator fast flashes. The module is in the connected state and the Wi-Fi Idle mode 60 209 mA indicator is steady on. The module is in the connected state and the Wi-Fi Working mode 118 198 mA indicator is steady on. Disconnection The module is in the disconnected state and the 34 192 mA mode Wi-Fi indicator is steady off. Notes: The peak period is approx. 5us. The preceding parameter values vary depending on the firmware functions. 5 Version1.0.0

WR2LV1.0.0 Datasheet 4. RF Characteristics 4.1 Basic RF characteristics Table 4.1,Basic RF characteristics Parameter Description Frequency band 2.412 GHz to 2.462 GHz Wi-Fi standard IEEE 802.11b/g/n (channels 1 to 11) 11b: 1, 2, 5.5, 11 (Mbit/s) 11g: 6, 9, 12, 18, 24, 36, 48, 54 Data transmission (Mbit/s) 11n: HT20 MCS0 to MCS7 11n: HT40 MCS0 to rate MCS7 Antenna type PCB antenna 4.2Wi-Fi RX sensitivity Table 4.3,RX Sensitivity Parameter Min Typ Max Unit 11 PER < 8%, RX sensitivity, 802.11b CCK mode - –91 - dBm Mbit/s 54 PER < 10%, RX sensitivity, 802.11g OFDM mode - –75 - dBm Mbit/s 6 Version1.0.0

WR2LV1.0.0 Datasheet PER < 10%, RX sensitivity, 802.11n OFDM mode MCS7 - –72 - dBm 5.Antenna Information 5.1 Antenna type Only the onboard PCB antenna is used. 5.2 Antenna interference reduction When using an onboard PCB antenna on a Wi-Fi module, make sure that the antenna on the module is at least 15 mm away from other metal parts to ensure optimal wireless performance. 6.Packaging information and production guidance 6.1 Production Instructions Storage conditions of a delivered module are as follows: 1. The anti-moisture bag must be placed in an environment where the temperature is under 30°C and the relative humidity is under 85%. 2.The shelf life of a dry-packaged product is six months from the date when the product is packaged and sealed. Note： 1.Throughout the production process, each involved operator must wear an electrostatic ring. 2.During the operation, strictly protect the module from water and strains. 6.2 Recommended Oven Temperature Profile 7 Version1.0.0

WR2LV1.0.0 Datasheet Regulatory Module Integration Instructions This device complies with part 15.247 of the FCC Rules. The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove this RF module in the user’s manual of the end product which integrates this module. The antenna is PCB Antenna and maximum gain is 2.0dBi . This module has been granted modular approval for mobile applications. OEM integrators for host products may use the module in their final products without additional FCC certification if they meet the following conditions. Otherwise, additional FCC approvals must be obtained. The host product with the module installed must be evaluated for simultaneous transmission requirements. The user’s manual for the host product must clearly indicate the operating requirements and conditions that must be observed to ensure compliance with current FCC RF exposure guidelines. To comply with FCC regulations limiting both maximum RF output power and human exposure to RF radiation, use this module only with the included onboard antenna. The final host / module combination may also need to be evaluated against the FCC Part 15B criteria for unintentional radiators in order to be properly authorized for operation as a Part 15 digital device. FCC Statement Any 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. 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. FCC Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment .This equipment should be installed and operated with minimum distance 20cm between the radiator& your body. FCC Label Instructions: The outside of final products that contains this module device must display a label referring to the enclosed module. This exterior label can use wording such as: “Contains Transmitter Module FCC ID: 2ANDL-WR2L”,or “Contains FCC ID: 2ANDL-WR2L”, Any similar wording that expresses the same meaning may be used. 8 Version1.0.0


Document Created: 2019-05-08 08:04:37
Document Modified: 2019-05-08 08:04:37
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