| Parameters | 
                                                                                                            
                                            | Factory Lead Time | 2 Weeks | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 18-SMD Module | 
                                                                            
                                            | Operating Temperature | -40°C~85°C | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | Published | 2018 | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                            
                                            | Voltage - Supply | 2.7V~3.6V | 
                                                                            
                                            | Frequency | 2.4GHz~2.5GHz | 
                                                                            
                                            | Memory Size | 2MB Flash 50kB RAM | 
                                                                            
                                            | Data Rate | 72.2Mbps | 
                                                                            
                                            | Utilized IC / Part | ESP8266EX | 
                                                                            
                                            | Protocol | 802.11b/g/n | 
                                                                            
                                            | Power - Output | 20.5dBm | 
                                                                            
                                            | RF Family/Standard | WiFi | 
                                                                            
                                            | Antenna Type | Integrated, Trace | 
                                                                            
                                            | Sensitivity | -98dBm | 
                                                                            
                                            | Serial Interfaces | GPIO, I2C, I2S, PWM, UART | 
                                                                            
                                            | Current - Transmitting | 120mA~170mA | 
                                                                            
                                            | Modulation | 64-QAM, BPSK, CCK, OFDM | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                ESP-WROOM-02D Overview
RF Transceiver' mounting is done by using Surface Mount.It uses the Tape & Reel (TR) package in order to optimize the performance of this RF Transceiver module.Operating at -40°C~85°C is the recommended temperature for Transceiver's operation.2.7V~3.6V voltage can be supplied by the RF Transceiver.A RF Transceiver Module operates at a frequency of 2.4GHz~2.5GHz.
ESP-WROOM-02D Features
Surface Mount
Tape & Reel (TR) package
2.7V~3.6V volts
ESP-WROOM-02D Applications
There are a lot of Espressif Systems ESP-WROOM-02D RF Transceiver Modules applications. 
- Wireless Price Tags
- Receive
- Secure Payment
- Internet Radio
- Low Noise Amplifier (LNA)
- Medical
- Low-power IoT applications
- Home and Security
- POS Terminals
- Transmit