ESP32-WROOM-32E vs LM822 Comparison
Detailed side-by-side comparison of ESP32-WROOM-32E by Espressif Systems and LM822 by LM Technologies. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
LM Technologies
LM822 - 802.11 b/g/n WiFi Module with IC Antenna, USB HCI | LM Technologies
LM822 ✓ ActiveSpecification Comparison
| Parameter | ESP32-WROOM-32E | LM822 |
|---|---|---|
| Brand | Espressif Systems | LM Technologies |
| Category | RF Modules | RF Modules |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.86 | $11.40 |
| Core SoC | ESP32-D0WD-V3 | — |
| CPU | Dual-core Xtensa LX6, up to 240 MHz | — |
| SRAM | 520 KB | — |
| ROM | 448 KB | — |
| Wi-Fi Standard | 802.11 b/g/n, 2.4 GHz to 2.5 GHz | — |
| Bluetooth | v4.2 BR/EDR + BLE, Class 1, 2 and 3 | — |
| Supply Voltage | 3.0 V to 3.6 V (typical 3.3 V) | 5 V (USB bus powered) |
| Operating Temperature | -40C to +85C | — |
| Antenna Type | Integrated PCB antenna | — |
| Package Dimensions | 18 x 25.5 x 3.1 mm | — |
| Pin Count | 38 castellated pads | — |
| Mounting Type | Surface Mount | — |
| Flash Memory | [DATA_NEEDED: flash size suffix (N4/N8/N16)] | — |
| Peripherals | SPI, I2C, I2S, UART, CAN, PWM, ADC, DAC, touch sensor | — |
| RoHS Status | Compliant | Compliant (per LM Technologies product page) |
| Module Type | — | WiFi 802.11 b/g/n module (WiFi 4) |
| Frequency Band | — | 2.4 GHz ISM band |
| Wireless Standards | — | IEEE 802.11b, 802.11g, 802.11n |
| Maximum Data Rate | — | 150 Mbps (PHY, single stream) |
| Host Interface | — | USB (HCI - Host Controller Interface) |
| Antenna | — | Onboard IC (chip) antenna |
| Modulation | — | BPSK, QPSK, 16-QAM, 64-QAM |
| Encryption / Security | — | WEP, TKIP, AES, WPA, WPA2 |
| 802.11e (QoS) Support | — | Yes - bursting and standards compliance |
| 802.11I (Security) Support | — | Yes |
| OS Driver Support | — | Linux, macOS X, Windows 10 IoT Core, Windows XP to 10, Windows Compact Embedded 6/7 |
| Module Variant Ordering Code (example) | — | LM822-1452 |
| Mounting / Integration | — | Plug-and-play USB dongle-style module |