| PartNumber | RN131C/RM481 | RN131C/RM | RN131C/RM475 |
| Description | WiFi Modules (802.11) ULP WiFi 802.11 b/g U.FL connector | WiFi Modules (802.11) WiFly GSX 802.11b/g Mod Commercial Temp | WiFi Modules (802.11) ULP WiFi 802.11 Module w on brd Ant |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | WiFi Modules (802.11) | WiFi Modules (802.11) | WiFi Modules (802.11) |
| RoHS | Y | Y | Y |
| Protocol Supported | 802.11 b/g | 802.11 b/g | - |
| Frequency | 2.405 GHz to 2.48 GHz | 2.4 GHz | - |
| Data Rate | 1 Mb/s | 11 Mb/s, 54 Mb/s | - |
| Interface Type | SPI, UART | SPI, UART | - |
| Output Power | 18 dBm | 18 dBm | - |
| Operating Supply Voltage | 3.3 V | 3.3 V | - |
| Supply Current Transmitting | 210 mA | 210 mA | - |
| Supply Current Receiving | 40 mA | 40 mA | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Packaging | Tray | Tray | Tray |
| Security | WEP, WPA, WPA2 | WEP, WPA, WPA2 | - |
| Series | RN131 | RN131 | RN131 |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Antenna Connector Type | Chip, U.FL | Chip, U.FL | - |
| Product Type | WiFi Modules | WiFi Modules | WiFi Modules |
| Factory Pack Quantity | 35 | 35 | 35 |
| Subcategory | Wireless & RF Modules | Wireless & RF Modules | Wireless & RF Modules |
| Unit Weight | 1.234589 oz | 0.232808 oz | - |
| Dimensions | - | 38 mm x 20 mm x 4 mm | - |
| Modulation Technique | - | DSSS, OFDM | - |