The module SR8242D is based on Qualcomm Atheros AR9342 which is a highly integrated SOC solution for 5GHz IEEE 802.11a/n 2x2 MIMO MAC/BB/Radio. SR8242D designed as a High Power AP or Repeater, data rate up to 54 Mbps for 11a and 150 Mbps for11n@HT20, 300 Mbps for 11n@HT40.
1. Features
Ø 5GHz IEEE 802.11a/n 2x2 MIMO AP or Repeater
Ø Tx Power up to 26dBm@6Mbps
Ø Transmission distance up to 1.5km whenconnected to another AP/Repeater
Ø 128Mb SPI NOR Flash + 512Mb DDR2
Ø MII/RMII/RGMII interface
Ø High=speed UART for console support
Ø USB 2.0 controller with built-in MAC/PHYsupports Host or Device mode
Ø GPIO/LED support
Ø 5V and 3.3 V +/- 10% supply
2. Block Diagram
3. Physical Dimensions
Feature | Description |
WLAN Standard | IEEE 802.11a/n, Wi-Fi Compliant |
Frequency Range | 5.15GHz ~ 5.825GHz (5GHz ISM Band) |
Number of Channels | 5GHz, Refer to the 5GHz Channel Table |
Output Power | 802.11a@6Mbps: 25dBm ± 1.5dB@EVM ≤ -10dB |
802.11a@54Mbps: 20dBm ± 1.5dB@EVM ≤ -25dB | |
802.11n@HT20-MCS0: 24dBm ± 1.5dB@EVM ≤ -28dB | |
802.11n@HT20-MCS7: 19dBm ± 1.5dB@EVM ≤ -28dB | |
802.11n@HT40-MCS0: 23dBm ± 1.5dB@EVM ≤ -28dB | |
802.11n@HT40-MCS7: 18dBm ± 1.5dB@EVM ≤ -28dB | |
Receive Sensitivity (PER ≤ 10%) | 802.11a@6Mbps: PER @ -95dBm, Typical |
802.11a@54Mbps: PER @ -80dBm, Typical | |
802.11n@HT20-MCS0: PER @ -97dBm, Typical | |
802.11n@HT20-MCS7: PER @ -78dBm, Typical | |
802.11n@HT40-MCS0: PER @ -93dBm, Typical | |
802.11n@HT40-MCS7: PER @ -73dBm, Typical |
