Quatech WLNG-SP-DP551 Antenna: U.FL Antenna Connector: U.FL x 2 Applications: WLAN Current - Receiving: 310mA Current - Transmitting: 240mA Data Interface: Connector, 36 Pin Header Data Rate - Maximum: 54Mbps Frequency: 2.4GHz ~ 2.4835GHz Interface Type: SPI Memory Size: - Mfg Application Notes: Transition to DP550 Devices AppNote Modulation: DBPSK, DQPSK, CCK, BPSK, QPSK, 16QAM, 64QAM Modulation Or Protocol: 802.11 b/g Operating Temperature: -40?°C ~ 85?°C Operating Temperature Range: - 40 C to + 85 C Package / Case: Module Power - Output: - Security: 64/128 bit WEP, WPA, AES, EAP Sensitivity: -98dBm Series: Airborne?„? Voltage - Supply: 3.3VDC Wireless Frequency: 2.48 GHz