The Tango 25/25A are miniature through-hole mount WiFi/WLAN/Bluetooth/ZigBee antennas. The TANGO 25 is single band on tuned to 2.4 GHz while the TANGO25A is dual band adding in 5.8 GHz frequency band.

They measure just 22 x 22 mm and are one the most compact screw mount WiFi antennas available. A peak gain of 2 dBi on the 2.4 GHz to 2.5 GHz band, and 4 dBi on the 5.1 GHz to 5.9 GHz band providing improved signal transmission/reception of WiFi, Bluetooth or ZigBee products.

Supplied with 100 mm of RG174 coaxial cable with a reverse polarity SMA male connector.
Operating Temperature: -30 to +60?C
Impedance: 50 ?
Gain: 2 dBi @ 2.4 GHz / 5 dBi @ 5 GHz
VSWR: 2 max
Polarisation: Vertical
Radiation: Omnidirectional
Protection: IP65

Operating Frequencies
WiFi/WLAN/Bluetooth/ZigBee: 2.4 GHz to 2.5 GHz
Dual band WiFi: 5.1 GHz to 5.8 GHz

Dimensions
22 mm (diameter), height: 22 mm (excluding screw thread)
Weight: 13 g +/- 2 g
Through hole mount: 8 mm long screw thread