The TRF1001 (2dBi) and TRF1002 (5dBi) external antennas from Aristotle Enterprises are suitable for 2.54 GHz WiFi, ZigBee and MiWi. They include a right angle swivel connection that fits into a panel sleeve with 2 panel sleeves included for 1 mm and 1.5 mm thicknesses. The antennas also have a 150 mm long cable with an I-PEX connector on the end.