Used when the VH10 is used in indoor/outdoor areas where an externally mounted antenna is needed for better coverage. Dual band, 802.11a/b/g/n, 2 dBi, RPSMA connector, magnetic mount, 2.9 meter cable This genuine accessory is made to work with select Zebra Mobile Computers Built to ensure the highest quality, reliability, and performance. Works with Zebra's high-end performance products.