Old part number FR05-S1-N-0-104 available here.
The Slim Reach Xtend Bluetooth Chip Antenna for wireless headsets is a tiny rectangular 3D-shaped antenna suitable for small headset devices operating at 2.4 GHz where high performance, low-cost and reduced form factor are mandatory. Its broad bandwidth ensures high quality signal reception and transmission across wireless devices and different plastic housing regardless of how a user positions the device.
Bands: ISM 2.4 GHz band.
Dimensions: 7.0 mm x 3.0 mm x 0.9 mm
Tags: Automotive, Bluetooth, Diversity, ebook, Headsets, IoT (internet of things), ISM, jewelry, Laptop, MIMO, Modules, netbook, phablet, Point of Sales, POS, ReachXTEND, ring, router, Sensors, set top box, Smartwatch, Tablet, usb, Wearables, Wifi, WLAN