https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
UHF RFID Antenna

UHF RFID Antenna

Shenzhen VANCH Intelligent technology co., Ltd
Region: China
Update: 11/10/2012
Key Specifications
Model: VA-95

Dimensions:260mm(L)*130mm(W)*2(H)mm

Weight: 0.1KG

Operating Temp:-70°C to 55°C (-94°F to 131°F)

Storage Temp :-70°C to 80°C (-94°F to 176°F)

Non-condensing enclosure: IP-00

Antenna Connector : MCX (Female)

Gain: 5dBi

Frequency Ranges: 902 or 928 MHz band (We can do as per your requirements)

Polarization: Circular

VSWR :< 1.3

Lightning Protection: Direct Ground

Horizontal 3dB Beam width: 89°

Vertical 3dB Beam width: 59°

Impedance: 50Ω

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions