Model Number: CPA-120401 Key Specifications/Special Features: 12*12*4 ceramic patch antenna is suitable for the applications of handheld device in the consumer productsNot only good antenna performance but also smaller size, it will be the best choice to the internal passive patch antenna in the handheld devicesDue to the narrow bandwidth, it is needed to do the special tuning with device to obtain the optimal performance.1. Operation frequency: 1575.42 ±1.023MHz2. VSWR: <2 at 50Ω3. Gain: 3 dBic at 70mm square ground plane4. Polarization: RHCP5. Axial ratio: <3dB6. Size: 12.2*12.2*4mmRoHS Directive-compliantODM/OEM are welcome