Part#	Frequency	Size
RCA-W1A0-1204-Z-001 PDF Spec	433 MHz	12.0 x 4.0 mm
RCA-868-P-1204-A37-G PDF Spec	868 MHz	12.0 x 4.0 mm
RCA-915-7020-S1-S-TR PDF Spec	915 MHz	7.0 x 2.0 mm