Part#FrequencySize RCA-W1A0-1204-Z-001 PDF Spec433 MHz12.0 x 4.0 mm RCA-868-P-1204-A37-G PDF Spec868 MHz 12.0 x 4.0 mm RCA-915-7020-S1-S-TR PDF Spec915 MHz7.0 x 2.0 mm