IC available at 125KHz nominal
TK4100, EM4100, EM4102, EM4450,
NXP Hiatg1, Hitag2, HitagS256, HitagS2048,
Atmel temic 5567

IC available at 13.56MHz nominal
NXP MIFARE® S50, MIFARE® S70, MIFARE® DESFire® MF3ICD41,
MIFARE Ultralight®, Icode1, Icode Sli , Legic mim256,
JWL872, TI256, TI2048,  INSIDE picopass 2KS

IC available at 868-915MHz nominal
Ucode HSL, Ucode Gen2, G2 XL, G2XM, MONZA Gen2 from Impinj, XRA G2 from ST