EMRB65C-32.768K EMRB65C-32.768K TR EMRB81B-32.768K EMRB81B-32.768K TR EMRB81C-32.768K EMRB81C-32.768K TR EMRB82B-32.768K EMRB82B-32.768K TR EMRB82C-32.768K EMRB82C-32.768K TR