diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index 5d2f2146b..5c2788b53 100644
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -1090,6 +1090,12 @@ static void PacketReceived(PacketCommandNG *packet) {
         }
 #endif
 
+// always available
+        case CMD_HF_DROPFIELD: {
+            hf_field_off();
+            break;
+        }
+
 #ifdef WITH_ISO14443a
         case CMD_HF_ISO14443A_SNIFF: {
             SniffIso14443a(packet->data.asBytes[0]);
diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c
index 554fe57fa..e5bf6487a 100644
--- a/armsrc/iso14443a.c
+++ b/armsrc/iso14443a.c
@@ -14,7 +14,7 @@
 #define MAX_ISO14A_TIMEOUT 524288
 static uint32_t iso14a_timeout;
 // if iso14443a not active - transmit/receive dont try to execute
-static bool iso14443a_active = false;
+static bool hf_field_active = false;
 
 uint8_t colpos = 0;
 int rsamples = 0;
@@ -1629,7 +1629,7 @@ void PrepareDelayedTransfer(uint16_t delay) {
 //-------------------------------------------------------------------------------------
 static void TransmitFor14443a(const uint8_t *cmd, uint16_t len, uint32_t *timing) {
 
-    if (!iso14443a_active)
+    if (!hf_field_active)
         return;
 
     FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
@@ -2014,7 +2014,7 @@ bool EmLogTrace(uint8_t *reader_data, uint16_t reader_len, uint32_t reader_Start
 //-----------------------------------------------------------------------------
 bool GetIso14443aAnswerFromTag_Thinfilm(uint8_t *receivedResponse,  uint8_t *received_len) {
 
-    if (!iso14443a_active)
+    if (!hf_field_active)
         return false;
 
     // Set FPGA mode to "reader listen mode", no modulation (listen
@@ -2063,7 +2063,7 @@ bool GetIso14443aAnswerFromTag_Thinfilm(uint8_t *receivedResponse,  uint8_t *rec
 static int GetIso14443aAnswerFromTag(uint8_t *receivedResponse, uint8_t *receivedResponsePar, uint16_t offset) {
     uint32_t c = 0;
 
-    if (!iso14443a_active)
+    if (!hf_field_active)
         return false;
 
     // Set FPGA mode to "reader listen mode", no modulation (listen
@@ -2504,14 +2504,14 @@ void iso14443a_setup(uint8_t fpga_minor_mode) {
     NextTransferTime = 2 * DELAY_ARM2AIR_AS_READER;
     iso14a_set_timeout(1060); // 106 * 10ms default
 
-    iso14443a_active = true;
+    hf_field_active = true;
 }
 
 
-void iso14443a_off(void) {
+void hf_field_off(void) {
     FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
     LEDsoff();
-    iso14443a_active = false;
+    hf_field_active = false;
 }
 
 /* Peter Fillmore 2015
@@ -2716,7 +2716,7 @@ void ReaderIso14443a(PacketCommandNG *c) {
         return;
 
 OUT:
-    iso14443a_off();
+    hf_field_off();
     set_tracing(false);
 }
 
@@ -3011,7 +3011,7 @@ void ReaderMifare(bool first_try, uint8_t block, uint8_t keytype) {
 
     reply_mix(CMD_ACK, isOK, 0, 0, buf, sizeof(buf));
 
-    iso14443a_off();
+    hf_field_off();
     set_tracing(false);
 }
 
@@ -3250,6 +3250,6 @@ void DetectNACKbug(void) {
 
     //reply_mix(CMD_ACK, isOK, num_nacks, i, 0, 0);
     BigBuf_free();
-    iso14443a_off();
+    hf_field_off();
     set_tracing(false);
 }
diff --git a/armsrc/iso14443a.h b/armsrc/iso14443a.h
index fab0dbdeb..323fb8a97 100644
--- a/armsrc/iso14443a.h
+++ b/armsrc/iso14443a.h
@@ -132,7 +132,7 @@ int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, bool send_chaining, void *data, u
 int iso14443a_select_card(uint8_t *uid_ptr, iso14a_card_select_t *p_card, uint32_t *cuid_ptr, bool anticollision, uint8_t num_cascades, bool no_rats);
 int iso14443a_fast_select_card(uint8_t *uid_ptr, uint8_t num_cascades);
 void iso14a_set_trigger(bool enable);
-void iso14443a_off(void);
+void hf_field_off(void);
 
 int EmSendCmd14443aRaw(uint8_t *resp, uint16_t respLen);
 int EmSend4bit(uint8_t resp);
diff --git a/armsrc/thinfilm.c b/armsrc/thinfilm.c
index 93d46e8a1..9230642e0 100644
--- a/armsrc/thinfilm.c
+++ b/armsrc/thinfilm.c
@@ -32,7 +32,7 @@ void ReadThinFilm(void) {
     bool status = GetIso14443aAnswerFromTag_Thinfilm(buf, &len);
     reply_ng(CMD_HF_THINFILM_READ, status ? PM3_SUCCESS : PM3_ENODATA, buf, len);
 
-    iso14443a_off();
+    hf_field_off();
     set_tracing(false);
 }
 
diff --git a/client/cmdhf.c b/client/cmdhf.c
index 2ef54773d..6e1dcccdb 100644
--- a/client/cmdhf.c
+++ b/client/cmdhf.c
@@ -54,42 +54,59 @@ int CmdHFSearch(const char *Cmd) {
 
     PrintAndLogEx(INFO, "Checking for known tags...\n");
 
-    if (infoThinFilm(false) == PM3_SUCCESS) {
-        PrintAndLogEx(SUCCESS, "\nValid " _GREEN_("Thinfilm tag") " found\n");
-        return 1;
+    if (IfPm3NfcBarcode()) {
+        if (infoThinFilm(false) == PM3_SUCCESS) {
+            PrintAndLogEx(SUCCESS, "\nValid " _GREEN_("Thinfilm tag") " found\n");
+            return 1;
+        }
     }
-
-    if (infoHF14A(false, false) > 0) {
-        PrintAndLogEx(SUCCESS, "\nValid " _GREEN_("ISO14443-A tag") " found\n");
-        return 1;
+    if (IfPm3Iso14443a()) {
+        if (infoHF14A(false, false) > 0) {
+            PrintAndLogEx(SUCCESS, "\nValid " _GREEN_("ISO14443-A tag") " found\n");
+            return 1;
+        }
     }
-    if (readHF15Uid(false) == 1) {
-        PrintAndLogEx(SUCCESS, "\nValid " _GREEN_("ISO15693 tag") " found\n");
-        return 1;
+    if (IfPm3Iso15693()) {
+        if (readHF15Uid(false) == 1) {
+            PrintAndLogEx(SUCCESS, "\nValid " _GREEN_("ISO15693 tag") " found\n");
+            DropField();
+            return 1;
+        }
+        DropField();
     }
-    if (readLegicUid(false) == 0) {
-        PrintAndLogEx(SUCCESS, "\nValid " _GREEN_("LEGIC tag") " found\n");
-        return 1;
+    if (IfPm3Legicrf()) {
+        if (readLegicUid(false) == 0) {
+            PrintAndLogEx(SUCCESS, "\nValid " _GREEN_("LEGIC tag") " found\n");
+            return 1;
+        }
     }
-    if (readTopazUid() == 0) {
-        PrintAndLogEx(SUCCESS, "\nValid " _GREEN_("Topaz tag") " found\n");
-        return 1;
+    if (IfPm3Iso14443a()) {
+        if (readTopazUid() == 0) {
+            PrintAndLogEx(SUCCESS, "\nValid " _GREEN_("Topaz tag") " found\n");
+            return 1;
+        }
     }
     // 14b and iclass is the longest test (put last)
-    if (readHF14B(false) == 1) {
-        PrintAndLogEx(SUCCESS, "\nValid " _GREEN_("ISO14443-B tag") " found\n");
-        return 1;
+    if (IfPm3Iso14443a()) {
+        if (readHF14B(false) == 1) {
+            PrintAndLogEx(SUCCESS, "\nValid " _GREEN_("ISO14443-B tag") " found\n");
+            return 1;
+        }
     }
-    if (readIclass(false, false) == 1) {
-        PrintAndLogEx(SUCCESS, "\nValid " _GREEN_("iClass tag / PicoPass tag") " found\n");
-        return 1;
+    if (IfPm3Iclass()) {
+        if (readIclass(false, false) == 1) {
+            PrintAndLogEx(SUCCESS, "\nValid " _GREEN_("iClass tag / PicoPass tag") " found\n");
+            return 1;
+        }
     }
 
     /*
-    ans = CmdHFFelicaReader("s");
-    if (ans) {
-        PrintAndLogEx(NORMAL, "\nValid " _GREEN_("ISO18092 / FeliCa tag") " found\n");
-        return ans;
+    if (IfPm3Felica()) {
+        ans = CmdHFFelicaReader("s");
+        if (ans) {
+            PrintAndLogEx(NORMAL, "\nValid " _GREEN_("ISO18092 / FeliCa tag") " found\n");
+            return ans;
+        }
     }
     */
 
diff --git a/client/util.h b/client/util.h
index f1d55b140..8861045d8 100644
--- a/client/util.h
+++ b/client/util.h
@@ -33,7 +33,7 @@
 
 #ifndef DropField
 #define DropField() { \
-        clearCommandBuffer(); SendCommandMIX(CMD_HF_ISO14443A_READER, 0, 0, 0, NULL, 0); \
+        clearCommandBuffer(); SendCommandNG(CMD_HF_DROPFIELD, NULL, 0); \
     }
 #endif
 
diff --git a/include/pm3_cmd.h b/include/pm3_cmd.h
index 267ac749a..f3231fe5a 100644
--- a/include/pm3_cmd.h
+++ b/include/pm3_cmd.h
@@ -425,6 +425,7 @@ typedef struct {
 #define CMD_MEASURE_ANTENNA_TUNING                                        0x0400
 #define CMD_MEASURE_ANTENNA_TUNING_HF                                     0x0401
 #define CMD_LISTEN_READER_FIELD                                           0x0420
+#define CMD_HF_DROPFIELD                                                  0x0430
 
 // For direct FPGA control
 #define CMD_FPGA_MAJOR_MODE_OFF                                           0x0500