diff --git a/cdcprolific.cpp b/cdcprolific.cpp
index f1a97376..fd39ed45 100644
--- a/cdcprolific.cpp
+++ b/cdcprolific.cpp
@@ -68,7 +68,7 @@ uint8_t PL::Init(uint8_t parent, uint8_t port, bool lowspeed)
 	if( rcode ) 
 		goto FailGetDevDescr;
 
-	if (((USB_DEVICE_DESCRIPTOR*)buf)->idVendor != PL_VID || ((USB_DEVICE_DESCRIPTOR*)buf)->idProduct != PL_PID)
+	if (((USB_DEVICE_DESCRIPTOR*)buf)->idVendor != PL_VID && ((USB_DEVICE_DESCRIPTOR*)buf)->idProduct != PL_PID )
 		return USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED;
 
 	// Save type of PL chip
diff --git a/cdcprolific.h b/cdcprolific.h
index e3702bc5..095f39d3 100644
--- a/cdcprolific.h
+++ b/cdcprolific.h
@@ -33,8 +33,10 @@ e-mail   :  support@circuitsathome.com
 #include "confdescparser.h"
 #include "cdcacm.h"
 
-#define PL_VID									0x067B  
-#define PL_PID									0x2303  
+#define PL_VID									0x067B
+#define PL_PID									( 0x2303 || 0x0609 )
+
+//#define PL_PID                    0x0609
 
 #define PROLIFIC_REV_H							0x0202
 #define PROLIFIC_REV_X							0x0300
diff --git a/examples/pl2303/pl2303_gprs_terminal/pl2303_gprs_terminal.pde b/examples/pl2303/pl2303_gprs_terminal/pl2303_gprs_terminal.pde
new file mode 100644
index 00000000..5d1fecda
--- /dev/null
+++ b/examples/pl2303/pl2303_gprs_terminal/pl2303_gprs_terminal.pde
@@ -0,0 +1,104 @@
+/* Arduino terminal for PL2303 USB to serial converter and DealeXtreme GPRS modem. */
+/* USB support */
+#include <avrpins.h>
+#include <max3421e.h>
+#include <usbhost.h>
+#include <usb_ch9.h>
+#include <Usb.h>
+#include <usbhub.h>
+#include <avr/pgmspace.h>
+#include <address.h>
+/* CDC support */
+#include <cdcacm.h>
+#include <cdcprolific.h>
+/* Debug support */
+#include <printhex.h>
+#include <message.h>
+#include <hexdump.h>
+#include <parsetools.h>
+
+class PLAsyncOper : public CDCAsyncOper
+{
+public:
+    virtual uint8_t OnInit(ACM *pacm);
+};
+
+uint8_t PLAsyncOper::OnInit(ACM *pacm)
+{
+    uint8_t rcode;
+    
+    // Set DTR = 1
+    rcode = pacm->SetControlLineState(1);
+
+    if (rcode)
+    {
+        ErrorMessage<uint8_t>(PSTR("SetControlLineState"), rcode);
+        return rcode;
+    }
+
+    LINE_CODING	lc;
+    //lc.dwDTERate	= 9600;
+    lc.dwDTERate = 115200;
+    lc.bCharFormat	= 0;
+    lc.bParityType	= 0;
+    lc.bDataBits	= 8;	
+	
+    rcode = pacm->SetLineCoding(&lc);
+
+    if (rcode)
+        ErrorMessage<uint8_t>(PSTR("SetLineCoding"), rcode);
+            
+    return rcode;
+}
+USB     Usb;
+//USBHub     Hub(&Usb);
+PLAsyncOper  AsyncOper;
+PL           Pl(&Usb, &AsyncOper);
+
+void setup()
+{
+  Serial.begin( 115200 );
+  Serial.println("Start");
+
+  if (Usb.Init() == -1)
+      Serial.println("OSCOKIRQ failed to assert");
+      
+  delay( 200 ); 
+}
+
+void loop()
+{
+    Usb.Task();
+  
+    if( Usb.getUsbTaskState() == USB_STATE_RUNNING )
+    {  
+       uint8_t rcode;
+       
+       /* reading the keyboard */
+       if(Serial.available()) {
+         uint8_t data= Serial.read();
+       
+         /* sending to the phone */
+         rcode = Pl.SndData(1, &data);
+         if (rcode)
+            ErrorMessage<uint8_t>(PSTR("SndData"), rcode);
+       }//if(Serial.available()...
+       
+        /* reading the converter */
+        /* buffer size must be greater or equal to max.packet size */
+        /* it it set to 64 (largest possible max.packet size) here, can be tuned down
+        for particular endpoint */
+        uint8_t  buf[64];           
+        uint16_t rcvd = 64;
+        rcode = Pl.RcvData(&rcvd, buf);
+         if (rcode && rcode != hrNAK)
+           ErrorMessage<uint8_t>(PSTR("Ret"), rcode);
+            
+           if( rcvd ) { //more than zero bytes received
+             for(uint16_t i=0; i < rcvd; i++ ) {
+               Serial.print(buf[i]); //printing on the screen               
+             }              
+           }//if( rcvd ...
+    }//if( Usb.getUsbTaskState() == USB_STATE_RUNNING..    
+}
+
diff --git a/hiduniversal.cpp b/hiduniversal.cpp
new file mode 100644
index 00000000..e3dae0eb
--- /dev/null
+++ b/hiduniversal.cpp
@@ -0,0 +1,416 @@
+#include "hiduniversal.h"
+
+HIDUniversal::HIDUniversal(USB *p) : 
+		HID(p),
+		qNextPollTime(0),
+		bPollEnable(false),
+		bHasReportId(false)
+{
+	Initialize();
+
+	if (pUsb)
+		pUsb->RegisterDeviceClass(this);
+}
+
+uint16_t HIDUniversal::GetHidClassDescrLen(uint8_t type, uint8_t num)
+{
+	for (uint8_t i=0, n=0; i<HID_MAX_HID_CLASS_DESCRIPTORS; i++)
+	{
+		if (descrInfo[i].bDescrType == type)
+		{
+			if (n == num)
+				return descrInfo[i].wDescriptorLength;
+			n ++;
+		}
+	}
+	return 0;
+}
+
+void HIDUniversal::Initialize()
+{
+	for (uint8_t i=0; i<MAX_REPORT_PARSERS; i++)
+	{
+		rptParsers[i].rptId		= 0;
+		rptParsers[i].rptParser = NULL;
+	}
+	for (uint8_t i=0; i<HID_MAX_HID_CLASS_DESCRIPTORS; i++)
+	{
+		descrInfo[i].bDescrType			= 0;
+		descrInfo[i].wDescriptorLength	= 0;
+	}
+	for (uint8_t i=0; i<maxHidInterfaces; i++)
+	{
+		hidInterfaces[i].bmInterface	= 0;
+		hidInterfaces[i].bmProtocol		= 0;
+
+		for (uint8_t j=0; j<maxEpPerInterface; j++)
+			hidInterfaces[i].epIndex[j] = 0;
+	}
+	for(uint8_t i=0; i<totalEndpoints; i++)
+	{
+		epInfo[i].epAddr		= 0;
+		epInfo[i].maxPktSize	= (i) ? 0 : 8;
+		epInfo[i].epAttribs		= 0;
+
+		if (!i)
+			epInfo[i].bmNakPower	= USB_NAK_MAX_POWER;
+	}
+	bNumEP		= 1;
+	bNumIface	= 0;
+	bConfNum	= 0;
+}
+
+bool HIDUniversal::SetReportParser(uint8_t id, HIDReportParser *prs)
+{
+	for (uint8_t i=0; i<MAX_REPORT_PARSERS; i++)
+	{
+		if (rptParsers[i].rptId == 0 && rptParsers[i].rptParser == NULL)
+		{
+			rptParsers[i].rptId		= id;
+			rptParsers[i].rptParser = prs;
+			return true;
+		}
+	}
+	return false;
+}
+
+HIDReportParser* HIDUniversal::GetReportParser(uint8_t id)
+{
+	if (!bHasReportId)
+		return ((rptParsers[0].rptParser) ? rptParsers[0].rptParser : NULL);
+
+	for (uint8_t i=0; i<MAX_REPORT_PARSERS; i++)
+	{
+		if (rptParsers[i].rptId == id)
+			return rptParsers[i].rptParser;
+	}
+	return NULL;
+}
+
+uint8_t HIDUniversal::Init(uint8_t parent, uint8_t port, bool lowspeed)
+{
+	const uint8_t constBufSize = sizeof(USB_DEVICE_DESCRIPTOR);
+
+	uint8_t		buf[constBufSize];
+	uint8_t		rcode;
+	UsbDevice	*p = NULL;
+	EpInfo		*oldep_ptr = NULL;
+	uint8_t		len = 0;
+	uint16_t	cd_len = 0;
+
+	uint8_t		num_of_conf;	// number of configurations
+	uint8_t		num_of_intf;	// number of interfaces
+
+	AddressPool	&addrPool = pUsb->GetAddressPool();
+
+	USBTRACE("HU Init\r\n");
+
+	if (bAddress)
+		return USB_ERROR_CLASS_INSTANCE_ALREADY_IN_USE;
+
+	// Get pointer to pseudo device with address 0 assigned
+	p = addrPool.GetUsbDevicePtr(0);
+
+	if (!p)
+		return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
+
+	if (!p->epinfo)
+	{
+		USBTRACE("epinfo\r\n");
+		return USB_ERROR_EPINFO_IS_NULL;
+	}
+
+	// Save old pointer to EP_RECORD of address 0
+	oldep_ptr = p->epinfo;
+
+	// Temporary assign new pointer to epInfo to p->epinfo in order to avoid toggle inconsistence
+	p->epinfo = epInfo;
+
+	p->lowspeed = lowspeed;
+
+	// Get device descriptor
+	rcode = pUsb->getDevDescr( 0, 0, 8, (uint8_t*)buf );
+
+	if  (!rcode)
+		len = (buf[0] > constBufSize) ? constBufSize : buf[0];
+
+	if( rcode ) 
+	{
+		// Restore p->epinfo
+		p->epinfo = oldep_ptr;
+
+		goto FailGetDevDescr;
+	}
+
+	// Restore p->epinfo
+	p->epinfo = oldep_ptr;
+
+	// Allocate new address according to device class
+	bAddress = addrPool.AllocAddress(parent, false, port);
+
+	if (!bAddress)
+		return USB_ERROR_OUT_OF_ADDRESS_SPACE_IN_POOL;
+
+	// Extract Max Packet Size from the device descriptor
+	epInfo[0].maxPktSize = (uint8_t)((USB_DEVICE_DESCRIPTOR*)buf)->bMaxPacketSize0; 
+
+	// Assign new address to the device
+	rcode = pUsb->setAddr( 0, 0, bAddress );
+
+	if (rcode)
+	{
+		p->lowspeed = false;
+		addrPool.FreeAddress(bAddress);
+		bAddress = 0;
+		USBTRACE2("setAddr:",rcode);
+		return rcode;
+	}
+
+	USBTRACE2("Addr:", bAddress);
+
+	p->lowspeed = false;
+
+	p = addrPool.GetUsbDevicePtr(bAddress);
+
+	if (!p)
+		return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
+
+	p->lowspeed = lowspeed;
+
+	if (len)
+		rcode = pUsb->getDevDescr( bAddress, 0, len, (uint8_t*)buf );
+
+	if(rcode) 
+		goto FailGetDevDescr;
+
+	num_of_conf = ((USB_DEVICE_DESCRIPTOR*)buf)->bNumConfigurations;
+
+	// Assign epInfo to epinfo pointer
+	rcode = pUsb->setEpInfoEntry(bAddress, 1, epInfo);
+
+	if (rcode)
+		goto FailSetDevTblEntry;
+
+	USBTRACE2("NC:", num_of_conf);
+
+	for (uint8_t i=0; i<num_of_conf; i++)
+	{
+		HexDumper<USBReadParser, uint16_t, uint16_t>		HexDump;
+		ConfigDescParser<USB_CLASS_HID, 0, 0, 
+			CP_MASK_COMPARE_CLASS>							confDescrParser(this);
+
+		rcode = pUsb->getConfDescr(bAddress, 0, i, &HexDump);
+		rcode = pUsb->getConfDescr(bAddress, 0, i, &confDescrParser);
+		
+		if (bNumEP > 1)
+			break;
+	} // for
+	
+	if (bNumEP < 2)
+		return USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED;
+
+	// Assign epInfo to epinfo pointer
+	rcode = pUsb->setEpInfoEntry(bAddress, bNumEP, epInfo);
+
+	USBTRACE2("\r\nCnf:", bConfNum);
+
+	// Set Configuration Value
+	//rcode = pUsb->setConf(bAddress, 0, 0);
+	rcode = pUsb->setConf(bAddress, 0, bConfNum);
+
+	if (rcode)
+		goto FailSetConfDescr;
+
+	for (uint8_t i=0; i<bNumIface; i++)
+	{
+		if (hidInterfaces[i].epIndex[epInterruptInIndex] == 0)
+			continue;
+
+		USBTRACE("Proto\r\n");
+
+		//rcode = SetProtocol(hidInterfaces[i].bmInterface, HID_RPT_PROTOCOL);
+
+		//if (rcode)
+		//	goto FailSetProtocol;
+
+		rcode = SetIdle(hidInterfaces[i].bmInterface, 0, 0);
+
+		if (rcode)
+			goto FailSetIdle;
+	}
+
+	USBTRACE("HU configured\r\n");
+
+	{
+		HexDumper<USBReadParser, uint16_t, uint16_t>    Hex;
+		ReportDescParser                                Rpt;
+
+		if (rcode = GetReportDescr(0, &Hex))
+			goto FailGetReportDescr;
+	        
+		if (rcode = GetReportDescr(0, &Rpt))
+			goto FailGetReportDescr;
+	}
+	bPollEnable = true;
+	return 0;
+
+FailGetDevDescr:
+	USBTRACE("getDevDescr:");
+	goto Fail;
+
+FailSetDevTblEntry:
+	USBTRACE("setDevTblEn:");
+	goto Fail;
+
+FailGetConfDescr:
+	USBTRACE("getConf:");
+	goto Fail;
+
+FailSetConfDescr:
+	USBTRACE("setConf:");
+	goto Fail;
+
+FailSetProtocol:
+	USBTRACE("SetProto:");
+	goto Fail;
+
+FailSetIdle:
+	USBTRACE("SetIdle:");
+	goto Fail;
+
+FailGetReportDescr:
+	USBTRACE("GetReportDescr:");
+	goto Fail;
+
+Fail:
+	Serial.println(rcode, HEX);
+	Release();
+	return rcode;
+}
+
+HIDUniversal::HIDInterface* HIDUniversal::FindInterface(uint8_t iface, uint8_t alt, uint8_t proto)
+{
+	for (uint8_t i=0; i<bNumIface && i<maxHidInterfaces; i++)
+		if (hidInterfaces[i].bmInterface == iface && hidInterfaces[i].bmAltSet == alt
+			&& hidInterfaces[i].bmProtocol == proto)
+			return hidInterfaces + i;
+	return NULL;
+}
+
+void HIDUniversal::EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *pep) 
+{
+	// If the first configuration satisfies, the others are not concidered.
+	if (bNumEP > 1 && conf != bConfNum)
+		return;
+
+	ErrorMessage<uint8_t>(PSTR("\r\nConf.Val"), conf);
+	ErrorMessage<uint8_t>(PSTR("Iface Num"), iface);
+	ErrorMessage<uint8_t>(PSTR("Alt.Set"), alt);
+
+	bConfNum = conf;
+
+	uint8_t			index	= 0;
+	HIDInterface	*piface = FindInterface(iface, alt, proto);
+	
+	// Fill in interface structure in case of new interface 
+	if (!piface)
+	{
+		piface				= hidInterfaces + bNumIface;
+		piface->bmInterface = iface;
+		piface->bmAltSet	= alt;
+		piface->bmProtocol	= proto;
+		bNumIface ++;
+	}
+
+	if ((pep->bmAttributes & 0x03) == 3 && (pep->bEndpointAddress & 0x80) == 0x80)
+	{
+		USBTRACE("I8\r\n");
+		index = epInterruptInIndex;
+	}
+	else
+	{
+		USBTRACE("I0\r\n");
+		index = epInterruptOutIndex;
+	}
+
+	if (index)
+	{
+		USBTRACE2("Ind:", index);
+
+		// Fill in the endpoint info structure
+		epInfo[bNumEP].epAddr		= (pep->bEndpointAddress & 0x0F);
+		epInfo[bNumEP].maxPktSize	= (uint8_t)pep->wMaxPacketSize;
+		epInfo[bNumEP].epAttribs	= 0;
+
+		// Fill in the endpoint index list
+		piface->epIndex[index] = bNumEP;			//(pep->bEndpointAddress & 0x0F);
+
+		bNumEP ++;
+	}
+	PrintEndpointDescriptor(pep);
+}
+
+
+uint8_t HIDUniversal::Release()
+{
+	pUsb->GetAddressPool().FreeAddress(bAddress);
+
+	bNumEP				= 1;
+	bAddress			= 0;
+	qNextPollTime		= 0;
+	bPollEnable			= false;
+	return 0;
+}
+
+uint8_t HIDUniversal::Poll()
+{
+	uint8_t rcode = 0;
+
+	if (!bPollEnable)
+		return 0;
+
+	if (qNextPollTime <= millis())
+	{
+		qNextPollTime = millis() + 50;
+
+		const uint8_t const_buff_len = 16;
+		uint8_t buf[const_buff_len];
+
+		for (uint8_t i=0; i<bNumIface; i++)
+		{
+			uint8_t		index	= hidInterfaces[i].epIndex[epInterruptInIndex];
+			uint16_t	read	= (uint16_t)epInfo[index].maxPktSize;
+
+			USBTRACE2("i:",	i);
+			USBTRACE2("Ind:", index);
+			USBTRACE2("EP:",  epInfo[index].epAddr);
+			USBTRACE2("Rd:",  read);
+
+			uint8_t rcode = pUsb->inTransfer(bAddress, epInfo[index].epAddr, &read, buf);
+
+			if (rcode)
+			{
+				if (rcode != hrNAK)
+					USBTRACE2("Poll:", rcode);
+				else
+					USBTRACE2("poll:", rcode);
+				return rcode;
+			}
+			Serial.print("Read:");
+			PrintHex<uint8_t>(read);
+			Serial.println("");
+
+			for (uint8_t i=0; i<read; i++)
+				PrintHex<uint8_t>(buf[i]);
+			if (read)
+				Serial.println("");
+
+			HIDReportParser		*prs = GetReportParser( ((bHasReportId) ? *buf : 0) );
+
+			if (prs)
+				prs->Parse(this, bHasReportId, (uint8_t)read, buf);
+		}
+
+	}
+	return rcode;
+}
diff --git a/hiduniversal.h b/hiduniversal.h
new file mode 100644
index 00000000..ba56ddf6
--- /dev/null
+++ b/hiduniversal.h
@@ -0,0 +1,67 @@
+#if !defined(__HIDUNIVERSAL_H__)
+#define __HIDUNIVERSAL_H__
+
+#include "hid.h"
+#include "hidescriptorparser.h"
+
+class HIDUniversal : public HID
+{
+	struct ReportParser
+	{
+		uint8_t				rptId;
+		HIDReportParser		*rptParser;
+	}	rptParsers[MAX_REPORT_PARSERS];
+
+	// HID class specific descriptor type and length info obtained from HID descriptor
+	HID_CLASS_DESCRIPTOR_LEN_AND_TYPE	descrInfo[HID_MAX_HID_CLASS_DESCRIPTORS];
+
+	// Returns HID class specific descriptor length by its type and order number
+	uint16_t GetHidClassDescrLen(uint8_t type, uint8_t num);
+
+	EpInfo		epInfo[totalEndpoints];
+
+	struct HIDInterface
+	{
+		struct
+		{
+			uint8_t		bmInterface	: 3;
+			uint8_t		bmAltSet	: 3;
+			uint8_t		bmProtocol	: 2;
+		};
+		uint8_t			epIndex[maxEpPerInterface];
+	};
+	
+	HIDInterface	hidInterfaces[maxHidInterfaces];
+
+	uint8_t		bConfNum;				// configuration number
+	uint8_t		bNumIface;				// number of interfaces in the configuration
+	uint8_t		bNumEP;					// total number of EP in the configuration
+	uint32_t	qNextPollTime;			// next poll time
+	bool		bPollEnable;			// poll enable flag
+
+	void Initialize();
+	HIDInterface* FindInterface(uint8_t iface, uint8_t alt, uint8_t proto);
+
+protected:
+	bool		bHasReportId;
+
+	// HID implementation
+	virtual HIDReportParser* GetReportParser(uint8_t id);
+
+public:
+	HIDUniversal(USB *p);
+
+	// HID implementation
+	virtual bool SetReportParser(uint8_t id, HIDReportParser *prs);
+
+	// USBDeviceConfig implementation
+	virtual uint8_t Init(uint8_t parent, uint8_t port, bool lowspeed);
+	virtual uint8_t Release();
+	virtual uint8_t Poll();
+	virtual uint8_t GetAddress() { return bAddress; };
+
+	// UsbConfigXtracter implementation
+	virtual void EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *ep);
+};
+
+#endif // __HIDUNIVERSAL_H__
\ No newline at end of file