diff --git a/CMakeLists.txt b/CMakeLists.txt
index c207b37..b69a0c5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -177,6 +177,7 @@ set(SRC_FILES
 	communication/packet/iso9141packet.cpp
 	communication/packet/ethphyregpacket.cpp
 	communication/packet/logicaldiskinfopacket.cpp
+	communication/packet/wivicommandpacket.cpp
 	communication/decoder.cpp
 	communication/encoder.cpp
 	communication/ethernetpacketizer.cpp
diff --git a/communication/decoder.cpp b/communication/decoder.cpp
index 060d2bd..91f2d6f 100644
--- a/communication/decoder.cpp
+++ b/communication/decoder.cpp
@@ -6,6 +6,7 @@
 #include "icsneo/communication/message/canerrorcountmessage.h"
 #include "icsneo/communication/message/neoreadmemorysdmessage.h"
 #include "icsneo/communication/message/extendedresponsemessage.h"
+#include "icsneo/communication/message/wiviresponsemessage.h"
 #include "icsneo/communication/message/flexray/control/flexraycontrolmessage.h"
 #include "icsneo/communication/command.h"
 #include "icsneo/device/device.h"
@@ -16,6 +17,7 @@
 #include "icsneo/communication/packet/versionpacket.h"
 #include "icsneo/communication/packet/ethphyregpacket.h"
 #include "icsneo/communication/packet/logicaldiskinfopacket.h"
+#include "icsneo/communication/packet/wivicommandpacket.h"
 #include <iostream>
 
 using namespace icsneo;
@@ -299,6 +301,14 @@ bool Decoder::decode(std::shared_ptr<Message>& result, const std::shared_ptr<Pac
 					}
 					return true;
 				}
+				case Network::NetID::WiVICommand: {
+					result = WiVI::CommandPacket::DecodeToMessage(packet->data);
+					if(!result) {
+						report(APIEvent::Type::PacketDecodingError, APIEvent::Severity::EventWarning);
+						return false;
+					}
+					return true;
+				}
 				case Network::NetID::EthPHYControl: {
 					result = HardwareEthernetPhyRegisterPacket::DecodeToMessage(packet->data, report);
 					if(!result) {
diff --git a/communication/packet/wivicommandpacket.cpp b/communication/packet/wivicommandpacket.cpp
new file mode 100644
index 0000000..efe23d3
--- /dev/null
+++ b/communication/packet/wivicommandpacket.cpp
@@ -0,0 +1,87 @@
+#include "icsneo/communication/packet/wivicommandpacket.h"
+#include "icsneo/communication/message/wiviresponsemessage.h"
+
+using namespace icsneo;
+
+std::shared_ptr<WiVI::ResponseMessage> WiVI::CommandPacket::DecodeToMessage(const std::vector<uint8_t>& bytestream) {
+	if(bytestream.size() < sizeof(WiVI::CommandPacket::Header))
+		return {};
+
+	auto msg = std::make_shared<WiVI::ResponseMessage>();
+	const auto& header = *reinterpret_cast<const WiVI::CommandPacket::Header*>(bytestream.data());
+	switch(header.cmd) {
+		case WiVI::Command::Result: {
+			if(bytestream.size() < sizeof(WiVI::CommandPacket::Result))
+				return {};
+
+			if(bytestream.size() != sizeof(WiVI::CommandPacket::Header) + header.length)
+				return {};
+
+			const auto& decoded = *reinterpret_cast<const WiVI::CommandPacket::Result*>(bytestream.data());
+			msg->responseTo = decoded.responseTo;
+			msg->success = decoded.result != 0;
+			break;
+		}
+		case WiVI::Command::GetSignal: {
+			// Use the SetSignal structure since it matches the response
+			if(bytestream.size() < sizeof(WiVI::CommandPacket::SetSignal))
+				return {};
+
+			if(bytestream.size() != sizeof(WiVI::CommandPacket::SetSignal) + header.length)
+				return {};
+
+			const auto& setSignal = *reinterpret_cast<const WiVI::CommandPacket::SetSignal*>(bytestream.data());
+			msg->responseTo = WiVI::Command::GetSignal;
+			msg->value = setSignal.value.ValueInt32;
+			break;
+		}
+		case WiVI::Command::GetAll: {
+			if(bytestream.size() < sizeof(WiVI::CommandPacket::GetAll))
+				return {};
+
+			if(bytestream.size() != sizeof(WiVI::CommandPacket::GetAll) + header.length)
+				return {};
+
+			const auto& getAll = *reinterpret_cast<const WiVI::CommandPacket::GetAll*>(bytestream.data());
+			msg->responseTo = WiVI::Command::GetAll;
+			msg->info.emplace();
+			msg->info->sleepRequest = getAll.sleepRequest;
+			msg->info->connectionTimeoutMinutes = getAll.connectionTimeoutMinutes;
+
+			// Check that we have enough data for the capture infos
+			if(bytestream.size() < sizeof(WiVI::CommandPacket::GetAll) + (sizeof(WiVI::CaptureInfo) * getAll.numCaptureInfos))
+				return {};
+
+			msg->info->captures.resize(getAll.numCaptureInfos);
+			for(uint16_t i = 0; i < getAll.numCaptureInfos; i++)
+				msg->info->captures[i] = getAll.captureInfos[i];
+			break;
+		}
+		default: // Unknown command response
+			return {};
+	}
+	return msg;
+}
+
+std::vector<uint8_t> WiVI::CommandPacket::GetSignal::Encode(WiVI::SignalType type) {
+	std::vector<uint8_t> ret(sizeof(WiVI::CommandPacket::GetSignal));
+	auto& frame = *reinterpret_cast<WiVI::CommandPacket::GetSignal*>(ret.data());
+
+	frame.header.cmd = WiVI::Command::GetSignal;
+	frame.header.length = sizeof(frame) - sizeof(frame.header);
+	frame.type = type;
+
+	return ret;
+}
+
+std::vector<uint8_t> WiVI::CommandPacket::SetSignal::Encode(WiVI::SignalType type, CoreMiniFixedPointValue value) {
+	std::vector<uint8_t> ret(sizeof(WiVI::CommandPacket::SetSignal));
+	auto& frame = *reinterpret_cast<WiVI::CommandPacket::SetSignal*>(ret.data());
+
+	frame.header.cmd = WiVI::Command::SetSignal;
+	frame.header.length = sizeof(frame) - sizeof(frame.header);
+	frame.type = type;
+	frame.value = value;
+
+	return ret;
+}
diff --git a/device/device.cpp b/device/device.cpp
index 9500f8c..247103a 100644
--- a/device/device.cpp
+++ b/device/device.cpp
@@ -5,6 +5,8 @@
 #include "icsneo/device/extensions/deviceextension.h"
 #include "icsneo/platform/optional.h"
 #include "icsneo/disk/fat.h"
+#include "icsneo/communication/packet/wivicommandpacket.h"
+#include "icsneo/communication/message/wiviresponsemessage.h"
 #include <string.h>
 #include <iostream>
 #include <sstream>
@@ -787,6 +789,38 @@ optional<double> Device::getAnalogIO(IO type, size_t number /* = 1 */) {
 	return nullopt;
 }
 
+bool Device::allowSleep(bool remoteWakeup) {
+	if(!isOpen()) {
+		report(APIEvent::Type::DeviceCurrentlyClosed, APIEvent::Severity::Error);
+		return false;
+	}
+
+	static std::shared_ptr<MessageFilter> filter = std::make_shared<MessageFilter>(Message::Type::WiVICommandResponse);
+	const auto generic = com->waitForMessageSync([this, remoteWakeup]() {
+		// VSSAL sets bit0 to indicate that it's waiting to sleep, then
+		// it waits for Wireless neoVI to acknowledge by clearing it.
+		// If we set bit1 at the same time we clear bit0, remote wakeup
+		// will be suppressed (assuming the device supported it in the
+		// first place)
+		return com->sendCommand(Command::WiVICommand, WiVI::CommandPacket::SetSignal::Encode(
+			WiVI::SignalType::SleepRequest, remoteWakeup ? 0 : 2
+		));
+	}, filter);
+
+	if(!generic || generic->type != Message::Type::WiVICommandResponse) {
+		report(APIEvent::Type::NoDeviceResponse, APIEvent::Severity::Error);
+		return false;
+	}
+
+	const auto resp = std::static_pointer_cast<WiVI::ResponseMessage>(generic);
+	if(!resp->success || !resp->value.has_value()) {
+		report(APIEvent::Type::ValueNotYetPresent, APIEvent::Severity::Error);
+		return false;
+	}
+
+	return *resp->value;
+}
+
 Lifetime Device::suppressDisconnects() {
 	std::lock_guard<std::mutex> lk(heartbeatMutex);
 	heartbeatSuppressedByUser++;
diff --git a/include/icsneo/communication/command.h b/include/icsneo/communication/command.h
index 975f67e..568db33 100644
--- a/include/icsneo/communication/command.h
+++ b/include/icsneo/communication/command.h
@@ -23,6 +23,7 @@ enum class Command : uint8_t {
 	ReadSettings = 0xC7, // Previously known as 3G_READ_SETTINGS_EX
 	SetVBattMonitor = 0xDB, // Previously known as RED_CMD_CM_VBATT_MONITOR
 	RequestBitSmash = 0xDC, // Previously known as RED_CMD_CM_BITSMASH
+	WiVICommand = 0xDD, // Previously known as RED_CMD_WIVI_COMM
 	GetVBattReq = 0xDF, // Previously known as RED_CMD_VBATT_REQUEST
 	MiscControl = 0xE7,
 	Extended = 0xF0,
diff --git a/include/icsneo/communication/message/message.h b/include/icsneo/communication/message/message.h
index 3710b44..13ac397 100644
--- a/include/icsneo/communication/message/message.h
+++ b/include/icsneo/communication/message/message.h
@@ -29,6 +29,7 @@ public:
 		EthernetPhyRegister = 0x8007,
 		LogicalDiskInfo = 0x8008,
 		ExtendedResponse = 0x8009,
+		WiVICommandResponse = 0x800a,
 	};
 
 	Message(Type t) : type(t) {}
diff --git a/include/icsneo/communication/message/wiviresponsemessage.h b/include/icsneo/communication/message/wiviresponsemessage.h
new file mode 100644
index 0000000..0e0c1bb
--- /dev/null
+++ b/include/icsneo/communication/message/wiviresponsemessage.h
@@ -0,0 +1,38 @@
+#ifndef __WIVIRESPONSEMESSAGE_H_
+#define __WIVIRESPONSEMESSAGE_H_
+
+#ifdef __cplusplus
+
+#include "icsneo/communication/message/message.h"
+#include "icsneo/communication/command.h"
+#include "icsneo/platform/optional.h"
+#include "icsneo/communication/packet/wivicommandpacket.h"
+#include <string>
+
+namespace icsneo {
+
+namespace WiVI {
+
+struct Info {
+	uint8_t sleepRequest;
+	uint16_t connectionTimeoutMinutes;
+	std::vector<CaptureInfo> captures;
+};
+
+// The response for Command::WiVICommand
+class ResponseMessage : public Message {
+public:
+	ResponseMessage() : Message(Message::Type::WiVICommandResponse) {}
+	bool success = true;
+	optional<Command> responseTo;
+	optional<int32_t> value;
+	optional<Info> info;
+};
+
+} // namespace WiVI
+
+} // namespace icsneo
+
+#endif // __cplusplus
+
+#endif
\ No newline at end of file
diff --git a/include/icsneo/communication/network.h b/include/icsneo/communication/network.h
index 57f999d..71f99b8 100644
--- a/include/icsneo/communication/network.h
+++ b/include/icsneo/communication/network.h
@@ -118,6 +118,7 @@ public:
 		LIN6 = 98,
 		LSFTCAN2 = 99,
 		LogicalDiskInfo = 187,
+		WiVICommand = 221,
 		EthPHYControl = 239,
 		ExtendedCommand = 240,
 		FlexRayControl = 243,
@@ -274,6 +275,7 @@ public:
 			case NetID::Main51:
 			case NetID::ReadSettings:
 			case NetID::LogicalDiskInfo:
+			case NetID::WiVICommand:
 			case NetID::EthPHYControl:
 			case NetID::ExtendedCommand:
 			case NetID::NeoMemorySDRead:
@@ -514,6 +516,8 @@ public:
 				return "LSFTCAN 2";
 			case NetID::LogicalDiskInfo:
 				return "Logical Disk Information";
+			case NetID::WiVICommand:
+				return "WiVI Command";
 			case NetID::EthPHYControl:
 				return "Ethernet PHY Register Control";
 			case NetID::ExtendedCommand:
@@ -917,6 +921,7 @@ private:
 #define ICSNEO_NETID_LIN6 98
 #define ICSNEO_NETID_LSFTCAN2 99
 #define ICSNEO_NETID_LOGICAL_DISK_INFO 187
+#define ICSNEO_NETID_WIVI_COMMAND 221
 #define ICSNEO_NETID_ETH_PHY_CONTROL 239
 #define ICSNEO_NETID_EXTENDED_COMMAND 240
 #define ICSNEO_NETID_FLEXRAY_CONTROL 243
diff --git a/include/icsneo/communication/packet/wivicommandpacket.h b/include/icsneo/communication/packet/wivicommandpacket.h
new file mode 100644
index 0000000..ff2fd1f
--- /dev/null
+++ b/include/icsneo/communication/packet/wivicommandpacket.h
@@ -0,0 +1,131 @@
+#ifndef __WIVICOMMANDPACKET_H_
+#define __WIVICOMMANDPACKET_H_
+
+#ifdef __cplusplus
+
+#include "icsneo/communication/packet.h"
+#include <cstdint>
+#include <vector>
+
+#pragma pack(push,2)
+
+namespace icsneo {
+
+union CoreMiniFixedPointValue {
+	CoreMiniFixedPointValue() {}
+	CoreMiniFixedPointValue(int32_t integralValue) { ValueInt32 = integralValue; }
+
+	struct {
+		union {
+			uint32_t ValueFractionPart;
+			struct {
+				int16_t ValueInt16FractionLSB;
+				int16_t ValueInt16FractionMSB;
+			};
+		};
+		union {
+			int32_t ValueInt32;
+			struct {
+				int16_t ValueInt16;
+				int16_t ValueInt16PartMSB;
+			};
+			struct{
+				uint8_t ValueInt8;
+				uint8_t ValueInt8PartMSB;
+				int16_t ValueInt8Part16MSB;
+			};
+		};
+	};
+	int64_t ValueLarge;
+};
+
+namespace WiVI {
+
+class ResponseMessage; // Forward declaration to avoid cyclic includes
+
+enum class Command : uint16_t {
+	GetAll = 0x0010,
+	ClearUploads = 0x0011,
+	SetSignal = 0x0012,
+	GetSignal = 0x0013,
+	Result = 0x0014,
+	GetPhysicalSignal = 0x0015,
+};
+
+enum class SignalType : uint16_t { // enumCoreMiniValueMiscValueType
+	WokeUpOnSMS = 0x0067,
+	AvailableDiskSpaceKB = 0x0069,
+	ManualTrigger = 0x006c,
+	SleepRequest = 0x006d,
+	ConnectionTimeout = 0x006e,
+	TimeSinceLastMessageMs = 0x006f,
+	UploadsPending = 0x0077,
+};
+
+struct Upload {
+	uint32_t startSector;
+	uint32_t endSector;
+	struct {
+		uint16_t pending : 1;
+		uint16_t started : 1;
+		uint16_t reserved : 14;
+	} flags;
+};
+
+struct CaptureInfo {
+	uint16_t captureBlockIndex; // What capture block is this for
+	struct {
+		uint16_t isPrePost : 1;
+		uint16_t isPreTime : 1; // Only valid if the capture block's bPrePostExtract is set
+		uint16_t uploadOverCellular : 1;
+		uint16_t uploadOverWiFi : 1;
+		uint16_t uploadStackSize : 3; // 0 => size of 1
+		uint16_t uploadOverflow : 1;
+		uint16_t uploadPriority : 4;
+		uint16_t reserved : 4;
+	} flags;
+	// Only valid if the capture block's bPrePostExtract is set
+	uint32_t preTriggerSize;
+	Upload uploadStage;
+	Upload uploadStack[2];
+};
+
+struct CommandPacket {
+	static std::shared_ptr<WiVI::ResponseMessage> DecodeToMessage(const std::vector<uint8_t>& bytestream);
+
+	struct Header {
+		WiVI::Command cmd;
+		uint16_t length;
+	};
+
+	struct Result {
+		Header header;
+		WiVI::Command responseTo;
+		uint16_t result;
+	};
+
+	struct GetSignal {
+		static std::vector<uint8_t> Encode(WiVI::SignalType type);
+
+		Header header;
+		WiVI::SignalType type;
+	};
+
+	struct SetSignal {
+		static std::vector<uint8_t> Encode(WiVI::SignalType type, CoreMiniFixedPointValue value);
+
+		Header header;
+		WiVI::SignalType type;
+		CoreMiniFixedPointValue value;
+	};
+};
+
+} // namespace WiVI
+
+} // namespace icsneo
+
+#pragma pack(pop)
+
+#endif // __cplusplus
+
+#endif
\ No newline at end of file
diff --git a/include/icsneo/device/device.h b/include/icsneo/device/device.h
index 2e439a8..4fcdab1 100644
--- a/include/icsneo/device/device.h
+++ b/include/icsneo/device/device.h
@@ -289,6 +289,8 @@ public:
 	 */
 	optional<double> getAnalogIO(IO type, size_t number = 1);
 
+	bool allowSleep(bool remoteWakeup = false);
+
 	virtual std::vector<std::shared_ptr<FlexRay::Controller>> getFlexRayControllers() const { return {}; }
 
 	void addExtension(std::shared_ptr<DeviceExtension>&& extension);