diff --git a/reach/client/protocol/v1/init.go b/reach/client/protocol/v1/init.go
index 522bb43..cb0ac21 100644
--- a/reach/client/protocol/v1/init.go
+++ b/reach/client/protocol/v1/init.go
@@ -2,6 +2,7 @@ package v1
 
 import "forge.cadoles.com/cadoles/go-emlid/reach/client/protocol"
 
+// Deprecated : is no longer maintained for modules in V1
 func init() {
 	protocol.Register(Identifier, func(opts *protocol.ProtocolOptions) (protocol.Protocol, error) {
 		return &Protocol{
diff --git a/reach/client/protocol/v1/internal.go b/reach/client/protocol/v1/internal.go
index 888f3a8..18ea0f7 100644
--- a/reach/client/protocol/v1/internal.go
+++ b/reach/client/protocol/v1/internal.go
@@ -22,12 +22,14 @@ const (
 	eventSettingsResetToDefault = "settings reset to default"
 )
 
+// Deprecated : is no longer maintained for modules in V1
 type configurationApplied struct {
 	Configuration *model.Configuration `mapstructure:"configuration,omitempty"`
 	Result        string               `mapstructure:"result"`
 	Constraints   *model.Constraints   `mapstructure:"constraints,omitempty"`
 }
 
+// Deprecated : is no longer maintained for modules in V1
 func (o *Operations) ApplyConfiguration(ctx context.Context, config *model.Configuration) (string, *model.Configuration, error) {
 	o.logger.Debug("applying configuration", logger.Attr("configuration", spew.Sdump(config)))
 
@@ -41,6 +43,7 @@ func (o *Operations) ApplyConfiguration(ctx context.Context, config *model.Confi
 	return res.Result, res.Configuration, nil
 }
 
+// Deprecated : is no longer maintained for modules in V1
 func (o *Operations) RequestConfiguration(ctx context.Context) (*model.Configuration, error) {
 	configuration := &model.Configuration{}
 	if err := o.ReqResp(ctx, eventGetConfiguration, nil, eventCurrentConfiguration, configuration); err != nil {
@@ -49,6 +52,7 @@ func (o *Operations) RequestConfiguration(ctx context.Context) (*model.Configura
 	return configuration, nil
 }
 
+// Deprecated : is no longer maintained for modules in V1
 // ReqResp emits an event with the given data and waits for a response
 func (o *Operations) ReqResp(ctx context.Context,
 	requestEvent string, requestData any,
diff --git a/reach/client/protocol/v1/model/configuration.go b/reach/client/protocol/v1/model/configuration.go
index 2c5779f..fb55449 100644
--- a/reach/client/protocol/v1/model/configuration.go
+++ b/reach/client/protocol/v1/model/configuration.go
@@ -1,5 +1,6 @@
 package model
 
+// Deprecated : is no longer maintained for modules in V1
 var (
 	// On -
 	On = String("on")
diff --git a/reach/client/protocol/v1/model/message.go b/reach/client/protocol/v1/model/message.go
index 13185f8..06ffbd5 100644
--- a/reach/client/protocol/v1/model/message.go
+++ b/reach/client/protocol/v1/model/message.go
@@ -1,5 +1,6 @@
 package model
 
+// Deprecated : is no longer maintained for modules in V1
 type TaskMessage struct {
 	Name    string                 `json:"name"`
 	State   string                 `json:"state"`
diff --git a/reach/client/protocol/v1/operations.go b/reach/client/protocol/v1/operations.go
index ab46e60..26a596b 100644
--- a/reach/client/protocol/v1/operations.go
+++ b/reach/client/protocol/v1/operations.go
@@ -2,7 +2,6 @@ package v1
 
 import (
 	"context"
-	"encoding/json"
 	"strconv"
 	"strings"
 	"sync"
@@ -14,6 +13,7 @@ import (
 	"github.com/pkg/errors"
 )
 
+// Deprecated : is no longer maintained for modules in V1
 type Operations struct {
 	addr   string
 	client *socketio.Client
@@ -23,6 +23,7 @@ type Operations struct {
 	dial protocol.DialFunc
 }
 
+// Deprecated : is no longer maintained for modules in V1
 // Close implements protocol.Operations.
 func (o *Operations) Close(ctx context.Context) error {
 	o.mutex.Lock()
@@ -37,12 +38,14 @@ func (o *Operations) Close(ctx context.Context) error {
 	return nil
 }
 
+// Deprecated : is no longer maintained for modules in V1
 const (
 	// EventBrowserConnected is emitted after the initial connection to the
 	// ReachView endpoint
 	eventBrowserConnected = "browser connected"
 )
 
+// Deprecated : is no longer maintained for modules in V1
 // Connect implements protocol.Operations.
 func (o *Operations) Connect(ctx context.Context) error {
 	o.mutex.Lock()
@@ -81,6 +84,7 @@ func (o *Operations) Connect(ctx context.Context) error {
 	return nil
 }
 
+// Deprecated : is no longer maintained for modules in V1
 // Emit implements protocol.Operations.
 func (o *Operations) Emit(ctx context.Context, mType string, message any) error {
 	o.mutex.RLock()
@@ -97,6 +101,7 @@ func (o *Operations) Emit(ctx context.Context, mType string, message any) error
 	return nil
 }
 
+// Deprecated : is no longer maintained for modules in V1
 // On implements protocol.Operations.
 func (o *Operations) On(ctx context.Context, event string) (chan any, error) {
 	o.mutex.RLock()
@@ -137,6 +142,7 @@ func (o *Operations) On(ctx context.Context, event string) (chan any, error) {
 	return out, nil
 }
 
+// Deprecated : is no longer maintained for modules in V1
 // Alive implements protocol.Operations.
 func (o *Operations) Alive(ctx context.Context) (bool, error) {
 	o.mutex.RLock()
@@ -149,6 +155,7 @@ func (o *Operations) Alive(ctx context.Context) (bool, error) {
 	return o.client.Alive(), nil
 }
 
+// Deprecated : is no longer maintained for modules in V1
 // Configuration implements protocol.Operations.
 func (o *Operations) Configuration(ctx context.Context) (any, error) {
 	config, err := o.RequestConfiguration(ctx)
@@ -163,6 +170,7 @@ const (
 	eventReboot = "reboot"
 )
 
+// Deprecated : is no longer maintained for modules in V1
 // Reboot implements protocol.Operations.
 func (o *Operations) Reboot(ctx context.Context) error {
 	o.mutex.RLock()
@@ -213,6 +221,7 @@ const (
 	configurationApplyFailed = "failed"
 )
 
+// Deprecated : is no longer maintained for modules in V1
 // SetBase implements protocol.Operations.
 func (o *Operations) SetBase(ctx context.Context, funcs ...protocol.SetBaseOptionFunc) error {
 	rawConfig, err := o.Configuration(ctx)
@@ -298,6 +307,7 @@ func (o *Operations) SetBase(ctx context.Context, funcs ...protocol.SetBaseOptio
 	return nil
 }
 
+// Deprecated : is no longer maintained for modules in V1
 // GetBaseInfo implements protocol.Operations.
 func (o *Operations) GetBaseInfo(ctx context.Context) (*protocol.BaseInfo, error) {
 	rawConfig, err := o.Configuration(ctx)
@@ -354,6 +364,7 @@ type reachViewVersion struct {
 	Stable  bool   `json:"bool"`
 }
 
+// Deprecated : is no longer maintained for modules in V1
 // Version implements protocol.Operations.
 func (o *Operations) Version(ctx context.Context) (string, bool, error) {
 	res := &reachViewVersion{}
@@ -364,79 +375,24 @@ func (o *Operations) Version(ctx context.Context) (string, bool, error) {
 	return strings.TrimSpace(res.Version), res.Stable, nil
 }
 
+// Deprecated : is no longer maintained for modules in V1
 func (o *Operations) AveragePosition(ctx context.Context) (*protocol.TaskMessage, error) {
-	var err error
-
-	go func() {
-		<-ctx.Done()
-		err = ctx.Err()
-	}()
-
-	if err = o.client.Emit("task", map[string]string{"name": "average_base_coordinates"}); err != nil {
-		return nil, err
-	}
-	ch, err := o.On(ctx, "task_status")
-	for message := range ch {
-		// Convertir vers notre struct
-		jsonData, err := json.Marshal(message)
-		if err != nil {
-			continue
-		}
-
-		var taskMsg protocol.TaskMessage
-		if err := json.Unmarshal(jsonData, &taskMsg); err != nil {
-			continue
-		}
-
-		if taskMsg.State == "completed" {
-			return &taskMsg, nil
-		}
-	}
-
-	return nil, err
+	return nil, protocol.ErrUnimplemented
 }
 
-// TODO À VOIR POUR LES VERSION 1
+// Deprecated : is no longer maintained for modules in V1
 func (o *Operations) GetNTRIPMountPoint(ctx context.Context) error {
-	var err error
-
-	go func() {
-		<-ctx.Done()
-		err = ctx.Err()
-	}()
-	payloadJSON, err := json.Marshal(map[string]interface{}{
-		"address": "crtk.net",
-		"port":    2101,
-	})
-	if err = o.client.Emit("task", map[string]string{"name": "get_ntrip_mountpoints", "payload": string(payloadJSON)}); err != nil {
-		return err
-	}
-
-	return err
+	return protocol.ErrUnimplemented
 }
 
-// todo
+// Deprecated : is no longer maintained for modules in V1
 func (o *Operations) SetBaseCorrections(ctx context.Context, funcs ...protocol.SetBaseCorrectionsFunc) error {
-	var err error
-
-	go func() {
-		<-ctx.Done()
-		err = ctx.Err()
-	}()
-	// todo
-	payloadJSON, err := json.Marshal(map[string]interface{}{
-		"address": "crtk.net",
-		"port":    2101,
-	})
-	if err = o.client.Emit("task", map[string]string{"name": "get_ntrip_mountpoints", "payload": string(payloadJSON)}); err != nil {
-		return err
-	}
-
-	return err
+	return protocol.ErrUnimplemented
 }
+
+// Deprecated : is no longer maintained for modules in V1
 func (o *Operations) SetModem(ctx context.Context, funcs ...protocol.SetModemOptionsFunc) error {
-	var err error
-	return err
+	return protocol.ErrUnimplemented
 }
 
 var _ protocol.Operations = &Operations{}
diff --git a/reach/client/protocol/v1/protocol.go b/reach/client/protocol/v1/protocol.go
index c78dcf0..baf2c59 100644
--- a/reach/client/protocol/v1/protocol.go
+++ b/reach/client/protocol/v1/protocol.go
@@ -10,6 +10,7 @@ import (
 	"github.com/pkg/errors"
 )
 
+// Deprecated : is no longer maintained for modules in V1
 const Identifier protocol.Identifier = "v1"
 
 const compatibleVersionConstraint = "^2.24"
@@ -19,6 +20,7 @@ type Protocol struct {
 	dial   protocol.DialFunc
 }
 
+// Deprecated : is no longer maintained for modules in V1
 // Available implements protocol.Protocol.
 func (p *Protocol) Available(ctx context.Context, addr string) (bool, error) {
 	ops := p.Operations(addr).(*Operations)
@@ -53,11 +55,13 @@ func (p *Protocol) Available(ctx context.Context, addr string) (bool, error) {
 	return true, nil
 }
 
+// Deprecated : is no longer maintained for modules in V1
 // Identifier implements protocol.Protocol.
 func (p *Protocol) Identifier() protocol.Identifier {
 	return Identifier
 }
 
+// Deprecated : is no longer maintained for modules in V1
 // Operations implements protocol.Protocol.
 func (p *Protocol) Operations(addr string) protocol.Operations {
 	return &Operations{addr: addr, logger: p.logger, dial: p.dial}