diff --git a/apps/cgs/forms.py b/apps/cgs/forms.py
new file mode 100644
index 0000000..95382fe
--- /dev/null
+++ b/apps/cgs/forms.py
@@ -0,0 +1,21 @@
+from django import forms
+from .models import CGSConfiguration
+
+class CGSConfigurationForm(forms.ModelForm):
+    #freq0.widget = te 
+    def __init__(self, *args, **kwargs):
+        #request = kwargs.pop('request')
+        super(CGSConfigurationForm, self).__init__(*args, **kwargs)
+
+    def clean(self):
+        # Custom validation to force an integer when type of unit = "Unit"
+        form_data = self.cleaned_data
+        if (form_data['freq0'] or form_data['freq1'] or form_data['freq2'] or form_data['freq3'] < 0):
+            raise forms.ValidationError("Please introduce positive Number")
+
+        return form_data
+
+    class Meta:
+        model = CGSConfiguration
+        #exclude = ('freqs', 'clk_in', 'mult','div',)
+        exclude = ('freqs',)
diff --git a/apps/cgs/models.py b/apps/cgs/models.py
index 71a8362..76f547e 100644
--- a/apps/cgs/models.py
+++ b/apps/cgs/models.py
@@ -1,3 +1,23 @@
 from django.db import models
 
+from json_field import JSONField
+from django.core.validators import MinValueValidator, MaxValueValidator
+
+
+from apps.main.models import Device, Experiment
+
 # Create your models here.
+class CGSConfiguration(models.Model):
+
+    device = models.ForeignKey(Device)
+    exp    = models.ForeignKey(Experiment, default = None)
+    freq0 = models.FloatField(verbose_name='Frequency 0',validators=[MinValueValidator(62.5e6), MaxValueValidator(450e6)])  
+    freq1 = models.FloatField(verbose_name='Frequency 1',validators=[MinValueValidator(62.5e6), MaxValueValidator(450e6)])  
+    freq2 = models.FloatField(verbose_name='Frequency 2',validators=[MinValueValidator(62.5e6), MaxValueValidator(450e6)])
+    freq3 = models.PositiveIntegerField(verbose_name='Frequency 3',validators=[MinValueValidator(62.5e6), MaxValueValidator(450e6)])  
+    freqs = JSONField(default={"frequencies":[{"f0":freq0,"f1":freq1,"f2":freq2,"f3":freq3}]}, blank=True)
+    #clk_in = models.PositiveIntegerField(default=10e6)
+    #mult = models.PositiveIntegerField(default=40)
+    #div = models.PositiveIntegerField(default=1)
+
+
diff --git a/apps/cgs/templates/index_cgs.html b/apps/cgs/templates/index_cgs.html
new file mode 100644
index 0000000..36f0a92
--- /dev/null
+++ b/apps/cgs/templates/index_cgs.html
@@ -0,0 +1,22 @@
+{% extends "base.html" %}
+{% load bootstrap3 %}
+{% block mainactive %}active{% endblock %}
+
+{% block content-title %}DEVICE CGS{% endblock %}
+{% block content-suptitle %}CLOCK GENERATOR AND SYNCHRONIZER{% endblock %}
+
+{% block content %}
+<p class="text-justify">
+  Ingresar Frecuencias
+</p>
+<div class='col-md-8'>
+    {% bootstrap_form form size='medium' %} 
+<button type="submit" class="btn btn-primary pull-right">Submit</button>   
+</div>
+{% endblock %}
+
+{% block sidebar%}
+
+{% endblock %}
+
+
diff --git a/apps/cgs/urls.py b/apps/cgs/urls.py
index 21e5f48..a570bc3 100644
--- a/apps/cgs/urls.py
+++ b/apps/cgs/urls.py
@@ -1,5 +1,14 @@
 from django.conf.urls import patterns, url
 
-urlpatterns = patterns('apps.cgs.views',
+from . import views
 
+#urlpatterns = patterns('apps.cgs.views',
+#    url(r'^$', views.index, name='index')
+#)
+
+urlpatterns = (
+    url(r'^configuration/$', 'apps.cgs.views.configurate_frequencies', name='new_device'),
 )
+
+#url(r'^new/experiment/$', 'apps.main.views.new_experiment', name='new_experiment')
+
diff --git a/apps/cgs/views.py b/apps/cgs/views.py
index 91ea44a..a02c41b 100644
--- a/apps/cgs/views.py
+++ b/apps/cgs/views.py
@@ -1,3 +1,22 @@
-from django.shortcuts import render
+from django.shortcuts import render, render_to_response
+from django.template import RequestContext
+
+from .forms import CGSConfigurationForm
 
 # Create your views here.
+
+def configurate_frequencies(request):
+    kwargs = {}
+    form = CGSConfigurationForm()
+
+    data = {
+        'form': form,
+        'title': ('YAP'),
+    }
+
+    return render_to_response('index_cgs.html', data, context_instance=RequestContext(request))
+    #return render_to_response("index.html", kwargs, context_instance=RequestContext(request))
+    #return_to_response('index.html', {'title': 'Configura','form': form}, context_instance=RequestContext(request))
+
+
+