diff --git a/network/teltonika/snmp/mode/system.pm b/network/teltonika/snmp/mode/system.pm
new file mode 100644
index 000000000..ec2a018c3
--- /dev/null
+++ b/network/teltonika/snmp/mode/system.pm
@@ -0,0 +1,202 @@
+#
+# Copyright 2018 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package network::teltonika::snmp::mode::system;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+use centreon::plugins::templates::catalog_functions qw(catalog_status_threshold catalog_status_calc);
+use Digest::MD5 qw(md5_hex);
+
+sub custom_status_output {
+    my ($self, %options) = @_;
+
+    my $msg = sprintf("connection state is '%s' [pin state: '%s'] [net state: '%s'][sim state: '%s']", 
+        $self->{result_values}->{connection_state},
+        $self->{result_values}->{pin_state},
+        $self->{result_values}->{net_state},
+        $self->{result_values}->{sim_state},
+    );
+    return $msg;
+}
+
+sub set_counters {
+    my ($self, %options) = @_;
+    
+    $self->{maps_counters_type} = [
+        { name => 'global', type => 0, skipped_code => { -10 => 1 } },
+    ];
+    $self->{maps_counters}->{global} = [
+         { label => 'status', threshold => 0, set => {
+                key_values => [ { name => 'sim_state' }, { name => 'pin_state' }, { name => 'net_state' }, { name => 'connection_state' } ],
+                closure_custom_calc => \&catalog_status_calc,
+                closure_custom_output => $self->can('custom_status_output'),
+                closure_custom_perfdata => sub { return 0; },
+                closure_custom_threshold_check => \&catalog_status_threshold,
+            }
+        },
+        { label => 'signal-strength', nlabel => 'system.signal.strength.dbm', display_ok => 0, set => {
+                key_values => [ { name => 'signal' } ],
+                output_template => 'signal strength: %s Dbm',
+                perfdatas => [
+                    { value => 'signal_absolute', template => '%s', min => 0 , unit => 'Dbm' },
+                ],
+            }
+        },
+        { label => 'temperature', nlabel => 'system.temperature.celsius', display_ok => 0, set => {
+                key_values => [ { name => 'temperature' } ],
+                output_template => 'temperature: %s C',
+                perfdatas => [
+                    { value => 'temperature_absolute', template => '%s', min => 0 , unit => 'C' },
+                ],
+            }
+        },
+        { label => 'traffic-in', nlabel => 'system.traffic.in.bitspersecond', display_ok => 0, set => {
+                key_values => [ { name => 'traffic_in', diff => 1 } ],
+                output_template => 'traffic in: %s %s/s',
+                per_second => 1, output_change_bytes => 2,
+                perfdatas => [
+                    { value => 'traffic_in_per_second', template => '%s',
+                      min => 0, unit => 'b/s' },
+                ],
+            }
+        },
+        { label => 'traffic-out', nlabel => 'system.traffic.out.bitspersecond', display_ok => 0, set => {
+                key_values => [ { name => 'traffic_out', diff => 1 } ],
+                output_template => 'traffic out: %s %s/s',
+                per_second => 1, output_change_bytes => 2,
+                perfdatas => [
+                    { value => 'traffic_out_per_second', template => '%s',
+                      min => 0, unit => 'b/s' },
+                ],
+            }
+        },
+        { label => 'signal-receive-power', nlabel => 'system.signal.receive.power.dbm', display_ok => 0, set => {
+                key_values => [ { name => 'rsrp' } ],
+                output_template => 'signal receive power: %s Dbm',
+                perfdatas => [
+                    { value => 'rsrp_absolute', template => '%s', min => 0 , unit => 'Dbm' },
+                ],
+            }
+        },
+        { label => 'signal-receive-quality', nlabel => 'system.signal.receive.quality.dbm', display_ok => 0, set => {
+                key_values => [ { name => 'rsrq' } ],
+                output_template => 'signal receive quality: %s Dbm',
+                perfdatas => [
+                    { value => 'rsrq_absolute', template => '%s', min => 0 , unit => 'Dbm' },
+                ],
+            }
+        },
+    ];
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1, force_new_perfdata => 1);
+    bless $self, $class;
+    
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments => {
+        'warning-status:s'          => { name => 'warning_status', default => '' },
+        'critical-status:s'         => { name => 'critical_status', default => '%{connection_state} !~ /connected/i' },
+    });
+    
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    $self->change_macros(macros => ['warning_status', 'critical_status']);
+}
+
+sub manage_selection {
+    my ($self, %options) = @_;
+    
+    my $oid_SimState = '.1.3.6.1.4.1.48690.2.1.0';
+    my $oid_PinState = '.1.3.6.1.4.1.48690.2.2.0';
+    my $oid_NetState = '.1.3.6.1.4.1.48690.2.3.0';
+    my $oid_Signal = '.1.3.6.1.4.1.48690.2.4.0';
+    my $oid_ConnectionState = '.1.3.6.1.4.1.48690.2.7.0';
+    my $oid_Temperature = '.1.3.6.1.4.1.48690.2.9.0';
+    my $oid_Sent = '.1.3.6.1.4.1.48690.2.19.0';
+    my $oid_Received = '.1.3.6.1.4.1.48690.2.20.0';
+    my $oid_RSRP = '.1.3.6.1.4.1.48690.2.23.0';
+    my $oid_RSRQ = '.1.3.6.1.4.1.48690.2.24.0';
+    my $result = $options{snmp}->get_leef(oids => [
+        $oid_SimState, $oid_PinState, $oid_NetState, $oid_ConnectionState,
+        $oid_Signal, $oid_Temperature, $oid_Sent, $oid_Received,
+        $oid_RSRP, $oid_RSRQ
+    ], nothing_quit => 1);
+
+    $self->{cache_name} = "teltonika_" . $options{snmp}->get_hostname()  . '_' . $options{snmp}->get_port() . '_' . $self->{mode} . '_' .
+        (defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all'));
+    
+    $self->{global} = { 
+        sim_state => defined($result->{$oid_SimState}) ? $result->{$oid_SimState} : '-',
+        pin_state => defined($result->{$oid_PinState}) ? $result->{$oid_PinState} : '-',
+        net_state => defined($result->{$oid_NetState}) ? $result->{$oid_NetState} : '-',
+        connection_state => $result->{$oid_ConnectionState},
+        signal => $result->{$oid_Signal},
+        temperature => $result->{$oid_Temperature} / 10,
+        traffic_in => $result->{$oid_Received} * 8,
+        traffic_out => $result->{$oid_Sent} * 8,
+        rsrp => $result->{$oid_RSRP},
+        rsrq => $result->{$oid_RSRQ},
+    };
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check system.
+
+=over 8
+
+=item B<--filter-counters>
+
+Only display some counters (regexp can be used).
+Example: --filter-counters='status'
+
+=item B<--warning-status>
+
+Set warning threshold for status (Default: '').
+Can used special variables like: %{sim_state}, %{pin_state}, %{net_state}, %{connection_state}
+
+=item B<--critical-status>
+
+Set critical threshold for status (Default: '%{connection_state} !~ /connected/i').
+Can used special variables like:  %{sim_state}, %{pin_state}, %{net_state}, %{connection_state}
+
+=item B<--warning-*> B<--critical-*>
+
+Thresholds.
+Can be: 'signal-strength', 'temperature', 'traffic-in', 'traffic-out'
+'signal-receive-power', 'signal-receive-quality'.
+
+=back
+
+=cut
diff --git a/network/teltonika/snmp/plugin.pm b/network/teltonika/snmp/plugin.pm
new file mode 100644
index 000000000..1c0317ad6
--- /dev/null
+++ b/network/teltonika/snmp/plugin.pm
@@ -0,0 +1,50 @@
+#
+# Copyright 2018 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package network::teltonika::snmp::plugin;
+
+use strict;
+use warnings;
+use base qw(centreon::plugins::script_snmp);
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+
+    $self->{version} = '1.0';
+    %{$self->{modes}} = (
+        'interfaces'        => 'snmp_standard::mode::interfaces', 
+        'list-interfaces'   => 'snmp_standard::mode::listinterfaces',
+        'system'            => 'network::teltonika::snmp::mode::system',
+    );
+
+    return $self;
+}
+
+1;
+
+__END__
+
+=head1 PLUGIN DESCRIPTION
+
+Check Teltonika equipments in SNMP
+
+=cut