diff --git a/servers/tk102/readme.md b/servers/tk102/readme.md
new file mode 100644
index 0000000..42fb680
--- /dev/null
+++ b/servers/tk102/readme.md
@@ -0,0 +1,36 @@
+/tk102 data from Brent's device. note that data received is not always complete.
+
+new connection: 24.114.27.177:23299
+total clients: 1
+data: ##,imei:359710049095095,A;
+data: imei:359710049095095,tracker,151006010036,,F,170036.000,A,5105.9768,N,11404.9571,W,0.00,322.56,,0,0,,,;
+data: imei:359710049095095,tracker,151006010106,,F,170107.000,A,5105.9767,N,11404.9572,W,0.02,322.56,,0,0,,,;
+data: 359710049095095;
+data: imei:359710049095095,tracker,151006010136,,F,170136.000,A,5105.9760,N,11404.9565,W,0.01,322.56,,0,0,,,;
+data: imei:359710049095095,tracker,151006010206,,F,170206.000,A,5105.9747,N,11404.9572,W,0.01,322.56,,0,0,,,;
+data: 359710049095095;
+data: imei:359710049095095,tracker,151006010236,,F,170236.000,A,5105.9736,N,11404.9581,W,0.01,322.56,,0,0,,,;
+data: imei:359710049095095,tracker,151006010306,,F,170306.000,A,5105.9736,N,11404.9581,W,0.00,322.56,,0,0,,,;
+data: 359710049095095;
+
+// tk102 data from other device
+1203292316,0031698765432,GPRMC,211657.000,A,5213.0247,N,00516.7757,E,0.00,273.30,290312,,,A*62,F,imei:123456789012345,123
+
+The message sent by tracker to IP address is as following:
+Serial number + authorized number + GPRMC + GPS signal indicator + command + IMEI number + CRC16 checksum.
+* 090723164830 = Serial #(year,month,date,hour,minute,second)
+* +13616959853 = Authorized #
+* GPRMC,214830.000,A,3017.2558,N,09749.4888,W,26.9,108.8,230709,,,A*61 = standard GPRMC sentences.
+* F = GPS signal is full, if it indicate "L", means GPS signal is low
+* Help me = It is the SOS message, and this section is blank for tracking message
+* IMEI = Identifying # of the tracker
+* 05 = Means you get 5 GPS fix (from 3 to 10)
+* 264.5 = Altitude
+* F:3.79V = Battery voltage
+* 0= Means the tracker is NOT charged. 1 means the tracker is charged
+* 122= The length of the GPRS string
+* 13990 = Checksum
+* 310 = MCC Mobile Country Code
+* 01 = MNC Mobile Network Code
+* 0AB0 =LAC Location areacode
+* 345A = CellID
\ No newline at end of file
diff --git a/servers/tk102/socket-client.php b/servers/tk102/socket-client.php
new file mode 100644
index 0000000..574f08c
--- /dev/null
+++ b/servers/tk102/socket-client.php
@@ -0,0 +1,24 @@
+<?php
+
+// $addr = gethostbyname("www.websmithing.com");
+// $addr = "127.0.0.1";
+
+$addr = "45.55.74.181";
+$port = "7331";
+
+$client = stream_socket_client("tcp://$addr:$port", $errno, $errorMessage);
+
+if ($client === false) {
+    throw new UnexpectedValueException("Failed to connect: $errorMessage");
+}
+
+// tk102 data
+$data = "imei:359710049095095,tracker,151006012336,,F,172337.000,A,5105.9792,N,11404.9599,W,0.01,322.56,,0,0,,,\n";
+
+fwrite($client, $data);
+
+while (!feof($client)) {
+    echo fgets($client, 128);
+}
+    
+fclose($client);
diff --git a/servers/tk102/tk102-server.php b/servers/tk102/tk102-server.php
new file mode 100644
index 0000000..3e4476d
--- /dev/null
+++ b/servers/tk102/tk102-server.php
@@ -0,0 +1,58 @@
+<?php
+
+// open a server on port 7331
+$server = stream_socket_server("tcp://0.0.0.0:7331", $errno, $errorMessage);
+
+if ($server === false) {
+    die("stream_socket_server error: $errorMessage");
+}
+
+$client_socks = array();
+
+while (true) {
+    // prepare readable sockets
+    $read_socks = $client_socks;
+    $read_socks[] = $server;
+
+    // start reading and use a large timeout
+    if(!stream_select($read_socks, $write, $except, 300000)) {
+        die('stream_select error.');
+    }
+
+    // new client
+    if(in_array($server, $read_socks)) {
+        $new_client = stream_socket_accept($server);
+
+        if ($new_client) {
+            //print remote client information, ip and port number
+            echo 'new connection: ' . stream_socket_get_name($new_client, true) . "\n";
+
+          $client_socks[] = $new_client;
+            echo "total clients: ". count($client_socks) . "\n";
+
+            // $output = "hello new client.\n";
+            // fwrite($new_client, $output);
+        }
+
+        //delete the server socket from the read sockets
+        unset($read_socks[ array_search($server, $read_socks) ]);
+    }
+
+    // message from existing client
+    foreach ($read_socks as $sock) {
+        $data = fread($sock, 128);
+
+        echo "data: " . $data . "\n";
+
+        if (!$data) {
+            unset($client_socks[ array_search($sock, $client_socks) ]);
+            @fclose($sock);
+            echo "client disconnected. total clients: ". count($client_socks) . "\n";
+            continue;
+        }
+
+        //send the message back to client
+        $response = "ok\n";
+        fwrite($sock, $response);
+    }
+}
\ No newline at end of file