reverted introducing stream

a_transceiver.py

@@ -0,0 +1,20 @@
+from a_backend import ABackend
+from msg.container import MsgContainer
+from msg.listener import MsgListener
+
+
+class ATransceiver(MsgListener):
+	def __init__(self, name: str):
+		MsgListener.__init__(self)
+		self.name = name
+		self.backend = None
+
+	def on_recv(self, msg: MsgContainer):
+		pass
+
+	def on_register(self, backend: ABackend):
+		self.backend = backend
+
+	def send(self, data: bytes):
+		self.backend.send(self.name, data)
+