From 078f3cfa14a7a1128687c2335ccda58626e11d88 Mon Sep 17 00:00:00 2001
From: Graeme Rae <graemerae@gmail.com>
Date: Tue, 6 Oct 2020 19:45:08 -0700
Subject: [PATCH] Update adafruit_rockblock.py

Added a function to return Signal Strength
---
 adafruit_rockblock.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/adafruit_rockblock.py b/adafruit_rockblock.py
index fe65777..2081fa4 100644
--- a/adafruit_rockblock.py
+++ b/adafruit_rockblock.py
@@ -190,7 +190,15 @@ def status(self):
             status = resp[1].strip().decode().split(":")[1]
             return tuple([int(a) for a in status.split(",")])
         return (None,) * 6
-
+      
+    @property
+    def signalStrength(self):
+        """Return Signal Strength 0 (no signal) to 5 (strong signal)."""
+        resp = self._uart_xfer("+CSQ")
+        if resp[-1].strip().decode() == "OK":
+            return resp[1].strip().decode().split(":")[1]
+        return None
+      
     @property
     def model(self):
         """Return modem model."""