diff --git a/README.md b/README.md
index 75c9f03a..233416cd 100644
--- a/README.md
+++ b/README.md
@@ -287,6 +287,7 @@ See [CONTRIBUTING.md](./docs/CONTRIBUTING.md).
[201] Unbranded SolarTPMS for trucks
[202] Funkbus / Instafunk (Berker, Jira, Jung)
[203] Porsche Boxster/Cayman TPMS
+ [204] Jasco/GE Choice Alert Security Devices
* Disabled by default, use -R n or -G
diff --git a/conf/rtl_433.example.conf b/conf/rtl_433.example.conf
index 39bedbf1..ec2e30e6 100644
--- a/conf/rtl_433.example.conf
+++ b/conf/rtl_433.example.conf
@@ -424,6 +424,7 @@ stop_after_successful_events false
protocol 201 # Unbranded SolarTPMS for trucks
protocol 202 # Funkbus / Instafunk (Berker, Jira, Jung)
protocol 203 # Porsche Boxster/Cayman TPMS
+ protocol 204 # Jasco/GE Choice Alert Security Devices
## Flex devices (command line option "-X")
diff --git a/include/rtl_433_devices.h b/include/rtl_433_devices.h
index 6c14a0d6..a740f1ff 100644
--- a/include/rtl_433_devices.h
+++ b/include/rtl_433_devices.h
@@ -211,6 +211,7 @@
DECL(tpms_truck) \
DECL(funkbus_remote) \
DECL(tpms_porsche) \
+ DECL(jasco) \
/* Add new decoders here. */
diff --git a/man/man1/rtl_433.1 b/man/man1/rtl_433.1
index 4aced948..3d83aaaa 100644
--- a/man/man1/rtl_433.1
+++ b/man/man1/rtl_433.1
@@ -166,7 +166,7 @@ RTL\-SDR device driver is available.
To set gain for RTL\-SDR use \-g <gain> to set an overall gain in dB.
.RE
.RS
-SoapySDR device driver is available.
+SoapySDR device driver is not available.
.RE
.TP
[ \fB\-d\fI ""\fP ]
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 234d9971..3bafc98f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -123,6 +123,7 @@ add_library(r_433 STATIC
devices/insteon.c
devices/interlogix.c
devices/intertechno.c
+ devices/jasco.c
devices/kedsum.c
devices/kerui.c
devices/klimalogg.c
diff --git a/src/devices/jasco.c b/src/devices/jasco.c
new file mode 100644
index 00000000..dca43186
--- /dev/null
+++ b/src/devices/jasco.c
@@ -0,0 +1,103 @@
+/** @file
+ Jasco/GE Choice Alert Wireless Device Decoder.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+*/
+/**
+Jasco/GE Choice Alert Wireless Device Decoder.
+
+- Frequency: 318.01 MHz
+
+v0.1 based on the contact and water sensors Model 45131 / FCC ID QOB45131-3
+
+v0.2 corrected decoder
+
+v0.3 internal naming consistancies
+
+*/
+
+#include "decoder.h"
+
+#define JASCO_MSG_BIT_LEN 86
+
+static int jasco_decode(r_device *decoder, bitbuffer_t *bitbuffer)
+{
+
+ if (bitbuffer->bits_per_row[0] != JASCO_MSG_BIT_LEN && bitbuffer->bits_per_row[0] != JASCO_MSG_BIT_LEN+1) {
+ if (decoder->verbose > 1 && bitbuffer->bits_per_row[0] > 0) {
+ fprintf(stderr, "%s: invalid bit count %d\n", __func__,
+ bitbuffer->bits_per_row[0]);
+ }
+ return DECODE_ABORT_LENGTH;
+ }
+
+ uint8_t b[4];
+ uint8_t chk;
+ uint32_t sensor_id = 0;
+ int s_closed=0;
+// int battery=0;
+ bitbuffer_t packet_bits;
+ data_t *data;
+ uint8_t const preamble[] = {0xfc, 0x0c};
+ unsigned bitpos = 0;
+
+ if (decoder->verbose > 1) {
+ bitbuffer_debug(bitbuffer);
+ }
+ bitpos = bitbuffer_search(bitbuffer, 0, 0, preamble, sizeof(preamble) * 8) + sizeof(preamble) * 8;
+
+ bitpos = bitbuffer_manchester_decode(bitbuffer, 0, bitpos, &packet_bits, 87);
+
+ bitbuffer_extract_bytes(&packet_bits, 0, 0,b, 32);
+
+ if (decoder->verbose > 1) {
+ bitbuffer_debug(&packet_bits);
+ }
+
+ bitbuffer_clear(&packet_bits);
+
+ chk = b[0] ^ b[1] ^ b[2];
+ if (chk != b[3]) {
+ return DECODE_FAIL_MIC;
+ }
+
+
+ sensor_id = (b[0] << 8)+ b[1];
+
+ s_closed = ((b[2] & 0xef) == 0xef);
+
+
+ /* clang-format off */
+ data = data_make(
+ "model", "", DATA_STRING, "Jasco/GE Choice Alert Security Devices",
+ "id", "Id", DATA_INT, sensor_id,
+ "status", "Closed", DATA_INT, s_closed,
+ "mic", "Integrity", DATA_STRING, "CRC",
+ NULL);
+ /* clang-format on */
+
+ decoder_output_data(decoder, data);
+ return 1;
+}
+
+static char *output_fields[] = {
+ "model",
+ "id",
+ "status",
+ "mic",
+ NULL,
+};
+
+r_device jasco = {
+ .name = "Jasco/GE Choice Alert Security Devices",
+ .modulation = OOK_PULSE_PCM_RZ,
+ .short_width = 250,
+ .long_width = 250,
+ .reset_limit = 1800, // Maximum gap size before End Of Message
+ .decode_fn = &jasco_decode,
+ .fields = output_fields,
+
+};
diff --git a/vs15/rtl_433.vcxproj b/vs15/rtl_433.vcxproj
index 803cdf2b..bf04a4ee 100644
--- a/vs15/rtl_433.vcxproj
+++ b/vs15/rtl_433.vcxproj
@@ -254,6 +254,7 @@ COPY ..\..\libusb\MS64\dll\libusb*.dll $(TargetDir)</Command>
<ClCompile Include="..\src\devices\insteon.c" />
<ClCompile Include="..\src\devices\interlogix.c" />
<ClCompile Include="..\src\devices\intertechno.c" />
+ <ClCompile Include="..\src\devices\jasco.c" />
<ClCompile Include="..\src\devices\kedsum.c" />
<ClCompile Include="..\src\devices\kerui.c" />
<ClCompile Include="..\src\devices\klimalogg.c" />
diff --git a/vs15/rtl_433.vcxproj.filters b/vs15/rtl_433.vcxproj.filters
index 6c090546..0c10520e 100644
--- a/vs15/rtl_433.vcxproj.filters
+++ b/vs15/rtl_433.vcxproj.filters
@@ -499,6 +499,9 @@
<ClCompile Include="..\src\devices\intertechno.c">
<Filter>Source Files\devices</Filter>
</ClCompile>
+ <ClCompile Include="..\src\devices\jasco.c">
+ <Filter>Source Files\devices</Filter>
+ </ClCompile>
<ClCompile Include="..\src\devices\kedsum.c">
<Filter>Source Files\devices</Filter>
</ClCompile>