20% OFF!!! Buy GSM 3G Temperature Humidity Environment Alarm Power Lost SMS Alert Remote Monitoring DC Power Timer Report APP Control RTU5023 only US $68.00.

GSM 3G Temperature Humidity Environment Alarm Power Lost SMS Alert Remote Monitoring DC Power Timer Report APP Control RTU5023

Price US $68.00 85.00 / 1 piece 20% OFF
Rating 4.7 of 5.0
Seller KING PIGEON Lydia Store

Returns accepted if product not as described, buyer pays return shipping fee; or keep the product & agree refund with seller.

On-time Delivery: Full Refund if product isn't received in delivery time estimated


Power : 9~24VDC
Size : W130mm*D74mm*H27mm
Model Number : RTU5023
Communication Interface : Wireless
Brand Name : KING PIGEON
Item Type : Other
Temperature alarm range : -40 ~ +80 centigrade
Humidity alarm range : Relative humidity 0~90% (condensation free)
GSM Environment Alarm Antenna : 50 Ω SMA Antenna interface
SIM Card : Supporting 3V SIM Card
Power consumption : 12V input Max. 50mA/Average30mA
DC Power supply : 9~24VDC, recommend 12VDC1A
Backup Battery : 900mAH, last 8hours
Application : for remote monitor onsite temperature, humidity, power status
Name : GSM 3G Environment Alarm


GSM 3G Temperature Humidity Environment Alarm Power Lost SMS Alert Remote Monitoring DC Power Timer Report APP Control RTU5023


The GSM SMS Environment Alarm is special for remotely monitoring onsite temperature, humidity, power status through wireless

GSM Network. When the temperature, humidity, power voltage exceed high threshold or low threshold value, will send SMS alert

to upto 10 preset mobile phone immediately.

The GSM Environment Alarm can be used for solar power monitoring, DC power voltage monitoring, temperature monitoring,

humidity monitoring,Class Room, Public Room, Waiting Room, Hospital, Stations, Fresh Food Warehouse, Office, Meeting Room, Laboratory, Library and anywhere  that need monitoring temperature or control temperature in expected range.

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1.    Can be operated from anywhere, no distance limitation;

2.    No call charges for inquiry. the GSM Environment Alarm rejects the call from authorized number then return onsite          temperature, humidity,and power voltage on the first 'ring';

3.    Multiple applications. (temperature, humidity, power status, solar panel, dc voltage);

4.    Up to 10 authorized phone numbers, 5 can be used to receive call or SMS,and 5 can be used to call and SMS

    while alarm occurrence;

5.    One Temperature & Humidity sensor input, measures temperatures from -40-80°C,0.5°C accuracy,

   Relative Humidity from 0-99RH%, accuracy is 3%;

6.    External AC Power status monitoring, AC On/OFF will send SMS to authorized phone numbers;

7.    Inbuilt MCU monitoring the DC input Voltage value, measure range is 9-24VDC, no need additional sensor to save cost;

8.    Timer Report—Can setup every x hours automatically send its status/Value to the authorized numbers;

9.    Support remotely read historic data via SMS;

10. Rechargeable Backup Battery inside can last 8hours;

11. Secure - Using caller ID and password for identification, unknown callers are ignored;

12. Programmable by SMS Commands or APPs with password protection;

13. Based on GSM Network, applied to many applications.




Parameter item              Reference scope

DC Power supply :                                     9~24VDC, recommend 12VDC1A

Frequency range:                                    850/900/1800/1900Mhz

Power consumption:                             12V input  Max. 50mA/Average30mA

SIM Card:                                                 Supporting 3V SIM Card

Antenna:                                                  50 Ω SMA Antenna interface

Temperature range:                            -40-+80 °C

Humidity range:                                     Relative humidity 0~90% (condensation free)

Temp&Humidity Sensor:                   Temperature&Humidity Sensor, Model :AM2301 ,Temperatures from -40-80°C(0.5°C accuracy),Relative Humidity from 0-99RH%, accuracy is 3%.

Backup Battery:                                   900mAH, last 8hours

Exterior dimension:                           W130mm*D74mm*H27mm

Net Weight: 300g

packing list

GSM 3G Environment Alarm X 1, 

  GSM Antenna X 1, 

  Backup Battery X 1 (Inbuilt), 

   AC/DC adaptor(12V1A) X1,

 User Manual X 1.

 AM2301   Temperature &Humidity Sensor 1m *1


Note: The package does not include any SIM card.

This link is GSM Environment Alarm with 5m Temperature&Humidity Sensor:


GSM 3G 4G RTU Listguid


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