Mobile signal gsm

Mobile signal booster kit incling all the nesccaru cables etc. Never used.

Buy Price Drop - One day only!!! Tri-band Mobile Signal Booster / Repeater 2G/3G/4G for R1,750.00

GSM/CDMA/850-1900 MHz Cellphone Signal Booster Amplifier Antenna 9dBi with Holder Features: Strength the signals of GSM and CDMA for every phone. Attach a phone holder for better signal Easy stick-on installation, no powered, drilling and tuning required Improves reception and transmission when using your phone inside any vehicle and poor cell phone service area Specification: Supporting mobile network GSM/CDMA Frequency Range 824 – 896 MHz/ 890 – 960 MHz/ 900 – 1800 MHz/ 850 – 1900 MHz VSWR ≤1.5 Gain 9dBi Polarization Type Vertical Radiation Omni Rated Power 50W Input Impedance 50 Ohms Connector Type SMA male/ FME Female Suction Cup ø 2.0 inch/ 5.0 cm Cable Type RG174 (best) cooper Cable Length 6.6 ft/ 2 m Antenna dimensions 7.9 x 2.1 x 1.0 inch/ 20.0 x 5.4 x 2.6 cm Phone holder supporting width 48-77mm Color Black Package Included: 1 x 9dBi Gain Signal Booster Antenna 1 x Phone Holder Detail Pictures:

GSM/GPRS Shield Expansion Board EFCom Wireless Module With Antenna Description: The GPRS Shield-EFCom expansion board is a serial GSM / GPRS wireless module. Arduino enthusiasts to quickly learn a GSM / GPRS mobile phone development, and can be applied to wireless development projects to the class, but also suitable for remote control development, such as wireless meter reading, smart appliances, ultra-long-range control.   EFCom compatible with all the Freaduino and standards the Arduin development board. EFCom is a 4-band GPRS / GSM module supports four standard band 850/900/1800/1900MHz, send SMS messages, phone calls, faxes, etc. all GPRS handsets have features. EFCom allows your very fast phone development process and the wireless development.   EFCom SIM900 is a patch type GSM / GPRS integrated single-chip, ARM926EJ-S core, build enthusiasts and learn to use the smallest integrated development environment.   The EFCom using AT commands through UART serial configuration settings only need to extend the board into Freaduino board, you will be able to easily control via AT commands EFCom make calls, send text messages... addition EFCom support LCD5110 display (default hair Bluetooth backlight, is inserted in EFCom effect diagram below) and serial keypad keyboard input.   The board set the hardware boot the Button Software boot (D10), hardware RestButton, software Rest (D9) allows use and arduino spiritual and match to meet various types of both hard boot or soft boot or the hard reset or soft restart DIY needs. The two jump take to D0-D3, you are excelent to choose EFCom Arduino communication: software serial port (jumper cap to D2, D3) or hardware serial port (D0, D1).   EFCom three operating modes: Short Message Service SMS service mode Audio music mode GPRS mode Features: Fully compatible the Arduino and Mega2560 development board series Serial communication, the freedom to choose hardware serial port (D0/D1) or software serial communication (D2/D3) and motherboard SIM900, all the IC set aside not only the UART, DEBUG mouth, all GPIO port and KEY PANEL interface Board super capacitor to ensure the RTC work Support both hardware and software switch machines, support for hardware and software restart 4 band 850/900/1800/1900 MHz   Specification: The GPRS Shield power supply 5V GPRS multi-slot class 10/8 GPRS mobile station class B Compliant to GSM phase 2/2 +  - Class 4 (2 W@850/900 MHz)  - Class 1 (1 W@1800/1900MHz) Weight: 3.4g Control via AT commands (GSM 07.07, 07.05 and SIMCOM enhanced AT Commands) SIM application toolkit Supply voltage range: 3.1 - 4.8V Low power consumption: 1.5mA (sleep mode) Operation temperature: -40 ° C to +85 ° C Note: Plug Freaduino / Arduino Main Board, in connection we 9V DC AC adapter. The reason is the need EFCom boot current and maximum peak current 2A, but the USB port is unable to provide such a large current, so must an external power supply equipment.Your SIM card is not lockedBest EFCom communication baud rate of 19200 bps 8-N-1(EFCom default automatic pairing baud rate) Package included: 1 x EFCom wireless module 1 x Quad-Band antenna IO definition: Dimension:   PCB:

MOBILE PHONE DETECTION The mobile detection unit and communication device is used in applications where there is a need to detect mobile phones or mobile devices.  Many customers have used this device on farms so that they are aware of cell phones entering a premises. The detection unit detects on the following frequency ranges: CDMA: 824-849MHZ GSM: 890-915MHZ DCS: 1710-1785MHZ 3G: 1920-1980MHZ The detection unit has an adjustable sensitivity/range for each frequency range of 1m to 1km The indication LED indicates slight detection (green) and alarm (red) When detection occurs the unit triggers the communication device or siren   Monitor 4 different bands Detect GSM/2G, 3G, CMDA and DCS Adjustable sensitivity Each frequency band is individually adjustable for fine tuning Great detection range The detection range is up to 1km!  

what is a signal booster?a mobile phone signal booster is a system, which takes mobile phone signal from one area where the signal is active...171116813

RTU-531 GSM SMS Air-Conditioner IR Controller ☆ Brief introduction for RTU-531: Remote inquiry the temperature with a FREE Call from your mobile phone! Remote inquiry the A/C status with a FREE Call from your mobile phone! Remote monitoring temperature with SMS text Message alert! Remote operate the A/C with SMS Text message commands! Automatically Control the temperature in expected range! Automatically turn OFF A/C while nobody in the Room! Features: Ø Can be operated from anywhere, no distance limitation; Ø No call charges for inquiry. the GSM SMS Air-Conditioner IR Controller rejects the call from authorized number then return status on the first 'ring'; Ø Multiple applications. (temperature monitoring, intelligent air-conditioner management); Ø Upto 6 authorized phone numbers, each number can be used to receive call or SMS or both of call and SMS while alarm occurrence; Ø Intelligent professional air-conditioner IR Encoder with compatible of almost all of the brand air-conditioners(See Air-Conditioner Compatibility of RTU in the user manual.); Ø One human movement detector, if no-body movement in the room then will turn off the air-conditioner automatically. It is useful for saving power consumption in public rooms; Ø One Temperature Sensor inbuilt, external connection is available, measures temperatures from –55°C to +125°C (–67°F to +257°F), 0.5°C accuracy from –10°C to +85°C, can setup high and low temperature alarm threshold value to alert the authorized users and automatically turn on the Air-Conditioner to preset working mode. Ø Supports 4 quick operation combine commands, the users can quickly operate the air-conditioner by only one simply SMS command; Ø External AC Power monitoring, AC On/OFF will send SMS to authorized phone numbers; Ø Timer Report—Can setup every x hours automatically send its status/Value to the authorized numbers; Ø Rechargeable Backup Battery inside can last 8hours; Ø Secure - Using caller ID and password for identification, unknown callers are ignored; Ø Programmable by SMS Commands with password protection; Ø Based on GSM Network, applied to many applications. Contact Us: Email: Web: www.m2m-alarm.com www.ismart-china.com www.ismartcctvcameras.com TEL: (+ Skype: m2malarm QQ: We specialized in: GSM Door Controller,GSM Automation Controller,GSM Programmable Automation Controller,Temperature Alarm Unit,GSM GPRS Data Logger,GSM SMS Modem, homer security device, anti-theft products, security safe products, CCTV cameras etc.

RTU GSM Programmable Logic Controller ☆ The GSM Controller RTU can be used as: A switch with SMS remote control. A timer-switch which can be activated automatically. A relay with dialling-in remote control. An automation system. A SMS reporter. A data transporter (GSM DTU, GSM M2M). A GSM Alarm system. A GSM Remote Terminals (GSM RTU). Features: ◆ 4 Relay drivable outputs (12V-24V), Each relay can be switched ON by SMS or CALL to the unit; ◆4 Alarm logic inputs for SMS reporting and dialing (the inputs react to a connection or disconnection or from a common GND terminal); ◆ Bidirectional data transmission, this is very useful to connect PLC equipments; ◆ Can read logic input status by SMS; ◆10 different mobile phone numbers can pre-set in the system; ◆ Password protection, prevents unauthorized use; ◆ Per logic input can be assigned to one or more output relays; ◆ Set up and programmed from any GSM cell-phone and PC; ◆ Arm or disarm button is optional for the user; ◆ Timer programmed when send back the report or when switch on the output relays; ◆ Time stamped alarm messages; ◆ Based on GSM Network, Qua-Band. RTU Suitable for: 1. Security Alarm System application; 2. Supervision and monitoring alarm; 3. Automatic monitoring system; 4. Vending Machines; 5. Pumping Stations; 6. Buildings and Real Estate; 7. Weather Stations; 8. River Monitoring and Flood Control; 9. Oil and gas pipelines; 10. Corrosion protection; 11. Valve controls; 12. Wellheads; 13. Energy saving, street lights control; 14. Tanks, temperatures, water leakage; 15. Transformer stations; 16. Unmanned machine rooms; 17. Control room application; 18. PLC and Automation, M2M; 19. Access Control, Gate Opener, etc. Standard Package list: RTU GSM Controller * 1 Power supply adapter * 1 (12V 1.5A 1) Serial cable for communication * 1 (RS232) CD (Pc programmer tool) * 1 GSM Antenna * 1 Package Size: mm(W*D*H) Weight: 700g Optional Accessories: Water Overflow Level Sensor, Oil Overflow Level Sensor, Water Leak Sensor, Temperature Sensor, Door Sensor, PIR Motion Sensor, Smoke Sensor, Gas Leak Sensor, Glass Break Sensor, Shock Sensor, Power failure sensor, etc.

Overview You have developed your awesome concept and now you want remote monitoring and control of your hardware, this board will give you the ability to send SMS's, make calls and connect to the cloud. Specifications The GPRS Shield is based on SIM900 module from SIMCOM AT commands (GSM 07.07,07.05 and SIMCOM enhanced AT Commands).  12 X GPIO's (2V8 Logic) 2 X PWM's (2V8 Logic) 1 X ADC (2V8) Size: 76mm*55mm Weight: 39g Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks in most countries across the world. GPRS multi-slot class 10/8 GPRS mobile station class B Compliant to GSM phase 2/2+ Class 4 (2 W @ 850 / 900 MHz) Class 1 (1 W @ 1800 / 1900MHz) Embedded TCP/UDP stack - allows you to upload data to a web server. RTC supported (requires coin cell battery). Speaker and Headphone jacks Low power consumption - 1.5mA(sleep mode) Industrial Temperature Range - -40C to +85 C

This item is sold brand new. It is ordered on demand from our supplier and is usually dispatched in 10 to 15 working days. We urge you to please read shipping details before placing your order. --------------------------------------- 1) This product needs to use GSM SIM card. It can send MMS images to MMS enabled mobile phone with a color display or to an e-mail address. 2) Integrated PIR detector to provide precise and timely alarm. 3) Built-in CMOS camera and infrared LED. Even in dark environment camera can get clear images 4) SMS remote control: User can control the camera by SMS command or calling. 5) Listen in the monitoring area: Call the device number to listen in monitoring area. 6) Build in speaker: Users voice can be broadcasted via built in speaker to scare the uninvited visitor. 7) Multimode alarm: Camera can send alarm messages by SMS MMS E-mail or standard phone-call. 8) Schedule monitor: User can set the camera working as the preset schedule. 9) Built-in Lithium battery: Rechargeable battery ensures operation in case of external power failure. 10) Easy installation: Wireless connection. The product can be installed at any place you want. 11) Battery Work time: Approx 3 hours Standby time: Approx 12 hours 12) Can connection (Smart Socket & wireless voice alarm) --------------------------------------- See what else we're selling

Buy Mobile Phone Signal Isolator, Coverage: 2-10 meters(Black) for R699.00

GSM/SMS Alarm System The X300 is a fashionably designed, functionally powerful, intuitively operable alarm system that works with any regular SIM card with credit. Power Player The X300 is a fashionably designed, functionally powerful, intuitively operable alarm system that works with any regular SIM card with credit. Remote system control can be done via SMS text messages or smartphone app commands. Relentlessly Reliable The X300 communicates on industrial grade 868MHz, making all signal transmissions resilient and interference-free. Remote Wonders After a regular SIM card with credit is inserted into the X300, the system becomes remote controllable by either simple SMS text messages or smartphone app commands. The app is available on both App Store and Google Play. Product Highlights Tucked away connection jacks Remote controllable apps on Google Play and App store Backup lithium battery of 1200mAh Remote system control can be done via SMS text messages or smartphone app commands. ***Please confirm stock availability before placing your order.***

Instructions phone calls lights: Phone calls phone calls lights kit can be used to sense the GSM signal display, sensing distance up to 1 m, is a very interesting DIY module. Electrical characteristics: Supply voltage: 3 to 12V Sensing distance: about 1 m PCB board size: 2.2cm * 2.8cm Scope: GSM mobile phone signal, for CDMA phones are useless Note: This is a DIY kit, you need to assemble it. The circuit theory: The main circuit is amplified antenna sensor signal circuit and circuit. Sensing signal through the antenna 3 to S8050 transistor amplifier to drive the LED, so that light up. When no signal is detected, no calls or no GSM phones, LED circuit is not only detects the signal to light up LED. Inductance of production: Inductance 0.25 to 0.5MM enameled available in pen core above can be around 5-10 laps. After a good round with a blade to scrape paint inductor 2, so we go soldered to the board. Package includes: 5 x DIY Kit

433Mhz GSM Gateway Wireless Terminal Home Burglar Alarm Dialer System Description: 433Mhz GSM Gateway Wireless Terminal Home Alarm System Home Burglar Alarm Dialer Fixed Cellular TerminalWhile the GSM Gateway is installed with a SIM card, it can fucntion as a mobile phone device.Normal analogue telephony devices (e. g. Cordless or Desktop Phone / FXO / PBX / VoIP equipment, etc.) could be connected to this GSM gateway.All the calls or communications will be accessed and transmitted via GSM network instead of traditional Copper Phone Wires.Features: 1. Multicolor backlight display (e. g.: blue, green)2. Can dial the local calls, mobile calls, international calls and special free calls3. Supports modem mode4. No need to dial area code when calling local numbers5. Automatically connects to IP network when dialing long distance(optional)6. Automatic card-locking and netwok -locking enable7. Caller ID display, time and date display, the power supply of battery can display at the same time on the LCD.8. Cost rate setting enableSpecifications: 1. Networks support: GSM900/1800MHz2. Frequency range:GSM 900MHz(Transmits: 890-915MHz, Receives: 935-960MHz)GSM 1800MHz (Transmits: 1710-1785MHz, Receives: 1805-1880MHz)3. Voltage: DC 9V /DC12V4. Stand by hours: 48 Hours5. Talk time: 2-6 Hours6. Charging time: 6 hours7. Power consumption:Static ? 25MA emission ? 500MA8. Peak power consumption: 0. 25W/0. 5W9. Receive sensitivity: -104db10. Antenna increment: All directions: 5. 0db; Certain/Selection: 12dbConnect the terminal:Connecting Your Service ProviderTo use the networks services available in you terminal, you will need to sign up with wirelesses.provider and purchase a SIM (Subscriber Identity Module) Card or purchase a prepaid SIM card. In many cases, the wireless provider will make available descriptions of its services and instructions for using its features. Wireless provider may differ in their support of features. Before you sigh up, make sure a wireless provider support the features that you need.Installing the AntennaTo choose a proper place for the antenna is the first and very important step for antenna installing. You can use your mobile phone to search for the place where the strongest signal is. Then put the antenna here.Please do not make the antenna too close to the terminal. It will disturb the signal of the terminal.Please do not make the antenna and the terminal too close to the TV set, computer, and radiogram. It will disturb the signal of the terminal.Inserting a SIM CardMake sure the terminal is switched off and the AC adapter is unplugged: insert the SIM card only when the terminal is switched off and the AC adapter is unplugged. Follow the instructions below to insert a SIM Card into the terminal.1). Screw off the screw of SIM card case, and open the cover.2). Slide back the SIM card door and lift it up.3). Slide the SIM card into the SIM door making sure that the clipped corner of the SIM card lines up with the clipped corner of the SIM holder.4). Close the SIM card door and slide it to lock the SIM card in place.5). Replace the cover of SIM card case and fixes it with a screw.Connecting your terminal with desktop phoneIf you want to use the terminal to make calls, you should connect the terminal with a common wired desktop phone.There is one or two communication portals at the back of the terminal. You can connect one desktop phone and billing machine (optional) with our terminal. Itﾒs very easy to connect the phone and terminal, just need a common communication cable. Package includes: 1 x GSM Gateway Main Unit1 x Rubber Antenna1 x 110 to 220Vac Power Supply1 x English Manual Details pictures:

 N9 Spy GSM Listening Surveillance Device Two-Way Auto Answer & Dial Audio Device Using Introduction: 1. It doesn't has charging indicator light on it. When you receive the product, pls charge it for 3 hours first. When the device is fully charged up, only Red LED lights ON. the Green LED light will OFF 2. Open the back cover. Sim card into the deck will automatically boot. Boot light is 3 seconds. After the lights go off you can dial the sim card number. 3. Please confirm the GSM network signal strength. Weak signal or lack of signal will contribute to bad effect and out of run. So as not to affect the results cause can not be used. 4. Charger standard: ±5.0V 300-500mA, please use standard charger in case of host damage. Features: spy voice * Work frequency(850/900/1800/1900MHz) Tracker  * Excellent stand by and working time GSM Alarm System * Prominent sound quality makes more reliable. Tracking device * Power on: Open the back cover. Sim card into the deck will automatically boot.boot light is 3 seconds. After the lights go off you can dial the sim card number. traceur gps * Installation: Please confirm the GSM netword signal strength. So as not to affect the results cause can not be used. GSM Tracker * Number of settings: call the sim card number with mobile phone or telephone, hang up then setting success. Personal Alarm * Voice feature: Send 1111 message to the sim card number then voice control is open; Send 0000 message to the sim card number then voice controlling is closed. * The flash of red light indicates the SIM card is correctly inserted. SIM will completed initialization and maintain in stand-by status and the light will be off and it is ready to go * Dial the SIM card number, you could hear the sound around the SIM card * Charging method: When the device is fully charged up, only Red LED lights ON. the Green LED light will OFF Specifications: gps locator * Power Supply: 24 hours Non-stopSpy  * Card Compatible: GSM / SIMSpy Device * Microphone Range (Meter): 5~7(Radius)gps tracker * Receive Sensitivity: -+10K GPRS  * Working Temp: -40~50 gps locator  * Responding Frequency: 1.2K~800Khz mini gps locator  * Stand-by Time: Support voice control with 3-5 days,10-15 days without voice control gps tracker mini  * Working Time: 5 hours Personal Alarm  * All GSM SIM card compatible pet GPS   * Work frequency(850MHz,900MHz,1800MHz,1900MHz). Please check if it can work with your local system format before purchasing. Package include: 1 * Main unit  1 * USB Cable 1 * User Manual 1 * Charger 1 * Original Box