gsm

GSM Alarm system,wireless alarm,home alarm system,intruder alarm system,gsm sms alarm,security systems,alarm system,cctv camera

The GSM Alarm System S100 is a new security protection solution. It is special for home, house and office and other applications.

Frequency Range(MHz) 850Mhz/1900Mhz or 900MHz/1800Mhz
Bandwidth(MHz) 90/280
VSWR ≤1.5
Gain(dBi) 7
Max Input power(W) 60

photocopy paper 70 gsm A4 We are manufacturer of copy paper, our products are A4,A3,Letter size.We have our own packing, we also do OEM

GSM Door Phones of our company have the functions of wireless intercom, remotely opening door, and access control.

Dual sim cards Dual standby
2.4 inch /260k color QVGA LCD / touch screen
MP3,MP4,FM,Bluetooth
Zinc alloy frame, Super slim

1, slidedown is an ancient style.
2, dual sim dual standby bring more convenience to you.
3,dual speakers show the unusual vedio effect.

Frequency Range(MHz)850Mhz/900Mhz/1800MHz/1900Mhz
Bandwidth(MHz) 70/180
VSWR ≤2
Gain(dBi) 2.15
Max Input power(W) 50

Frequency Range(MHz)850Mhz/1900Mhz and 900MHz/1800Mhz
Bandwidth(MHz) 70/180
VSWR ≤2
Gain(dBi) 2.15
Max Input power(W) 50

Frequency Range(MHz) 890-960/824-894MHz,1710-1990MHz
Bandwidth(MHz) 70/180
VSWR ≤2
Gain(dBi) 3
Max Input power(W) 50 ...

CWT5020 is a remote monitoring system based on GSM network. It is designed for families and small offices.

CWT2000S GSM MODEM uses standard RS-232 interface. It is specially designed for industrial user's requirements.

It incorporates card convey, card direction testing, hole punching ,crease pressing and card collecting, the machine is operated on touch panel

GSM Car antenna
Long distance transmission
High gain; Lower VSWR; Signal stability;
Compact size, Good apperance

GSM Car antenna
Long distance transmission
High gain; Lower VSWR; Signal stability;
Compact size, Good apperance

GSM900/1800/1900
3.2'' 16:9 flat touchscreen
With bluetooth
FM radio
True mp3 mp4 player ...

very simple device which can be used for authorized door access, controlling gates, switching of remote equipments,

Dual sim cards Dual standby
2.2 inch /260k color QVGA LCD / touch screen
MP3,MP4,FM,Bluetooth
Zinc alloy frame
Support T-flash

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GPS & GSM JAMMER IN CA

Specifications:
1) Air interface standard: GSM 900 / 1,800MHz phase 2+
2) Frequency ranges:
a) GSM 900: i) Transmission: 890 ~ 915MHz
ii) R

Features:
1) Locking onto a specified GSM carrier and service area is programmable
2) Support SIM card locking (terminal refuses to take any othe

Specifications:
1) Air interface standard: GSM 900 / 1,800MHz phase 2+
2) Frequency ranges:
a) GSM 900:
i) Transmission: 890 ~ 91

Center Frequency 824MHz~894MHz(AMPS)
880 MHz~960MHz(GSM)
1710MHz~1990MHz
V.S.W.R 2.0:1
Impedance 50 ohm ...

2.0 inches Dual Sim Quad Band Shockproof Rugged IP67 Waterproof GSM phone for Construction Workers</span

Temperature rise/fall alert
• get feedback temperature value anytime
• Cold room or Refrigeration power failure alerts

1. With Wavecome double frequency GSM module.
2. With color LCD show screen and keyboard on the host.

Condition: Brand New / Factory Unlocked
2G Network: GSM 850 / GSM 900 / GSM 1800 / GSM 1900

The Alarm System S3528 with multi-functions. It integrated GSM Module and PSTN dialer, and almost all useful functions and features of the alarm

The Alarm System S3528 with multi-functions. It integrated GSM Module and PSTN dialer, and almost all useful functions and features of the alarm