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Wireless Data Acquisition Terminal

Supplier From China
Jun-26-25

SC-GP-GWRTU supports 4G high-speed access of mobile, China Unicom and China Telecom. The software has perfect functions, covering the vast majority of conventional application scenarios. Users only need to realize the two-way data transmission from the serial port to the network through simple Settings. And support custom registration package, heartbeat package function, and support the connection to OneNET, Ali Cloud, Baidu Cloud, Tencent cloud and other cloud platforms.

Price and Minimum Quantity

Price: $100 - $120 / Set (FOB)
MOQ: Not Specified
Product Grade: A

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Wholesale Used Laptops Core I7

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Product Name Used laptops

Processor CPU Series: Intel Core i7 4-generation family
CPU Type: Intel Core i7 4702MQ
CPU frequency: 2.2GHz
Core frequency: 3200MHz
Bus Specifications: DMI 5 GT / s
Three cache: 6MB
Core Architecture: Haswell
Core / thread count: quad-core / eight thread
Storage Device Memory Capacity: 4GB (4GB Ã?? 1)
Memory Type: DDR3L (low voltage version) 1600MHz
Hard disk capacity: 500GB
Hard Description: Support the expansion turn mSATA SSD hard drive
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Screen Resolution: 1366x768
Screen technology: LED backlit, matte glare mask
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Graphics Type: Dual Graphics (fever-level graphics card + integrated graphics)
Graphics chip: NVIDIA GeForce GTX 760M + Intel GMA HD 4400
Memory Capacity: 2GB
Memory Type: GDDR5
Memory Interface: 128bit
Number of stream processors: 768
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Camera: 720p HD webcam
Audio System: Built-in audio chip
Speaker: Built-in speaker
Microphone: Built-in microphone
Network Communications

Wireless LAN: 802.11b/g/n wireless protocol
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I / O interfaces Data interface: 1 Ã?? USB2.0 +2 Ã?? USB3.0
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Input Devices Pointing device: Touchpad
Keyboard Description: Full-size keyboard
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Power adapter: 100V-240V 90W AC power adapter adaptive
Exterior Laptop Weight: 2Kg
Length: 339.2mm
Width: 239.5mm
Thickness: 26.4mm
Shell material: composite material
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Notebook accessories Packing list: Host x1 notebook
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Manual x1
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Shipping DOCS

1. Commercial Invoice

2. Packing list

3. Certificate of Origin

4. Bill of Loading

5. Form A/Form E

6. Other documents are according to customer's
Sep-29-07
Supplier From Dongguan, Guangdong, China
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Supplier From Shenzhen, Guangdong, China
May-29-23
Supplier From Chengdu, Sichuan, United States
Aug-10-16
 
Model:S273
Name:GSM 3G M2M RTU (8DI+6AI+4DO+1TH+1USB+1RS232/485+64Registers)
The GSM 3G M2M RTU is a multi I/O port remote terminal unit, through the RS232/485 port can connect intelligent meters or PLC. It is special for BTS monitoring, remote data acquisition, telemetrically, BTS access control and other applications. It supports voice communication, SMS, GPRS, 3G communications.

Mainly Features:
1. ARM® Cortex™-M4 32 Bit RISC Core, 168 MHz inside, RTOS system;

2. Widely Rated voltage range, 9~36VDC, Inbuilt large capacity rechargeable backup battery;

3. 4G SD card for save historical data, USB port for configuration and upgrade firmware;

4. 6 analog inputs, 12bits, supports 0-5V, 0-20mA, 4-20mA;

5. 4 Relay outputs, 5A/30VDC,5A/250VAC;

6. 8 digital inputs, dry contact or level input. One of the input can be used as counter;

7. 1 temperature probe input, 1 humidity transducer input;

8. I/O ports with opto-isolated, RS232/485 with 15KV ESD protection;

9. 2 IP data centers, supports Modbus TCP,TCP/IP protocol over GPRS/3G network;

10. RS232/RS485 can performs Modbus RTU Master, Modbus RTU Slave, supports 01,02,03,04,05 code, up to 64 registers, the register arise alarm also can send SMS to alert;

11. RS232/485 can be used as data transparent transmission for different intelligent meters or PLC;

12. Automatically resend the data while communication failure, GPRS failure will alert by SMS text;

13. Supports remotely restart the RTU, and configure it by SMS commands remotely;

14. Supports over voltage protection and phase-reversal protection;

15. 10 SMS Alert and auto dial numbers, can program to receive specified alarm message.

16. 10 access control authorized numbers, can open the BTS door or turn on/off machine with a free charge call at the specified time.
Oct-15-19
Supplier From Shenzhen, Guangdong, China
Sep-02-09
 
Features:

Based on w-cdma and can be compatible with gsm networks
Can connect to phone, pbx, voip, ip-pbx , billing meter and etc.
Support connecting with internet through usb line and can surf the internet wirelessy. The pc computer can send and receive text messages by its connection
Can lock sim card
Support caller id with dtmf/fsk
Dtmf and pulse dialing
Support sms
Reversal polarity signal supported for billing charging
Making and answering calls after connecting to telephone set
2rj-11 ports can support connect with extension
Real time displaying of wireless network signal strenght

Technique parameters
Multimode operation ¿chsupa/hsdpa/umts/edge/gprs/gsm
Triple-band hsdpa/umts 850/1900/2100 mhz
Quad-band edge/gprs/gsm 850/900/1800/1900 mhz
Hsupa uplink up to 2.0 mbps
Hsdpa downlink up to 7.2 mbps
Wcdma (umts) uplink data rate up to 384 kbps
Edge data up to 237 kbps dl and 118kbps ul, 3gpp release4, class 12
Gprs data up to 85.6 kbps dl and 42.8 kbps ul
Power supply: dc12 v
Output power:
Class 3 for umts/hsdpa/hsupa
Class 4 for gsm 900
Class 1 for gsm 1800
Class e2 for edge 900/1800
Usb: usb 2.0 full speed
Antenna interface:
Antenna gainú¦ >1.5dbm
Sensitivity: < -104 dbm
Antenna transimission power: < 3 w
Working environment ú¦
Operating temperature: -10 ~ +55íµ
Storage temperature: -40 ~ +80íµ
Atmosphere pressure:86-106kpa
Environment noise:ú+60db
Rj-11 phone interfaceú¦
On hook voltage: 45v
Off hook current: 30ma/41ma
Dialing tone frequency : 450hz

Packing information:

Size:173(l)íß128(w)íß29(h)
Weight: 282g
Package: 1pcs/box; 20pcs/ctn
Carton size: 58.5íß29.5íß37.5cm
G.W/ctn: 16kg
Jan-14-09
 
Neos3000a fixed cellular terminal serves as a gateway between a gsm network and your company private branch exchange (pbx). It connects to the analogue trunk of a pbx telephone system or a standard phone and routes your call through a sim card in the fct and out via the gsm network, converting the expensive pstn-to-gsm call into mobile-to-mobile call.

Product features:
1. Dramatic cost reduction
2. Signal strength indication
3. One voice channel pstn interface
4. Dual band gsm module (900/1800mhz)
5. Time controller: control outgoing time from 000~999 minutes
6. Counter unit: second, minute or call
7. Remote programming: setting via dtmf tones from the phone
8. Fake ring back tone: simulation of ring back tone
9. Lcr: least cost routing with automatic choice between gsm and pstn
10. Polarity reversal: recognition of call start / end
11. Built in caller id: calling party phone number display.
13. Mvpn: mobile vpns allow users to roam easily among various wired and wireless networks
14. Security lock-network / sim / pin lock, etc.
15. Fxs and fxo interfaces

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