4G Handsfree Telephone Circuit Board Operating Voltage 9V - 12V

Telephone Accessories 4G PCB, 4G access system Circuit Board

The Hands-Free Telephone Kits JR-Kits-01 can be assembled with a variety of cabinets, it could work in railway/metro station, elevator, ATM machines side, etc.

This board is matching with most PABX/PBX systems, and it is simple to install and use.

Remote Programming call number

Each unit can be simply reprogrammed from any location by SMS code. The Unit will send a confirmation “SMS” to the sender showing the new numbers programmed.

Main Features

- One push button for SOS

- Call Standard SIM card

- Working Frequency Range: WCDMA850/1900/2100MHz / GSM850/900/1800/1900MHz

- Operating voltage : 9V-12V

- Can be DC powered or Battery Powered

- Idle current: 75mA

- Off hook current: 160mA

Automatic Diagnostic reporting

The Unit will automatically send a message when one or more of the following conditions occur.

1). Battery state below 9V

2). Faulty switch or keypad

3). LED indicator condition

Manual Fault diagnosis

Upon requesting a Fault Diagnosis from the phone, the following information will be sent in the form of an ”SMS” as below, It will save your time and cost to check the phone status by being on-site.

1). Signal status

2). Battery status

3). Keypad/Switch status

4). Indicator light condition

5). Preprogrammed Call number

6). Preprogrammed SMS reporting number

Applications of JR 4G Telephone Circuit

This VoIP Telephone Circuit is ideal for access system, railway applications, tunnels, highways, campus, parking lot, power stations, oil&gas station, marine applications, underground mining, retail banking, clean rooms, firefighter, taxi, industrial, prisons, parking-lots, power stations, chemical plants, etc.

Other characteristics of JR 4G Telephone Circuit

handheld, emergency, handsfree, auto dial, for harsh environments, with LCD display, with video camera, paging, ringdown, outdoor, built-in, with loudspeaker, with flashing beacon, with indicator lights

J&R Technology Ltd. is a premier designer and manufacturer of standard and custom telephone solutions. Our products deliver industry-proven and innovated high quality telephone technology to a broad range of private, and public businesses, industries, and applications.

Our products include telephone systems, various telephone terminals such as industrial telephones, weatherproof heavy-duty telephones, explosion proof telephones, vandal proof public telephones, emergency telephones, help points, call stations,s and others like acoustic telephone hoods, telephone pillars, and telephone accessories.

As a reliable supplier of industrial telephones, we have been sharing the equipment and systems with different customers and users all over the world. Our main market is South America,North America, Europe, Australia, Southeast Asia, Africa, Mid East, and other international markets. And we have built good cooperation with many international renowned corporations, including.

Dedication and profession have been our pursuing goals during any procedures of our production, not only in developing and quality controlling but also in marketing and after sales. We serve any single potential customer with the most suitable solutions and systems.