telephone ringer amplifier

Brand Name:Yuantong

Model Number:YT-SG21

Place of Origin:China

Shenzhen Yuantong Modern Technology Co., Ltd. is a professional manufacturer of Industrial Weatherproof Explosion proof Telephone. We can offer complete industrial communication solutions for Mings, Chemical Plant, Power Plant, Metallurgical Plant, Oil & ...

Brand Name:J&R

Model Number:JR210-1B

Place of Origin:Shenzhen, China

...) Housed in a anti-vandal cold-rolled steel enclosure,wall-mounting Analogue Version Power Supply From the analogue telephone network Supply Voltage 24 VDC to 65 VDC Supply Current 20 mA DC to 100 mA DC Ringer Volume - 80dB(A) at a

Brand Name:ZOMLNK

Model Number:LD-858HF

Place of Origin:Guangdong, China

...Memory Corded Telephone With Photo Dialing Large Key Caring Big button telephone Old people telephone Big button eldly telephone Big Button phone Description of One Key Memory Corded Telephone: Hands-free Speakerphone Handset Volume Control Ringer Volume ...

Brand Name:Rainbuvvy

Model Number:PK3000

Place of Origin:China

Features: Landline Telephones for seniors: with large easy to read buttons andextra louder ringer, this phone is for sure the perfect gift for grandmaand grandpa. Simple Phones Easy to Operate: Unlike most complicated desk phones in the local ...

Place of Origin:China

Brand Name:EST

Model Number:EST-MINIDCS

...block zones, reduce drop/off calls. Compact size, low consumption, easy installation, great cover. Introduction The telephone network repeater or The call signal peripheral circuit to the loud than the original. It’s a circuit that we design follow the

Brand Name:ATNJ

Model Number:AS-900

Place of Origin:China

GSM Cell Phone Signal Repeater Amplifier With Four Layer PCBA Cell Telephone Signal Amplifier Mobile Signal Booster Blue Repeater GSM 1, Intelligent to guide the installation with LCD 2, Real time display the signal strength. 3, ...

Brand Name:Fibery

Model Number:FY-40EA19

Place of Origin:China

... standard, in terms of power, precision and reliability are higher than 14EA series. It is mainly used for television image signals, digital TV, telephone voice signal and the signal of the data (or compressed data)

Brand Name:SPACECOM or OEM

Model Number:SPC-EDFA-BA

Place of Origin:China

... Amplifier BA EDFA Description SPC-EDFA-BA is mainly used in BA-1550-series 1550nm optical fiber amplifier 1550 important optical relay transmission in optical fiber communication system equipment, mainly for image signal, digital TV signal, telephone ...

Brand Name:CN CABLE

Model Number:DROP WIRE

Place of Origin:HENAN

... amplified by the amplifier Construction: 1: conductor : 0. 5mm, 0. 6mm, 0. 8mm or 0. 9mm bare/ tinned copper wire request 2: insulation: HDPE, PVC or request 3. The ...

Brand Name:Original Brand

Model Number:UTC31002

Place of Origin:CN

...: The UTC31002 is a bipolar integrated circuit Designed for telephone bell replacement. FUNCTIONS * Two oscillators * Output amplifier * Power supply control circuit FEATURES * Designed for telephone bell replacement. * Low current drain. * Small ...

Brand Name:Yogel

Model Number:YG-1500NM 64 Port EDFA

Place of Origin:Shanghai

...amplifier 1.0 Overview These series of 1550nm ytterbium-doped fiber amplifier is designed and manufactured according to the communication level standards, amplifying the 1550nm optical signal, which is mainly used for TV image signal, digital television signals, telephone...

Brand Name:Hilink

Model Number:HL-EDFA

Place of Origin:China

...important optical relay transmission in optical fiber communication system equipment, mainly for image signal, digital TV signal, telephone voice signals and data (or compressed data) ultra long haul transmission of signals. It is installed in the front of

Brand Name:Retone

Model Number:K23

Place of Origin:Shenzhen, China

Wireless Stereo Speaker System Cell-Phone Telephone rechargeable Amplifier Hearing Aid Long time to use Quick charge within 3 hours, 24 hours for stream music and 20 hours for hearing ...

Brand Name:monoluxtecs

Model Number:QH-LP124

Place of Origin:Shenzhen

... Instruction: & If you meet the faults of audio and navigation systems, audio don't work, navigation is often broken and always blank screen, it may be caused by damage of the telephone module. &

Brand Name:JIZHONG

Model Number:JZEDFA-27dB

Place of Origin:CHINA

... communication system.It's mainly used for extra long distance optical transmission like TV image signal, digital TV signals, telephone voice and data signal(or compressed data) .It adopt imported high-performance erbium-doped optical fiber and

Place of Origin:PHILIPPINE

Brand Name:Motorola

Model Number:MHW720A1

Quick Detail: MHW720A1 - Motorola, Inc - UHF Power Amplifiers Description: Capable of wide power rang e control as encountered in UHF cellular telephone applications. • MHW720A1 400 – 440 MHz • MHW720A2 440 – 470 MHz • Specified 12.5 Volt, UHF ...

Brand Name:ATMEL

Model Number:U209B

Place of Origin:Philippines

... integrated circuit for use in feature phones, answering machines and fax machines. It contains the speech circuit, tone ringer interface with dc/dc converter, sidetone equivalent and ear protection rectifiers. The circuit is line powered and contains all