Six Channels Voice/RS485 Repeater/Ring Generator Module
Six-to-One duplex-voice communication module for DMTF compatible phones, tone control and multiple-nodes addressable master-slave data port; RS485 isolated repeater module for long range network; Ring generator module; Features: - DMTF compatible and tone control - 3-digit up to 999 phone numbers - Dial-up/Busy/Ring tone generating - Service mode and remote control by data port and DTMF - 1 RS485 addressable port (default 9600,8, N, 1) - 1 ring generator power port: 60Vvv, 20Hz - Power supply: 12Vcc, 100mA
About Me
The areas of our expertise includes 20+ years in technology, scientific research, software and hardware design industry, hi-tech products design and development, electronics research, electronic devices design and prototyping, sensors design, process control and automation, telemetry systems and tracking, wireless and protocols. Advanced skills in custom electronic products manufacturing in small and mass production, high density and SMT; Exposure to multidisciplinary application in engineering field, including electronics, software, physics and mechanics engineering. Our experience includes embedded applications based on RISC microcontrollers, ARM architecture engine, Microchip engine, ATMega/ AVR core, BlueCore engine, with specialties in ANSI C/Assembler Platforms; Skills in automotive related applications, OBD systems design and specific communication protocols; Proficient with communication hardware interfacing and protocols: Bluetooth, GPS NMEA, GPS SiRF binary, serial, USB, industrial protocols; Proficient with bluetooth hardware and firmware design, OEM Bluetooth/WiFi modules design; Skills in iPhone/iPad related applications, accessory hardware design on Bluetooth/USB/UART/WiFi transport, Cocoa applications; Skills in GSM/GPRS and GPS functionality applications, hardware alarm/telemetry/tracking systems design; Proficient with intelligent sensors, proximity, process control and automation, strain gauge instrumentation, vacuum measurements, MEMs technology;
