we're the largest telecommunication equipments- PABX developer & manufacturerin Taiwan. our main products include PBX, IP PBX VoIP & systems, IP phone, IP phones, frequency hopping spread spectrum, frequency hopping spread spectrums, Wireless sensor network, digital tactical PBX, rural switches ( central office switching systems), sms telephones, VoIP gateway, WLAN, corded and cordless telephones, private branch exchange & home security systems, alphanumeric & tone pagers, Wireless Local loops, hybrid PABX systems, prepaid systems, call centers, fiber ( fibre) optical modems, military and police communication systems, DECT communication systems, MUX and access equipments.

SMD X'TAL, CXO, VCXO, TCXO, quartz crystal history & structures, SMD CXO & VCXO, OCXO China, TCXO China, harmonic oscillator simples, high oscillator powers, compensated crystal oscillator temperatures, controlled crystal oscillator voltages, multiple oscillator waves, oscillator square waves, jitter low oscillators, oscillator prices, crystal mount oscillator surfaces, vestigial sideband filters, saw duplexers, Wireless Local loops, broadband access filters.