Randolph Telecom Provides Engineering Consulting Services For The Design Of Telecommunications Products

Circuit Design and Prototyping of Telecom Products
Circuit Design and Prototyping

■ Broadband data communications equipment over copper, fiber, coax, and wireless
■ POTS (Plain Old Telephone Service)
■ VOIP (Voice Over Internet Protocol)

International Regulatory Compliance for Homologation

■ Safety standards IEC 62368, EN 62368, UL 62368
■ EMC standards FCC Part 15, EN 55022, and EN 55024
■ Resistibility standards ITU K.21, K.22, K.44, and K.45
■ Industry standards TIA-464, TIA-470, TIA-968 and TIA-810-B

Telcordia NEBS GR-1089-CORE (USA) and EN 300 386 (EUROPE)
Lan Wires

■ Lightning immunity
■ Power cross and AC power fault
■ Conducted RF immunity
■ ESD immunity

Lightning Protection
Lightning Protection

Compliance with regulatory standards for lightning immunity
Coordination of primary and secondary lightning protection
Troubleshooting field failures
Optimizing the cost of protection circuitry

Handset Telephony

■ Telephone speech transmission per TIA 470, ETSI TBR 38
■ Loudness ratings (TOLR, SLR, etc.)
■ Sidetone
■ Noise and hum
■ Echo

Engineering Design Reviews and Troubleshooting
Monitor for Review

■ Reviews for compliance with design goals
■ Pre-testing for regulatory compliance
■ Troubleshooting specific problems
■ Cost reduction

Expert Witness and Patent Assistance
Building Column

■ Analyze patent claims for infringement or non-infringement
■ Research prior art
■ Product testing
■ Explain complex technology in non-technical terms
■ Assist with drafting patent applications