RF Field Strength Meters

RF field strength meters are portable instruments designed to measure the intensity of electromagnetic fields at a given location, typically expressed in volts per meter (V/m) or dBμV/m. They quantify the signal strength from transmitters, antennas, and wireless devices across a broad frequency range, often spanning from a few kilohertz to several gigahertz. Field strength meters may incorporate isotropic antennas for omnidirectional measurement or directional antennas for source identification and signal surveying.

These instruments serve a critical role in regulatory compliance, occupational safety, and telecommunications network planning. Engineers and field technicians use them to verify antenna coverage patterns, assess human RF exposure against ICNIRP or FCC limits, and locate interference sources. They are widely employed by broadcasters, mobile network operators, spectrum regulators, and safety officers in industrial environments.

Typical Applications

Tower commissioning and antenna coverage verification for broadcast and cellular networks
Human RF exposure assessment for compliance with ICNIRP and FCC RF safety guidelines
Interference source identification and spectrum monitoring
Site surveys for wireless network planning and frequency coordination
EMC pre-compliance field surveys around industrial and medical equipment

Popular Brands

Narda Safety Test Solutions is a well-known manufacturer of broadband field strength meters and personal RF monitors. Rohde & Schwarz offers field strength measurement integrated with spectrum analyzers for detailed signal analysis. Anritsu provides handheld field meters suited for tower technicians and field engineers. Gigahertz Solutions specializes in personal safety monitors compliant with occupational exposure standards.