Radiomonitoring

Portable Receiver

HE300
	Active Directional Antenna from 500 MHz up to 7,5 GHz Carrying Bag

HE300HF
	Active Directional Antenna from 20 MHz up to 200 GHz Carrying Bag

frequency range from 8.3 kHz to 100 MHz
voltage Standing Wave Ratio (VSWR): 2 in whole frequency range
vertical polarization
omnidirectional radiation pattern in a plane perpendicular to the axis of the antenna
circularity 4 dB for vertical polarization
operating temperature range from -40 °C to +60 °C

frequency range from 20 MHz to 8 GHz
voltage Standing Wave Ratio (VSWR): <2.5 in whole frequency range
radiation pattern
- omnidirectional in azimuthal plane (in a plane perpendicular to the axis of the antenna)
- circularity <5 dB for both polarizations
polarization of antenna
- vertical polarization
- horizontal polarization
- switchable polarization
integrated low noise amplifier with amplification >15 dB with ON/OFF option
switch between active and passive modes via the control unit
built-in frequency filters with switching capability between frequency bands, suppression of other bands >20 dB
- GSM1800
- UMTS2100
- WLAN/LTE
possibility to connect other external frequency filters via SMA connectors (female)
antenna connectors
- one N connector for vertical polarization
- one N connector for horizontal polarization
- connector for control unit connection
the antenna system control unit contains:
- antenna power supply
- polarization switch
- active/Passive mode switch
- LNA switch
- built-in antenna frequency filters switch:
  - manually from the control panel on the control unit
  - using SCPI commands