Layout Table~~~~702~702~~

Antennae~

Various antennae are available for LANDMARKA radio systems according to the range required, the amount of obstructions in the radio path and sometimes the constraints imposed by the installation situation.

If in doubt which antennae to use please email Antennae@e2l.uk.com detailing your geographical location (grid reference if possible), and the distance you require.

~~~702~716~~

-3dB Helical whip antenna~An omni-directional antennae offering -3dB gain. This antenna is suitable for direct mounting onto LANDMARKA modules or complete systems which have short range applications of a few hundred metres. The antennae can be used on both receivers and transmitters and provide a general coverage signal. The ideal cost-effective solution to shorter range systems

~~P373.400.10 -3dB Helical 433MHz|398|P373.400.11 -3dB Helical 458MHz|399|P373.400.12 -3dB Helical 867MHz|462|~702~706~~

0dB End-fed dipole antenna~An omni-directional antennae offering 0dB gain. This antenna is suitable for pole mounting at the transmitter and provides maximum output at legal gain limits. The antenna is rugged and provides for easy installation and no directional tuning

~~P373.400.20 0dB dipole 433MHz|392|P373.400.21 0dB dipole 458MHz|393|P373.400.22 0dB dipole 867MHz|463|~702~708~~

5dB 3-element yagi antenna~A directional antennae offering 5dB gain. This antenna is suitable for pole mounting at either end of a system where increased signal strength or directivity is required.
Note: If using this antenna at the transmitter end of a radio link it can only be used with a 10mW radio, not a 500mW version, in order to comply with European legislation. The maximum antenna gain for a 500mW transmitter for legal operation is 0dB.

~~P373.400.30 5dB yagi 433MHz|394|P373.400.31 5dB yagi 458MHz|395|P373.400.32 5dB yagi 867MHz|464|~702~710~~

10dB 7-element yagi antenna~A directional antennae offering 10dB gain. This antenna is suitable for pole mounting at the receiver end of a system where increased signal strength is required over very large distances. The 7 element array makes this antenna very directional, superb for minimising interference and maximising gain and link integrity.
Note: If using this antenna at the transmitter end of a radio link it can only be used with a 10mW radio, not a 500mW version, in order to comply with European legislation. The maximum antenna gain for a 500mW transmitter for legal operation is 0dB.

~~P373.400.40 10dB yagi 433MHz|396|P373.400.41 10dB yagi 458MHz|397|P373.400.42 10dB yagi 867MHz|465|~702~712~~