User's Manual

• CE for Europe: +20 dBm max at 100 kbps and 500 kbps, +10 dBm max at 1200 bps

•

FCC / IC for USA and Canada: +27dBm max at 1200bps, 100kbps, 500kbps

Set Radio frequencies:

Use this menu to choose one of these sets of frequencies used in the Frequency Hopping Spread Spectrum (FHSS):

• 2405-2469 hopset : full 2.4GHz frequency band1

{2405.5 MHz; 2409.5 MHz;….; 2465.5; 2468.5 MHz } is the set of frequencies

• 2405-2469 hopset : full 2.4GHz frequency band2

{2406.5 MHz; 2410.5 MHz;….; 2466.5; 2467.5 MHz } is the set of frequencies

• 2405-2469 hopset : full 2.4GHz frequency band3

{2407.5 MHz; 2408.5 MHz; 2412.5 MHz ….; 2463.5; 2464.5 MHz } is the set of frequencies

• 2405-2438 hopset : half 2.4GHz frequency band1

{2405.5 MHz; 2407.5 MHz;….2437.5 MHz }

• 2422-2458 hopset : half 2.4GHz frequency band2

{2422.5 MHz; 2424.5 MHz;….2434.5 MHz; 2439.5 MHz; 2441.5 MHz;….2457.5 MHz }

• 2436-2469 hopset : half 2.4GHz frequency band3

{2436.5 MHz; 2438.5 MHz;….2468.5 MHz }

• 2405-2422 hopset : narrow 2.4GHz frequency band1

{2405.5 MHz; 2406.5 MHz;….2421.5 MHz }

• 2429-2446 hopset : narrow 2.4GHz frequency band2

{2429.5 MHz; 2430.5 MHz;….2445.5 MHz }

• 2452-2469 hopset : narrow 2.4GHz frequency band3

{2452.5 MHz; 2453.5 MHz;….2468.5 MHz }

The hopset has to be chosen to reduce interference with other radio equipments in 2.4 GHz frequency band.

For example, if a Wifi access point is configured at channel 6, the frequency band of the access point is 2426MHz-

2448MHz. Thus, the “Narrow Band 1” (2405-2422MHz) and “Narrow band3” (2452-2469MHz) hopsets have no

interference with this Wifi access point.

The following chart shows the Wifi channels in 2.4GHz frequency band:

Set Radio Security Keys :

Use the Frequency and the Synchro Word keys to secure its LRC-508 network.

Use the Frequency key to limit the interference with another LRC-508 network. The Frequency key defines a unique

frequency sequence. Two different Frequency keys define two frequency sequences, using the same set of 17

frequencies but correlation between the two different sequences is about null.