Adeunis RF ARF868 ULR Mode D'emploi page 40

ARF868 Radio Modems - User guide version V1.6
Alternate channel
46dBc
rejection (N-2/N+2)
Blocking
2.3.3.2 Usage up to 25mW: maximum number of channels
The rest of the 863-870MHz band is segmented into sub-bands of 25mW, each with their regulatory requirements. The ARF868 modem makes
the best use of all the possibilities of this band to enable a maximum number of applications. The characteristics are given in the table below:
Parameters
RF data rate
2.4kbps
Available channels
Up to 506
Available RF radia-
ted power
Modulation 2 GFSK
RX sensitivity
-122dBm
ARF868 MR
Range ARF868 MR
Up to 4km
TNC version
RX sensitivity
-109dBm
ARF868 MR
Range ARF868 LR
Up to 1km
TNC version
Duty cycle
Spacing 12.5kHz*
Rejection on adja-
cent channel (N-1/
46dBc
N+1)
Alternate channel
46dBc
rejection (N-2/N+2)
Blocking
50dBc 39dBc
>75dB
9.6kbps 38.4kbps
Up to 249 Up to 80
2 levels
+14 dBm
+10 dBm
4 GFSK
-116dBm -112dBm
Up to 2.5km Up to 1km
-106dBm -100dBm
Up to 700m Up to 500m
Up to 1%
Depending on the frequency used and the channel
25kHz 50kHz
50dBc 39dBc
50dBc 39dBc
>75dB
39dBc
@ +/-1 MHZ, +/-2 MHz, +/- 10 MHz
Conducted measurement
To be Conditions
released
In bold, data rate by default.
57.6kbps 115.2kbps
Modification through AT COMMAND ATS254
(see chapter § 5.3)
Up to 60 Jusqu'à 60 Modification through COMMAND ATS200
(see chapter §5.3)
Power up to 14dBm (500mW)
For each frequency is assigned a channel
number «C» with the formula :
Frequency = 863.0125 + ((C-13)*0.0125)
with C= 13 to 571.
C values available depend on the data rate.
See Appendix 1 at end of document for a
complete list of channels and frequencies
In bold, RF power by default.
Modification through AT COMMAND ATS231
(see chapter §5.3)
@BER 10
-110dBm
Up to 1km in open field
@BER 10
-100dBm
Up to 500m in open field
See CEPT Recommendation 70-03 for more
information
* spectral occupancy 2.4kbps being slightly
75kHz 250kHz greater than 12.5KHz, Adeunis RF advocates
use N-2/N+2
39dBc
39dBc
@ +/-1 MHZ, +/-2 MHz, +/- 10 MHz
Conducted measurement
-3
-3
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