Utilizzo Fino A 25 Mw: Numero Massimo Di Canali - Adeunis RF ARF868 Guia Del Usuario

ARF868 Radio Modems - User guide version V1.6
Alternate channel
46dBc
rejection (N-2/N+2)
Blocking
2.3.3.2

Utilizzo fino a 25 mW: numero massimo di canali

Il resto della banda 863-870 MHz è segmentato in sottobande da 25 mW aventi ciascuna propri requisiti regolamentari. Il modem ARF868
sfrutta al massimo le possibilità di questa banda per consentire un massimo di applicazioni. Le caratteristiche sono esposte in dettaglio nella
tabella seguente:
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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