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ARF169 Radio Modems - User guide version V1.4
29
Page
of 40
1.10. Protection of remote aerial modems against overloads
It is sometimes necessary to protect the product against lightning. When the product is positioned high up it can potentially be struck by
lightning which results in irreversible damage to the product. All lightning arrester systems can be installed between the aerial and the ARF868
modem (products with remote aerials). It is important to follow the manufacturer’s recommendations. The diagram below shows an example of
a lightning arrester installation.
No
Description
Reference
1
TNC connector of ARF868 modem
2
Mounting nut
delivered with product
3
Tooth lock washer
delivered with product
4
12-10 AWG wire
(must be earthed)
5
Round terminal
RS : 613-9429
6
O ring seal
delivered with product
7
Lightning arrestor
RS : 111-658
8
Male-Male TNC adapter
RS : 193-7953
9
Aerial
2. Electrical and radio specifications
2.1. Maximum values
Parameters
Min
Typ
Max
Unit
Conditions
Voltage
4.5
12
36
V
Storage temperatures
-40
20
+85
°C
2.2. General specifications
Parameter
Min
Max
Power supply
4.5V
12V
24V
36V
TX @27dbm
600mA
240mA
145mA
95mA
TX @20dBm
290mA
153mA
86mA
63mA
TX @14dBm
170mA
98mA
53mA
36mA
TX @10dBm
130mA
75mA
40mA
27mA
RX
65mA
26mA
15mA
7mA
Operating temperature
-30°C
+70°C