Technical information

EMS SYSTEM 7000
7703 INSTALLATION, ISSUE V2.2 – 13/04/10
14
7. Technical Information For The 7703 Receiver
Dimensions: 230mm x 150mm x 68mm
Weight of 7703 (DC version) 1.4 G (Without Battery)
Operating Frequency: 458.50 to 458.80 MHZ (MPT 1329)
Channel Spacing: 25 KHZ
Modulation: FSK NBFM
Deviation: +/- 2.4 KHZ
Sensitivity: -120 DBM for 12 DB SINAD
R.S.S.I: Analogue, Dynamic range 80 DBM
A.F.C: +/- 3 KHZ
Antenna Input: 50R
Radio Blocking Detection: Signals exceeding -110 DBM
Power of 7703: 240 VAC 50 HZ at 7.5 VA
Low supply flag at: 10.5 or 21 VDC selectable
Relay contact rating: 24 VDC at 1 AMP MAX, 28VA
Operation Temperature: -10 to 55 degrees centigrade
Humidity: Up to 75% non Condensing.