Appendix B: Reference tables
138 Concord 4 Installation Manual
Specifications
Power requirements
Auxiliary power output Class 2, 16.5 VAC, 40 VA, 60 Hz (part no. 600-1023 or 600-1024)
Batteries Rechargeable 12 VDC, 4.5 or 5.0Ah Lead-Acid (part no. 60-681)
OR 12 VDC, 7Ah (part no. 60-680). The battery will last 24 hours
with no AC and specified standby load
Radio frequency 319.5 MHz
Nominal RF range 1,000 ft (305 m) typical open air
Storage temperature - 30 to 140°F (-34 to 60°C)
Operating temperature 32 to 120°F (0 to 49°C)
Relative humidity 85% maximum noncondensing
Dimensions 14 x 12 x 3 in. (356 x 305 x 76 mm)
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