Functional And Physical Specifications; General; Wireless; Coaxial Cable - Emerson Rosemount 3308A Reference Manual

High Gain Remote Antenna Option
August 2017
C.2

Functional and physical specifications

C.2.1

General

Weight: 1.0 lb (0.4 kg)
Ratings: NEMA
Vibration: 3g Max vibration
C.2.2

Wireless

Output: WirelessHART
Communication range: 2/3 mile (3,300 feet) (1.0 km) with L.O.S.
Radio frequency power output from High Gain, Remote (WN option) antenna: Maximum of 40mW
(16dBm) EIRP
C.2.3

Coaxial cable

Coaxial length: 25 feet (7.6 meters) with Type N Connections
Coaxial material: Heavy duty, low loss LMR400 cable
Minimum coaxial bend diameter: 1.0 ft. (0.3 meter)
C.2.4

RF Lightning Arrestor

Type: In-line lightning arrestor
Electrical connection: Lightning arrestor must be grounded per local electrical codes and regulations.
C.2.5

Mounting bracket

Horizontal or vertical mast accommodation
Supported mast diameter: 1.0-2.5 inch (2.5-6.4 cm)
Aluminum bracket
Nickel/Zinc plated mounting U-bolts
C.2.6

Antenna

Remote mount Omni directional Antenna
Fiberglass & Aluminum construction
8 Db Gain
Meets MIL-STD-810G (Method 510.5, Procedure I and II)
C.3

Review installation considerations

C.3.1

Antenna mounting

Mount antenna vertically (±5°)
C.3.2

Antenna height

Mount antenna 14 feet (4.3 meters) above infrastructure with clear line of sight.
154
PRELIMINARY
®
4X, and IP66/67
®
2.4 GHz DSSS (Direct Sequence Spread Spectrum)
Reference Manual
00809-0100-4308, Rev CA
High Gain Remote Antenna Option