Qtech-data-systems QDR Digital 900MHz Radio Manual de usuario descargar pdf (Pagina 14)

QDR – QTech Digital Radio – Owners Manual – v1.3 – August 2012 14

www.qtech.co.nz Tel: 03 3663713

9.0 Specifications

Performance

Indoor/Urban range (2.1dBi dipole antenna): Up to 500m

Outdoor line-of-site range (2.1dBi dipole antenna): Up to 5km

Outdoor line-of-site range (9dBi high gain yagi antenna): Up to 10km

Interface data rate: 9600bps

RF data rate: 9600bps

Receiver sensitivity: -110dBm

Power Requirements

Power supply voltage: 7 – 28 volts (30 volts absolute max)

Standby supply current: 85mA @ 12 volts

Transmit supply current: 150mA @ 12 volts

Specification

Frequency: 921.5 – 928.0MHz

RF Output: 1mW to 250mW

Technology: FHSS (Frequency Hopping Spread Spectrum)

Modulation: GFSK (Gaussian Frequency Shift Keying)

Hopping Channels: 6

Modes: point-to-point, point-to-multipoint, repeater

Maximum packet size: 256 bytes

Environmental

0º to 70º (non condensing)

Certification

AS/NZS 4268:2008

Network Configuration

Customer ID: 1 to 255

Site No.: 1 to 255

Radio Address: 1 to 255

Channel No: 1 to 6

RF Power Level: 1 to 8

Repeater Mode: ON/OFF

Serial Mode: None/RS232/RS485-2W/RS485-4W

Specifications may be subject to change.

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Qtech-data-systems QDR Digital 900MHz Radio Manual de usuario Pagina 14