QDR
– QTech Digital Radio – Owner’s Manual – v1.4 – October 2014
www.qtech.co.nz
Page 14 of 16
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.
