2050 Wireless control HF Transceiver

wireless-set"The time and complexity to install HF transceivers into vehicles has been significantly reduced with the introduction 
of the Barrett 2050 Wireless control HF transceiver".

-Wireless handset with LCD display
-Wireless speaker
-Optional GPS receiver incorporated within the 2019 automatic tuning mobile antenna

The protocol between the handset, speaker and the HF transceiver RF module is

proprietary and not based on any current wireless protocols such as Bluetooth© and 802.11.
This protocol and the spread spectrum frequency selection are specifically designed to operate in high RF environments from HF through to VHF and UHF.

The handset can be removed from the vehicle by the authorised operator disabling the use of the HF transceiver when unattended. For fleet use a security tethering cord is supplied to avoid the unit being removed from the vehicle. The handset has internal batteries (not user replaceable to preclude easy removal) and is charged by the mounting cradle that comes in two parts enabling mounting on a dash top or a dash vertical face.

Following installation and on initial power up the HF transceiver RF module automatically 'pairs' the speaker and handset to itself with a unique security code. This ensures that if vehicles are operated in close proximity their respective wireless links do not interfere with each other.

No GPS antenna is visible on vehicle exterior when using the GPS receiver option fitted internally in the 2019 automatic tuning mobile antenna.


2050 Wireless Draw

General Specification

Standards Exceeds/complies with Australian/ New Zealand standard AS/NZS 4770:2000 and AS/NZS 4582:1999 
Exceeds/complies with EMC and vibration standard IEC 945 
Complies with MIL-STD 810G for drop, dust, temperature, shock and vibration
Transmit frequency range 1.6 MHz to 30 MHz (continuous)
Receive frequency range 250 kHz to 30 MHz (continuous)*
Channel capacity Up to 500 programmable channels (simplex or semi-duplex)
Frequency resolution 10 Hz program mode
1 Hz tunable receiver
Frequency stability ±10 Hz or better than 0.3 ppm over temperature range -30°C to +70°C
Operating modes J3E (USB, LSB) - H3E (AM) - J2A (CW) - J2 (AFSK) Optional J2B (AFSK) with narrow filter
Operating temperature -30°C to +70°C humidity 95% relative, non-condensing
Frequency hopping 25 or 5 hops per second with external syncronisation unit (ESU) supplied when the option is fitted. The Barrett frequency hopping system requires no master station, all stations are synchronised and ready to communicate on switch on, synchronisation is not affected by propagation or local interference and there is no late entry synchronisation delay
Supply voltage 2050 -13.8 V DC +20%/-10% (negative ground) polarity protected Over voltage protected. Manpack 22 V DC to 27 V DC (100 to 260 VAC or 11 to 16 V DC) with power adaptor
Current consumption 470 mA standby (muted, back lighting off)
Selcall system Based on CCIR 493-4, four and six digit systems. Protocol available for free distribution. Fully compatible with other major HF manufacturers' four and six digit systems including encrypted systems
Switching speed Less than 15 mS Tx to Rx, Rx to Tx

* reduced sensitivity 250 kHz to 500 kHz


Sensitivity -120 dBm (0.224 uV) for 10 dB SINAD - J3E Mode pre-amp on
-110 dBm (0.708 uV) for 20 dB SINAD - J3E Mode pre-amp off
Selectivity J3E -1 kHz and +4 kHz better than 50 dB
-2 kHz and +5 kHz better than 55 dB
-5 kHz and +8 kHz better than 60 dB
Selectivity J2B (optional) -500 Hz and +500 Hz better than 60 dB The level of an unwanted signal above the level of a wanted signal that will reduce the SINAD of the wanted signal from 20 dB SINAD to 14 dB SINAD
Blocking -20 kHz and +20 kHz better than 71 dB - the level of an unwanted signal above the level of a wanted signal that will reduce the SINAD of the wanted signal from by 6 dB or cause and output level change of 3 dB
Intermodulation Better than 89 dBµV - the level of two unwanted signals, that are within 30 kHz.of the wanted signal, above the level of a wanted signal that reduces the SINAD of the wanted signal to 
20 dB
Spurious response ratio Better than 70 dB
Reciprocal mixing Better than 105 dBµV
In-band IMD Better than 34 dB
Audio output 4 W into 4 ohms at less than 2% distortion
Audio response Less than 6 dB variation from 350 Hz 
to 2700 Hz.
Input protection Better than 30 V RMS from a 50 ohm source


RF output power 125 W PEP voice ±1.5 dB
or 30 W PEP voice ±1.5 dB
or 10 W PEP voice ±1.5 dB
Duty cycle 100% two-tone input signal with fan option
Intermodulation Products better than -31 dB below PEP (25 dB below two tone peak)
Audio frequency response Less than 6 dB variation 350 Hz to 2750 Hz
Current consumption Voice average less than 9 Amps typical 
Two tone less than 12 Amps typical

Wireless Specification

Wireless link specifications
Digital frequency hopping, TDMA radio, 260 channels 2.4 GHz ISM Band
Output power max 1 mW
High resistance to multipath interference
High RF field immunity
Digital audio transceiver with high speed digital control channel
Automatic sense of standard Barrett 2050 front panel via RJ-45 connector
Multiple speakers supported from one HF RF unit
Wireless handset specifications
Standby current 25 mA
Operational current 50 mA
Battery life 6 hours (approx)
LCD status display “Auto Off” if no HF RF unit located
Input voltage To handset cradle 10 to 18 V DC (to supply charge controller in handset when docked)
Wireless speaker specifications
Standby current <10 mA linked to HF RF unit
Operational current 50 mA + speaker volume setting (max 10 W drive)
Input voltage 10 to 18 V DC


Read 1582 times Last modified on Saturday, 30 March 2013 10:52

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