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HS2
User Manual
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Ailunce HS2 User Manual

Ailunce HS2 HF/VHF/UHF Full Mode SDR Transceiver
1
HF/VHF/UHF
Full mode SDR transceiver
Ailunce HS2
User manual
1
Summary ……………………………………………...................... 2
Accessories and options …………………………........................... 4
Specifications ……………………………………........................... 5
Panel control and operation ……………………….......................... 8
Front panel ………………………………………….... 8
Key Function ……………………………………..….. 9 Indicator light ………………………………………... 10
Main interface ……………………………............….. 11
Band selection operation ………………..…………… 12 Different frequency operation ……………..………… 12
AF audio setting ……………………………....……... 13
RF setting …………………………………......……... 13
USB sound card data output format setting ……..…... 14 Transceiver frequency offset setting …………...……. 14
Transceiver mode setting ………………………......... 15
Tune operation ……………………………….…….... 15
A/B frequency operation ……………………...….….. 16
NR/NB noise suppression setting …………….......…. 16
Spectrum and waterfall display setting ………........… 17
Spectrum parameter display setting ……….......…...... 17
Digital filter operation ………………………….…..... 18
Transmitting power setting …………………..….….... 18
Application menu operation ………………….….…........... 18
FM Broadcast ……………………................................ 19
Bluetooth/GPS……………………….....……............... 19
LoRa/Compass……...............……………....………..................... 20
Music .................................... ……………………......................... 20
Set........................................................... ……….......................…. 20
Rear panel interface ………………………….....................................…..…... 21
Interface definition ……………………....................................………..…...... 23
Transmitting operation....................................................................................... 24
SSB communication ………………….......................…………..... 26
CW communication ………………….........................………….... 26
FM communication ………………….......................……………... 27
Relay operation …………………….......................………………. 27
AM communication …………………......................……………... 28
Data communication RTTY …………......................……………... 28
Customize digital pattern mode …..................................…………. 28
CAT control ………………………………….................................. 29
Computer third-party software setting operation ….......................... ..........… 30
JTDX setting ……………………………....................…................ 30
HRD setting ………………………................................................. 32
N1mm setting …………………….............................…......…....... 34
HDSDR setting …………………….............................….............. 35
Mobile APP ……………………………......................................... 38
PC software ……………………………......................................... 38
Receiving advanced operation …………........................................ 38
HS2 firmware upgrade …………………….....................................…...….… 40
Warnings ………………………………………............................................... 41
Product warranty card……………………………............................................ 49
Ailunce HS2 HF/VHF/UHF Full Mode SDR Transceiver

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Ailunce HS2 HF/VHF/UHF Full Mode SDR Transceiver
2
HS2 is an ultra-portable full-frequency full-mode SDR radio which is launched by us. The receiving frequency is 300kHz ～1.6GHz, and the transmitting band covers 160m～70cm.
HS2 operation modes include SSB, CW, AM, FM, LoRa, and digital modes. It includes all the advanced functions and features of all radio stations.
HS2 is designed with two power supply modes, USB interface, and the DC interface. The power supply voltage range is a 5VDC ~ 32VDC. At the same time, all power interfaces support anti-reverse connection protection.
The display adopts high brightness and high-resolution liquid crystal display, the backlight brightness can be adjusted, and it can also be clearly displayed outdoors. The panel is designed with a full keyboard, which is convenient for various operations. The keyboard backlight can be adjusted to operate the radio in a dark environment.
The built-in network interface can realize remote operation and remote firmware upgrade*1. The HAM-BOX mobile APP developed by Retevis company can remotely control the radio*2, making radio operation more convenient and fast. It has a built-in Bluetooth module, a USB cable integrated sound card, and a serial port, and a USB cable can control the radio.
HS2 has a lot of advanced features that are only available in large base stations. This machine has dual VFO mode, different frequency operation function, intermediate frequency offset adjustment, receiving frequency fine-tuning, intermediate frequency noise suppression, AGC speed selection, RF gain adjustment, squelch control, front attenuator, AM aviation communication reception, AM/FM Broadcast reception, built-in telegraph automatic key, automatic key-point ratio adjustment, built-in CTCSS analog tone, automatic shutdown function (APO), transmission timeout function (TOT); connection with computer and computer-aided control function, copy function, etc.
In addition, HS2 has a wide range of options.
*1
：Reserved function, still in developing, temporarily unavailable, we will release it when it is available.
*2
：Reserved function, still in developing, temporarily unavailable, we will release it when it is available.

Summary

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3

HS2 Basic Features and Application

Feature
1, Real-time spectrum
2, Waterfall illustration
3, Doppler frequency tracking(under development)
4, Software Defined Radio (SDR) technology, the full frequency band supports SSB, CW, RTTY, AM, FM.
5, Double frequency conversion circuit structure
6, The Intermediate Frequency width and Intermediate Frequency displacement hardware and software can be modified to provide powerful IF interference suppression
7, DSP digital noise reduction
8, Built-in (6 ~ 160) m high-speed automatic Antenna tuner
9, Built-in electronic key controller, all parameters can be flexibly set.
10, Built-in sound card with IQ and audio output
11, Internal memory
12, USB Type-C 3.1 interfaces for power supply and computer connection.
13, High precision TXCO ± 0.5ppm (- 10℃~ 60℃)
14, Ultra-wide working voltage range: 5VDC ~ 32VDC
*1
15, Power supply reverse connection protection
16, Built-in GPS/ BeiDou Navigation Satellite System, GSM, electronic compass (acceleration, angle sensor) (optional)
17, GPS timing (requires optional GPS module)
18, Built-in UTC clock
19, Voltage display
20, Unique LoRa data transmission (requires matching LoRa module).
21, Ultra-lightweight: ≤2kg
22, Built-in remote operation network interface, remote firmware upgrade
*2
Application
Emergency communication, Remote spectrum monitoring and sensing
Radio direction finding, Ham radio
*1
：5—32V receiving range, 5-12V transmit power limit, 12-15v UV full power output, 12-18V HF full power output, 15/18-32V prohibits transmit.
*2
：Reserved function, still in developing, temporarily unavailable, we will release it when it is available.
Ailunce HS2 HF/VHF/UHF Full Mode SDR Transceiver
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4

Accessories and options

Standard
Option
FM Module
GPS Module
Bluetooth Module
LoRa Module
Built-in Sound Card
Electronic Compass Module (Altimeter)
Built-in Automatic Tuner
Shortwave Balcony Antenna
Internal Memory
External VFO Knob
DC Power Cord
Bluetooth Hand Microphone
Type-C USB Cable
Wired Hand Microphone
Ailunce HS2 HF/VHF/UHF Full Mode SDR Transceiver
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5
Specifications
Transmitter Parameter
Transmitting Architecture
SDR
Transmitting Mode
SSB，CW，RTTY，AM，FM
Frequency Resolution
1Hz
Transmitting Frequency Range*1/MHz
1.800～2.000；3.500～3.900；5.351.5～5.366.5；7.000～7.200；
10.100～10.150；14.000～14.350；18.068～18.168；21～21.450；
24.890～24.990；28～29.7；50～54；144～146；430～440.
Output Power
*2
HF+6m: SSB: 1W～20W, CW: 0.1W～20W, FM: 0.1W～20W, AM: 1W～ 5W；
VHF: SSB/CW/FM: 0.5W～5W；
UHF:SSB/CW/FM: 0.5W～5W.
Power Consumption
TX: 13.8V*6A(20W);
RX: 13.8V*0.35A Typical value, 0.45A(Maximum brightness, audio peak)
Carrier Suppression
＜50dB
Spurious Suppression
1.8 MHz～54MHz：≥50dB
；
144 MHz～146MHz：≥60dB
；
430 MHz～440MHz：≥60dB.
Number of Channels
999（Temporarily unavailable
）
Ailunce HS2 HF/VHF/UHF Full Mode SDR Transceiver
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Ailunce HS2 HF/VHF/UHF Full Mode SDR Transceiver
6
Receiver Parameter
Receiving Architecture
SDR
Receiving Mode
SSB,CW,RTTY,AM,FM
Receiving Frequency Range
300kHz～1.6GHz
*
Intermediate Frequency Bandwidth
20kHz
Intermediate Frequency
ZERO IF
Sensitivity*2
SSB/CW:(BW: 2.4kHz @ 10dB S/N
）；
0.18μV(1.8～54)MHz；0.25μV(144～146)MHz
；
0.25μV(430～440)MHz；AM:( BW: 6kHz @ 10dB S/N)
；
15μV(0.3～1.8)MHz；2μV(1.8～54)MHz
；
2μV(144～146)MHz；2μV(430～440)MHz
；
FM:(BW: 15kHz @12dB S/N)；0.5μV(28.0～29.7)MHz
；
0.25μV(50～54)MHz；0.3μV(144～500)MHz
；
0.5μV(430～440)MHz.
Intermediate Frequency suppression
≥70dB
Image Suppression
≥80dB
Audio Output Power
2W(10% distortion rate, 4Ω load, 3kHz)
Spectrum Parameter
Spectrum Bandwidth
48K
Radio Frequency Spectrum
FFT
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Ailunce HS2 HF/VHF/UHF Full Mode SDR Transceiver
7
Antenna Tuner Parameter
Tuning Frequency Range
1.8 MHz～54MHz
Tuning Impedance Range
16.7Ω～150Ω unbalance (standing wave ratio is better than 1:3)
Tuning Accuracy
VSWR: ≤1:1.5or less
Tuning Time
2s～5s（Full Band 10s）
Tuning Ways
Automatic/Manual
Structural Parameter
Size
190mm×120mm×45mm (without protrusions)
Weight
＜1.5kg
Working Voltage Parameter
Voltage Range
Receiving range is 5V ～ 32V, transmitting power limit is 5V ～ 12V, full power output is 12V～18V, transmitting power limit is 18V～32V.
Antenna Interface
Antenna Interface
M
Working Environment Parameter
Working Temperature
-10℃～60℃
Working Humidity
10%～70%
Note:
*1:
The frequency is set according to local laws.
*2:
To be calibrated, the final interpretation right belongs to the manufacturer.
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8

Panel control and operation

①
Numeric keyboard
②
LCD Monitor
③
Function keyboard
④
Headphone interface
⑤
Wired hand microphone interface
⑥
Receiving indicator
⑦
Transmitting indicator

Front panel

Ailunce HS2 HF/VHF/UHF Full Mode SDR Transceiver
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Key Function

Key
Short key Function
Long Key Function
Power
Switch the standing wave table (VSWR), ALC, MIC audio indication
Power on, power off Band
Frequency band selection
CW setting
Split
Different frequency on, different frequency off
CTCSS setting
AF
Volume, MIC gain, MIC audio compression, ground bass, treble
*
RF
Radio frequency gain, Intermediate frequency gain, AGC, SQL, AMP
USB data output format selection
R/X
RIT receiving frequency offset, XIT transmitting frequency offset
Transceiver frequency deviation switch Mode
Mode setting
USB/LSB, NFM/WFM/CWR switching
Tune
Antenna tuner on and off
Antenna tuner start and stop
A/B
A frequency or B frequency
A frequency = B frequency
NR
NB or NR options
Only display the spectrum, only display the waterfall chart, display the spectrum and the waterfall chart at the same time
Ailunce HS2 HF/VHF/UHF Full Mode SDR Transceiver
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Ailunce HS2 HF/VHF/UHF Full Mode SDR Transceiver
10
DSP
NR, NB, PEAK threshold setting
Turn off NR or NB
PA
Transmitting power setting
High, Low transmission power gear selection
BW
Digital filter selection
Spectrum bandwidth setting, spectrum reference level setting, spectrum refresh rate setting.
▪
*
5W enable CW long tone transmit to adjust the antenna standing wave.
Direction key left
Left selection or decrement value operation
*
Direction key right
Right selection or increment value operation
*
Direction key up
Up choose
Fast frequency improvement
Direction key down
Down choose
Fast frequency reduction
Menu
Confirm
Application interface, back
Indicator light
Red Light
Green Light
Transmitting
On
Receiving
On
Program Exception
Flicke
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11
1, Digital filter
2, Waterfall illustration
3, Frequency spectrum
4, Band A/B instructions
5, Mode
6, SWR, AUD, ALC instrument
7, S meter (transmitting power meter when transmitting)
8, Different frequency transmitting frequency
9, Main frequency display (inter-frequency receiving frequency)
10, Voltage
11, High/Low power
12, Tune enable
13, Electronic compass
14, LoRa
15, GPS
20, NB indicator
21, NR indicator
22, RIT/XIT offset
16, Bluetooth
17, Time
18, Digital filter width
19, Frequency Spectrum bandwidth
Ailunce HS2 HF/VHF/UHF Full Mode SDR Transceiver

Main interface

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12

Band Selection Operation

Short press the 【BAND】 button to pop up the frequency band selection interface, press the direction key to select the frequency band, and press the MENU key to confirm.
Press【SPLIT】to display the different frequency, then press again to turn off the different frequency. Press the left and right direction keys to select the frequency, and press the up and down direction keys to increase or decrease the frequency. The upper row of frequencies is the receiving frequency and the lower row is the transmitting frequency. Press 【 A/B】 to switch.
Ailunce HS2 HF/VHF/UHF Full Mode SDR Transceiver

Different Frequency

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13

AF audio Setting

Short press the
【AF】
button to enter the AF interface, use the left and right direction keys to select the setting item, and use the up and down buttons to set the value.
VOL: Volume
MIC: MIC gain
CMP: MIC Compression ratio
BAS: Bass
TRB: Treble
Short press 【 RF 】 to enter the RF parameter setting interface, use left and right direction keys to select the setting item and use the up, and down keys to set the value.
RFG: RF gain
IFG: IF gain
AGC: Automatic gain adjustment speed
SQL: Squelch level (FM)
AMP: Pre-amplification

RF setting

Ailunce HS2 HF/VHF/UHF Full Mode SDR Transceiver
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14

USB sound card data output format setting

Long press the 【RF】 key to enter the USB sound card data output format selection interface, and use the up and down keys to select the output mode. Press and hold again to exit.
MIC: Select when using a microphone.
USB: Select when entering digital modes such as FT8/HRD/N1MM/LOG32/RTTY.
SDR: Select when using software such as SDR#/HDSDR.
Long press【R/X】to open the beat frequency setting interface. Short press to select the receiving beat frequency RIT, and then short press to set the transmitting beat frequency XIT. Use the left and right direction keys to set the frequency deviation. Then long press
【
R/X】to exit.
Beat frequency = key display value * 20Hz.

Transceiver beat frequency setting

Ailunce HS2 HF/VHF/UHF Full Mode SDR Transceiver
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