| GENERAL |
| Type: | Amateur VHF/UHF transceiver |
| Frequency range: |
USA
TX: 144-148 / 222-225 / 430-450 MHz
RX: 0.1-524 MHz
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| Tuning steps: |
Standard steps: 5 / 6.25 / 8.33 / 9 / 10 / 12.5 / 15 / 20 / 25 / 30 / 50 / 100 KHz
Fine tuning: 20 / 100 / 500 / 1000 Hz (Band B, AM/SSB/CW only)
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| Frequency stability: | ±2 ppm @ -10 to +50°C (14 to 122°F) |
| Mode: | TX: FM / NFM / DV (D-Star)
RX: AM / FM / NFM / WFM / SSB / CW / DV (D-Star) |
| Channels / memory management: |
1000 regular in 30 groups with alpha tags
100 program scan
1 priority
Non-volatile storage
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| Repeater shift / offset: | ±0 to 29.95 MHz in 50 KHz steps |
| Power supply: | 6-9.6 VDC (Battery pack)
or 11-15.9 VDC external |
| Current drain / power consumption: | RX: 50-310 mA
TX: 0.4-2 A @ 7.4 VDC |
| Antenna impedance / connector: | 50 ohm / SMA |
| Dimensions (W*H*D): | 56*122*33 mm (2.2*4.8*1.28"), with KNB-75LA |
| Weight: | 346 g (12.2 oz), with KNB-75LA, antenna and belt clip |
| Other features: |
CTCSS/PL. DCS. Micro-SD card. Built-in GPS and APRS with digipeater.
Built-in bar entenna for 0.1-10 MHz RX. Color TFT. Weather alert.
Audio equalizer. Hi-performance DSP. Clock. Bluetooth 3.0 class 2.
Backlit keyboard. USB-C connector. D-Star reflector terminal mode.
IP54/55 compliant.
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| RECEIVER SECTION |
| Receiver system: |
Double conversion superheterodyne (FM / WFM / DV)
1st IF: 57.15 MHz (Band A) - 58.05 MHz (Band B)
2nd IF: 450 KHz
Triple conversion superheterodyne (AM / SSB / CW)
1st IF: 57.15 MHz (Band A) - 58.05 MHz (Band B)
2nd IF: 450 KHz
3rd IF: 10.8 KHz
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| Sensitivity: |
AM (10 dB S/N)
0.3-0.52 MHz: 4 uV
0.52-1.8 MHz: 1.59 uV
1.8-54 MHz: 0.63 uV
54-76 MHz: 1.12 uV
118-174 MHz: 0.5 uV
200-250 MHz: 0.63 uV
382-412 MHz: 1.12 uV
415-524 MHz: 1.12 uV
FM (12 dB SINAD)
28-54 MHz: 0.32 uV
54-76 MHz: 0.56 uV
118-144 MHz: 0.36 uV
144-148 MHz: 0.18 uV (Band A), 0.19 uV (Band B)
148-175 MHz: 0.36 uV
200-222 MHz: 0.36 uV
222-225 MHz: 0.18 uV (Band A), 0.2 uV (Band B)
225-250 MHz: 0.36 uV
382-400 MHz: 0.5 uV
400-412 MHz: 0.36 uV
415-430 MHz: 0.36 uV
430-450 MHz: 0.18 uV (Band A), 0.2 uV (Band B)
450-490 MHz: 0.36 uV
490-524 MHz: 0.63 uV
NFM (12 dB SINAD)
144-148 MHz: 0.22 uV (Band A), 0.24 uV (Band B)
222-225 MHz: 0.22 uV (Band A), 0.25 uV (Band B)
430-450 MHz: 0.22 uV (Band A), 0.25 uV (Band B)
WFM (12 dB SINAD)
76-95 MHz: 1.59 uV
95-108 MHz: 2 uV
SSB (10 dB S/N)
1.8-54 MHz: 0.4 uV
54-76 MHz: 0.79 uV
144-148 MHz: 0.16 uV
222-225 MHz: 0.2 uV
430-450 MHz: 0.16 uV
DV (PN9/GMSK, 4.8 kbps, BER 1%)
144-148 MHz: 0.22 uV
222-225 MHz: 0.22 uV
430-450 MHz: 0.22 uV
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| Squelch sensitivity: |
Band A
0.18 uV (Treshold)
Band B
0.25 uV (Treshold)
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| Selectivity: |
FM:
12 KHz (-6 dB)
30 KHz (-50 dB)
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| Image rejection: | 60 dB |
| AF output power / speaker: | 400 mW at 10% distortion / 8 ohm |
| External speaker connector: | |
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| TRANSMITTER SECTION |
| RF output power: |
| High | Mid | Low | ELow |
|---|
| 2 m: | 5 W | 2 W | 500 mW | 50 mW |
| 70 cm: | 5 W | 2 W | 500 mW | 50 mW |
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| Modulation system: |
FM: Reactance modulation
DV: GMSK reactance modulation
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| Max FM deviation (Factory set): | FM: ±5 KHz
NFM: ±2.5 KHz |
| Spurious emissions: | Better than -60 dBc (Hi-Mid settings) |
| Microphone impedance/connector: | 2 Kohm / ?-pin |
| Microphone input level: | ? mV |
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| MISCELLANEOUS |
| Manufactured: | 2023-202x |
| Additional info: |
This is basically an updated TH-D74A.
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| Related documents: | User manual (5 MB) |
| Modifications and fixes: | |
| Reviews: | |
| Options / Accessories: |
ARFC-D75
EMC-3A
EMC-11
EMC-12
HMC-3
KBP-9
KHS-21
KHS-35F
KMC-45D
KNB-75LA
KSC-25LS
MCP-D75
PG-2W
PG-3J
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Frequency control software
Clip microphone with earphone
Clip microphone with earphone
Clip microphone with earphone
Headset with VOX
Battery case (Six LR03 / AAA alkaline batteries)
Headset
Headset
Speaker-microphone
Li-Ion battery pack. 7.4 V, 1820 mAh
Rapid charger
Memory control software
DC cable
Cigarette lighter cord with noise filter
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