Specifications

General

Frequency Range
UHF: 400-470 MHz; VHF: 136-174 MHz
Channel Capacity
256 (16 channels per zone)
Zone Capacity
16
Channel Spacing
25 kHz / 12.5 kHz
Operating Voltage
13.6 V ±15%
Current Consumption (Standby)
Approx. 0.3 A
Current Consumption (Transmit)
45W:<12A; 25W:<8A; 1W:<3A; 5W:<5A
Current Consumption (Receive)
< 1A
Frequency Stability
±0.5 ppm
Antenna Impedance
50Ω
Dimensions (H×W×D)
164 x 43 x 150 mm
Weight
1100g
Display
1.5 in LCD, 128×64 px, 2 lines

Transmitter

RF Output Power
Low power: 1–25 W (UHF/VHF); high power: 5–45 W (UHF) / 5–50 W (VHF)
FM Modulation
11K0F3E @12.5 kHz; 16K0F3E @25 kHz
4FSK Digital Modulation
12.5 kHz data: 7K60FXD; 12.5 kHz data + voice: 7K60FXW
Spurious Emission / Radiation
-30 dBm >1 GHz; -36 dBm <1 GHz
Modulation Limit
±2.5 kHz @12.5 kHz; ±5.0 kHz @25 kHz
FM Hum and Noise
40 dB @12.5 kHz; 45 dB @25 kHz
Adjacent Channel Power
60 dB @12.5 kHz; 70 dB @25 kHz
Audio Distortion
≤3%

Receiver

Sensitivity (Analogue)
0.22 μV (12 dB SINAD)
Sensitivity (Digital)
0.22 μV / BER 5%
Adjacent Channel Selectivity
ETSI: 60 dB @12.5 kHz / 70 dB @25 kHz; TIA-603: 60 dB @12.5 kHz / 70 dB @25 kHz
Intermodulation
ETSI: 65 dB @12.5/25 kHz; TIA-603: 70 dB @12.5/25 kHz
Spurious Response Rejection
ETSI: 70 dB @12.5/25 kHz; TIA-603: 70 dB @12.5/25 kHz
Blocking
ETSI: 84 dB; TIA-603: 90 dB
Hum and Noise
40 dB @12.5 kHz; 45 dB @25 kHz
Audio Output Power (Internal)
4 W @ 16Ω load
Audio Output Power (External)
8 W @ 8Ω load
Maximum Audio Output (Internal)
6 W @ 16Ω load
Maximum Audio Output (External)
10 W @ 8Ω load
Audio Distortion
≤3%
Audio Response
+1~-3 dB
Spurious Emission
< -57 dBm

Environmental

Operating Temperature
-30°C ~ +60°C
Storage Temperature
-40°C ~ +85°C
ESD
IEC 61000-4-2 (Level 4); ±15 kV (air); ±8 kV (contact)
Dust and Water Protection
IP54
Humidity, Vibration, Shock
MIL-STD-810G

Compare Similar Models

Only the technical values that differ between models are listed; identical rows are omitted. Values are taken from the manufacturer’s published data sheets.

Property Hytera MD625 Professional DMR Mobile Radio Hytera HM689 Professional DMR Mobile Radio Hytera HM789 Professional DMR Mobile Radio Hytera MD615 Professional DMR Mobile Radio
Frequency Range UHF: 400-470 MHz; VHF: 136-174 MHzUHF: 400~470 MHz, 450~527 MHz; VHF: 136~174 MHzUHFv: 350–470 MHz, 450–527 MHz; VHF1: 136–174 MHz; UHF5: 806–825 MHz (transmit only), 851–870 MHz (transmit and receive), 896–902 MHz (transmit only), 935–941 MHz (transmit and receive)UHF: 400-470 MHz; VHF: 136-174 MHz
RF Output Power Low power: 1–25 W (UHF/VHF); high power: 5–45 W (UHF) / 5–50 W (VHF)Low: 5–25 W; High: 5–45 WLow: 1–25 W (136–174 MHz, 350–527 MHz); high: 5–50 W (136–174 MHz), 1–45 W (350–527 MHz); UHF5: 10–35 W (806–825/851–870 MHz), 10–30 W (896–902/935–941 MHz)Low power: 1–25 W (UHF/VHF); high power: 5–45 W (UHF) / 5–50 W (VHF)
Channel Capacity 256 (16 channels per zone)512102448 (16 channels per zone)
Zone Capacity 1632643
Display 1.5 in LCD, 128×64 px, 2 lines1.45 in, 6 lines2.4 in, 320×240 colour display, 8 linesDigital display
Weight 1100g1150g1520g1100g
Dimensions (H×W×D) 164 x 43 x 150 mm164 x 159 x 42 mm61.5 x 177 x 179 mm164 x 43 x 150 mm
Channel Spacing 25 kHz / 12.5 kHzAnalogue: 25/20/12.5 kHz; digital: 12.5 kHz12.5 / 20 / 25 kHz25 kHz / 12.5 kHz
Operating Voltage 13.6 V ±15%13.6V ±15% DC13.6V ±15% DC13.6 V ±15%
Current Consumption (Standby) Approx. 0.3 A<0.5A<0.5AApprox. 0.3 A
Current Consumption (Transmit) 45W:<12A; 25W:<8A; 1W:<3A; 5W:<5A<2.0A1W: <3A; 25W: <8A; 45/50W: <12A; 5W: <4A45W <12A; 25W <8A; 1W <3A; 5W <5A
Current Consumption (Receive) < 1A5W: <4A; 25W: <8A; 45W: <12A<2.0A< 1A

Hytera MD625 Professional DMR Mobile Radio — Detail

Technical assessment

The Hytera MD625 operates across UHF: 400-470 MHz; VHF: 136-174 MHz. Several band versions exist; which one to buy follows from the frequency assigned to your organisation. UHF passes between walls and obstructions more readily, which is why it is preferred inside buildings, industrial plants and dense urban areas. VHF carries further over open ground and water at the same power.

RF output power is Low power: 1–25 W (UHF/VHF); high power: 5–45 W (UHF) / 5–50 W (VHF). More power is not automatically better: it extends range and shortens battery life at the same time. Teams working close to a repeater are usually served by the low setting, which also lengthens the shift.

Capacity is 256 (16 channels per zone) channels across 16 zones. A zone is a page of grouped channels — separate zones are defined for different sites, different shifts or joint working with another organisation. On a multi-site system that grows, this is what lets the channel plan be extended without a rebuild.

Receiver sensitivity is 0.22 μV / BER 5%. Sensitivity states how weak a signal the radio can still decode, and a lower number is better. At the edge of coverage it determines range as much as transmit power does — communication usually fails not because the other party cannot hear, but because the radio cannot decode a weak signal.

Ingress protection is IP54. IP67 and above means the device withstands immersion in one metre of water. The rating only holds if the fitted battery and the accessory jack cover carry the same class; a standard battery lowers the protection of the whole assembly.

Operating temperature range is -30°C ~ +60°C.

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