Commercial VHF DMR Mobile Radios with LCD Display, GPS, and Optional Bluetooth
The MD622i is a cost-effective DMR mobile radio that delivers value with extensive features. Providing long-range transmission, robust design, and clear voice transmission, this compact mobile radio can be used in a variety of applications.MD622i Mobile Radio Applications
- School Transportation
- Towing
- Taxis
- Ambulance and EMT
- Agriculture
- Construction
- Delivery Services
Functions
With a high RF power output up to 50W, the MD622i dramatically extends communication range
ANALOG SIGNALING
Supports HDC1200 signaling for Caller ID and Emergency Calls in analog mode, and is compatible with MDC1200 signaling used by other analog radios. The MD622i can decode DTMF tones while in analog mode for Caller ID signaling
EMERGENCY ALARMS
Emergency Alarms can be sent to other radios via the one touch emergency button. mproves worker safety and emergency
Simultaneously monitors analog and digital modes and automatically responds in each mode
PRE-PROGRAMMED TEXT MESSAGING
One-touch sending of up to ten pre-programmed text messages
Systems and Network
ROAMING
This feature enables the radio to switch between sites, ensuring seamless communication.
DIGITAL ENCRYPTION
Ensure your radio transmissions are secure with end-to-end encryption
RADIO REGISTRATION SERVICE
RRS allows the MD622i to communicate with dispatch and unified communications applications
PSEUDO TRUNKING
Using pseudo-trunking, a Hytera patented technology, communication slots can be shared to improve capacity usage with transmissions either direct to devices or to repeater.
DMR TIER II
The MD622i can be deployed on DMR Tier II systems
HIGH QUALITY AUDIO
Audio equalizer adjusts low, mid, and high frequency gain. Provides the best audio performance in noisy or quiet environments
DUAL MODE
Operating in Analogue and Digital mode to aid your migration from Analogue to Digital two-way radio technology.
GPS (OPTIONAL ACCESSORY)
Enables real-time location tracking for dispatch applications (requires external GPS module and GPS antenna)
Wireless connectivity to audio devices to improve user experience.
RELIABLE AND DURABLE
The MD622i is compliant with MIL-STD-810 G for impact strength and durability, and IP54 water and dust ingress
Technical Specifications
General
| Frequency Range | VHF: 136-174 MHz |
| Channel Capacity | 256 Channels (128 Analog, 128 Digital) |
| Zone Capacity | 16 Zones with 16 Channels per Zone |
| Channel Spacing | 25/12.5kHz |
| Operational Voltage | 13.6 V ±15% |
| Weight | 1100g (2.4 pounds) |
| Dimensions | 6 15/32” x 1 11/16” x 1 15/16” (164 x 43 x 150 mm) |
| Frequency Stability | 0.5ppm |
| Antenna Impedance | 50Ω |
| LCD Display | 128×64 pixels, 1.5 inch, 4 lines |
Receiver
| Digital Sensitivity | 0.3µV (BER 5%) |
| Analog Sensitivity | 0.22µV (Typical) (12dB SINAD) 0.4µV (20dB SINAD) 0.3µV (12dB SINAD) |
| Adjacent Selectivity | TIA-603: 60dB @ 12.5kHz, 70dB @ 25kHz ETSI: 60dB @ 12.5kHz, 70dB @ 25kHz |
| Spurious Response Rejection | TIA-603: 70dB @ 12.5/25kHz ETSI: 70dB @ 12.5/25kHz |
| Intermodulation | TIA-603: 70dB @ 12.5/25kHz ETSI: 65dB @ 12.5/25kHz |
| Hum and Noise | 40dB @ 12.5kHz, 45dB @ 25kHz |
| Rated Audio Power Output | Internal (@ 16 ohm load): 4W External (@ 8 ohm load): 8W |
| Max. Audio Power Output | Internal (@ 16 ohm load): 6W External (@ 8 ohm load): 12W |
| Rated Audio Distortion | ≤3% |
| Audio Response | +1 to -3dB |
| Conducted Spurious Emission | <-57dBm |
Transmitter
| RF Power Output | VHF High Power: 5-50W UHF High Power: 5-45W |
| FM Modulation | 11K0F3E @ 12.5kHz 16K0F3E @ 25kHz |
| 4FSK Digital Modulation | 12.5kHz Data Only: 7K60FXD 12.5kHz Data and Voice: 7K60FXW |
| Conducted/Radiated Emission | -36dBm 1GHz |
| Modulation Limiting | ±2.5kHz @ 12.5kHz ±5.0kHz @ 25kHz |
| FM Hum and Noise | 40dB @ 12.5kHz, 45dB @ 25kHz |
| Adjacent Channel Power | 60dB @ 12.5kHz, 70dB @ 25kHz |
| Audio Response | +1 to -3dB |
| Audio Distortion | ≤3% |
| Digital Vocoder Type | AMBE++ |
| Digital Protocol | ETSI-TS102 361-1,-2,-3 |
Environment
| Operating Temperature | 22oF to +140oF (-30oC to +60oC) |
| Storage Temperature | -40oF to +185oF (-40oC to +85oC) |
| ESD | IEC 61000-4-2 (Level 4)±8kV Contact, ±15kV Air |
| Dust and Water Ingress | IP54 Standard |
| Humidity | Per MIL-STD-810 C/D/E/F/G Standard |
| Shock and Vibration | Per MIL-STD-810 C/D/E/F/G Standard |
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