MD622A Commercial Analog Mobile Radio

Description

Radio Features
• Size: 164 x 43 x 150 mm
• Weight:1100g
• VHF 136-174MHz
• 512 Channel capacity, 6 Zone capacity
• LCD display 1.5 inch, 2 rows
• IP54 and MIL-STD-810 C/D/E/F/G Compliant
• HDC1200 signaling
• Emergency calling
• Rated Audio Power Output – Internal: 4W /External:8W
• Channel Scan
• 2 Year Standard Warranty (Radio only)

136-174MHz Power 5-50 Watts, DMR Tier II & Analog conventional modes

INCREASED COVERAGE RANGE

With a high RF power output up to SOW, MD622A can dramatically enlarge your communication range.

HIGH CAPACITY CHANNELS

Support up to 512 analog channels to manage your daily work.

EMERGENCY ALARMS

Emergency Alarms can be sent to other radios via the one touch emergency button. mproves worker safety and emergency

ANALOG SIGNALING

Support DTMF and HDC1200 signaling in analog mode.

EMERGENCY ALARM/CALL

Use the orange emergency button to initiate an emergency
alarm and call to other radios.

BUILT-IN BLUETOOTH (Factory Optional)

Built-in Bluetooth supports MD622A to have wireless audio accessories and external PTT device connected.

Technical Specifications

General

Frequency Range	VHF: 136-174 MHz
Channel Capacity	512 Channels
Zone Capacity	6 Zones
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

Analog Sensitivity	0.3μV ( 12dB SINAD); 0.22μV (Typical) ( 12dB SINAD); 0.4μV ( 20dB 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