DMR828 2W Digital Walkie Talkie Module UHF VHF AMBE++ NVOC

Name: DMR828 2W Digital Walkie Talkie Module UHF VHF AMBE++ NVOC
Brand: MicroHello
SKU: DMR828-2W-001
Price: 95 USD
Availability: InStock

SKU: DMR828-2W-001

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$95.00 ~~$351.00~~

DMR828 is a 2W long distance all-in-one DMR walkie talkie module. Only need external power supply and speaker, it is easy to become a professional digital walkie talkie. Simplified interface and Ultra small size make this module widely used in various app

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Description

DMR828 is a 2W long distance all-in-one DMR walkie talkie module. Only need external power supply and speaker, it is easy to become a professional digital walkie talkie. Simplified interface and Ultra small size make this module widely used in various applications and conveniently embedded into various handheld device.
Note:DMR828 has two vocoder versions:DMR828-NVOC & DMR828-AMBE.
DMR828 strictly uses lead-free process for production and testing, and meets RoHS and Reach standards.

Specification

Parameters	Test condition	Min.	Typ.	Max.	Unit.
Voltage range		3.0	4.0	5.0	V
Operating Temperature		-20	25	60	℃
Frequency range	@UHF	400		470	MHz
	@VHF	134		174	MHz
	@350	320		400	MHz
Uart baud rate			57600		bps
Current Consumption
Sleep current			75		uA
Rx current			< 135		mA
Tx current （high power）	@VCC=5.0V,2W		< 1.1		A
Tx current （high power）	@VCC=4.0V,1.5W		< 950		mA
Tx current （low power）	@VCC=4.0V,27dBm		< 500		mA
Tx power（low power）	@VCC=4.0V		1.5		W
Tx power（low power）	@VCC=4.0V		500		mW
Mic input voltage			0.1	1.6	Vpp
Sensitivity			-124		dBm
Receiving BER(DMR modulation)	@ -121dBm		1		%
Audio output amplitude			2		V
Audio Output impedance			8		KOhm

Features

UHF band frequency: 400~470 MHz
VHF band frequency: 134~174 MHz
350 band frequency: 320~400 MHz
Distance up to 5Km
Max power output to 2W, low power to 0.5W
High Sensitivity:-124dBm
Bit error rate down to 1% under -121dBm
Independent frequency for Tx and Rx
Analog Bandwidth: 12.5 / 25 KHz
Digital Bandwidth: 6.25KHz
Voice and text messages communication
Reminder for input calling, calling status checking
DMR /Analog walkie talkie
Message transmission and reception
Built-in EEPROM, data saved even powered off
1ppm TCXO crystal
51 CTCSS
166 CDCSS
9 adjustable volume
Enhanced encryption of Voice and Text message