3M MT7H7P3E4410-EU Service Manual download pdf (Page 5)

H = 115 dB(A)

M = 110 dB(A)

L = 102 dB(A)

Technical data

Frequency range: 446 MHz (PMR), 433 MHz (LPD)

Operation mode: Half duplex

Channels: Max 69

Channel raster: 6,25

Channel separation: 12,5 kHz and 25 kHz

Modulation: FM: 2,5 kHz and 5 kHz

Microphone type: Dynamic (MT7)

Receiver sensibility: Typical-122 dBm

Selective squelch: CTCSS (38 sub channels)

DCS (83 codes)

Output power: High power: 200 mW

Low power: 25 mW

(MT7H7*4310-EU: 10 mW)

Range: Up to 3 km depending on conditions

Power supply: 3,7V LiIon ACK081

Power consumption: Stand-by: <59 mA

Receiving: <70 mA

Transmitting high power: <230 mA

Transmitting low power: <160 mA

Operating time: 20 hours

Operating temperature: -20°C to +55°C

Storage temperature: -40°C to +55°C

(K:3)

5) 453 g

MT7H7B4410-EU, MT7H7B4310-EU Neckband

SNR=33 dB H=34 dB M=30 dB L=23 dB

Frequency (Hz)

63 125 250 500 1000 2000 4000 8000

Mean attenuation (dB)

20.5 18.3 24.8 32.7 36.2 35.3 39.5 39.4

Std deviation (dB)

4.0 3.0 2.8 2.8 3.6 2.5 3.5 2.7

Assumed Protection Value (dB)

16.5 15.2 22.0 29.8 32.6 32.8 36.0 36.7

Average level / electronic input signal x = 75 mV =82 dB(A)

Criterion Levels

(L)

(M)

(P:1)

The product is in conformity with the provisions set out in the following directives.

Thereby it fulls the requirements for CE marking.

• PPEdirective89/686/EEC

• R&TTE-directive1999/5/EG

• ROHS-directive2011/65/EU

The product is tested and approved in accordance with following standards:

• EN352-1:2002,EN352-3:2002,EN352-4:2002,EN352-6:2002,EN301489-1V1.8.1,EN301489-5V1.3.1,

 EN220-1V2.3.1,EN300296-2V1.2.1,EN62479:2010,EN60950-1:2006+A11:2009+A12:2011+A1:2010+AC:2011

The product has been examined by:

• CombitechAB,Änkhusgatan9,Box1017,SE-55111Jönköping,Sweden.Notiedbody#2279

• BACL,BayAreaComplianceLabsCorp(Shenzhen),6/F,the3:rdPhaseofWanLiIndBuildShiHuaRoad,

 FuTianFreeTradeZone,Guangdong,Shenzhen,China,Notiedbody#0313

(P:2)

(P:3)

RMS

Voltage mV

Mean sound

Pressure dB(A)

STD sound

Pressure dB

21,4 70,0 0,88

38,0 75,1 0,95

67,6 80,1 0,96

120,2 85,1 0,97

213,8 90,0 1,00

1 2 3 4 5 6 7 8 9 10 ... 169 170

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3M MT7H7P3E4410-EU Service Manual Page 5

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