For over half a century, Midland Radio has been providing radio communication
with superior Quality, Reliability, and Strong Value. With these Core Values in
mind, the Midland MB400 provides a communication solution for Manufacturing,
Retail, Hospitality, Construction, Warehousing, Maintenance, and other Business
uses.
FEATURES
• IP67 Waterproof
• 4 Watts Transmit Power
• Emergency Call
• 16 Channels
• 142 Privacy Codes
• Repeater Compatible
• VOX
• Monitor
• Scan
• Priority Scan
• Battery Save Mode
• Voice Announcements
• Adjustable Squelch
• Roger Beep
• Hi/Low Power Setting
• Busy Channel Lockout
• Time Out Timer
• Low Battery Alert
• Rapid Charger
• Accessory (Headset) Jack
• PC Programming
• Radio Cloning
• Desktop Charger
FCC NOTICE
The radio operates on UHF frequencies which require an FCC (Federal
Communications Commission) license. You must be licensed prior to operating
on these frequencies. Serious penalties could result from unlicensed use of
these frequencies, in violation of FCC rules, as stipulated in the Communications
Act’s Sections 501 and 502 (amended).
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Model MB400
You will be issued a call sign by the FCC which should be used for station identication when
operating the radio on these channels. You should also cooperate by engaging in permissible
transmissions only, avoiding channel interference with other users, and being prudent with the
length of your transmission time.
To obtain a license or ask questions about the license application, contact the FCC at
1-888-CALL FCC or go to the FCC’s website: http://www.fcc.gov and request form 601.
EXPOSURE TO RADIO FREQUENCY ENERGY
Your Midland radio is designed to comply with the following national and international standards
and guidelines regarding exposure of human beings to radio frequency electromagnetic energy:
• United States Federal Communications Commission, Code of Federal Regulations:
47 CFR part 2 sub-part J
• American National Standards Institute (ANSI)/Institute of Electrical & Electronics
Engineers (IEEE) C95.1-1992
• Institute of Electrical and Electronics Engineers (IEEE) C95.1-1999 Edition
• National Council on Radiation Protection and Measurements (NCRP) of the
United States, Report 86, 1986
• International Commission on Non-Ionizing Radiation Protection (ICNIRP) 1998
To control your exposure and ensure compliance with the general population or
uncontrolled environment exposure limits, transmit no more than 50% of the
time. The radio generates measurable RF energy exposure only when transmitting.
BODY WORN OPERATION
If you wear the radio on your body when transmitting always use Midland supplied or approved
belt clip, holster, case, or body harness for this product. Use of any accessories not supplied or
approved by Midland may exceed FCC/ Health Canada RF exposure guidelines. If you do not
use accessories supplied or approved by Midland, ensure the radio and its antenna are at
least 1 inch (2.5cm) from your body when transmitting.
IMPORTANT: Changes or modifications to this unit not expressly approved by MIDLAND
RADIO CORP. could void your right to operate this unit. Your radio is set up to transmit a
regulated signal on an assigned frequency. It is against the law to alter or adjust the settings
inside the COMMUNICATOR to exceed those limitations. Any adjustment to your radio must
be made by qualified technicians.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) this device does not cause harmful interference, and (2) this radio must accept
any interference that may cause undesired operation.
To maintain compliance with FCC’s RF exposure guidelines, for body-worn operation, this
radio has been tested and meets the FCC RF exposure guidelines when used with Midland
Radio Corp. accessories supplied or designated for this product. Use of other accessories
may not ensure compliance with FCC RF exposure guidelines.
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Model MB400
GETTING TO KNOW YOUR RADIO, QUICK START
CONTROLS
A. Antenna
Install the antenna per instructions below
before operating the radio.
B. LED Indicator
The LED is Green when receiving signals.
Red when transmitting.
Flashing red when the battery is low.
C. Speaker
D. Channel Selection
Rotate to the desired channel setting.
E. Emergency Call
Press to send an Emergency alert to
other MB400’s on the same channel
frequency.
F. Power/Volume
Turn clockwise to turn the power on
and increase the volume level.
Turn counter-clockwise to decrease the
volume level and turn the power off.
G. Microphone
H. PTT (Push To Talk)
Press and hold to transmit voice
communication.
I. Programmable Side Keys
Set function using the Programming
Software.
J. Accessory Speaker/Mic Jack
K. Rechargeable Battery Pack
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A
B
C
H
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D
F
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Model MB400
INSTALLING THE ANTENNA
Align the antenna with the threaded connector located on the top of the radio.
Holding the antenna at the base, rotate the antenna clockwise until secure.
• Be careful not to over tighten to avoid
damaging the antenna mount.
• Do not operate the radio without the antenna
installed as it may cause damage to the radio.
INSTALLING THE BATTERY
Your radio operates with a Lithium-Ion battery. Care should be
taken when installing or removing the battery as not to short circuit
the battery contacts causing damage to the battery pack.
To install the battery:
With the back of the radio facing you, match the top of the battery
pack to the corresponding groves on the radio. Push the battery into
the bottom of the radio and lock into place using the battery latch.
To remove the battery:
Release the battery latch and slide the battery down and away from the radio.
INSTALLING THE BELT CLIP
With the back of the radio facing you, align the BELT CLIP with the screw holes
on the radio. Attach the BELT CLIP with the Phillips-Head screws that came
with the belt clip.
• Be careful not to over tighten screws to avoid
damaging radio chassis.
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