Mobility Sound BTD-2N4-5 User manual

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BTD-2N4-5 Dongle Specification
<Product Descriptions>
•The dongle fits for TH1n multi-pins radio.
•The dongle is compatible with many
Bluetooth headsets on the aftermarket.
•Just one-time pairing with wireless
headset/accessory
<Specification>
Type: Bluetooth Dongle for Portable Radio
Temp: -20℃±2℃~ 50℃±2℃
Approx. Weight: 30g
•Fully Qualified Bluetooth v5.0.
• Support AES-128 and ECC-256
•Echo cancellation, noise reduction, also
extended features.
•High-Quality DAC, Qualcomm CVC built-in.
•80MHz RISC MCU and 80MIPS Kalimba
DSP.
•No battery, no need charging.
•RoHS compliant.
•HSP / HFP / BLE profile support.
•PTT function: built-in.
•Talking Range: Bluetooth class 2, 10 meters.
•Display LED: Blue
•TX Current: 16 mA (Average).
•Talk time based on radio.

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Federal Communication Commission Interference Statement
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by one of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
FCC Caution: Any changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to operate this equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that
may cause undesired operation.
This equipment complies with FCC RF radiation exposure limits set forth for an
uncontrolled environment. To maintain compliance with FCC RF exposure compliance
requirements, please avoid direct contact to the transmitting antenna during transmitting.
Please keep product 20cm away from your body or bystander during the radio operation.
The typical handheld two-way radios were certified under mobile usage condition (i.e.
keep 20cm away from the user body) and use of such radio closer than 20cm may
exceed the US RF exposure limit and shall be avoided.

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BTD-XXX-5 (dongle) Uer Manual
<Procedure for Pairing Bluetooth headset device>
(Note: The Bluetooth-PTT needs to switch off before performing the following steps
if it has been connected to the dongle)
1. Switch the dongle power on while pressing and holding the PTT button at the
same time for about 3 seconds. It will enter the pairing mode for the Bluetooth
headset.
The blue LED will flash twice per second.
2. Power on the Bluetooth headset and enter the pairing mode.
(Please check the user manual of the Bluetooth headset)
Then the Bluetooth headset will be paired and connected with the dongle
automatically. And the blue LED on the dongle will flash once every 4 seconds.
<Procedure for Pairing Bluetooth-PTT device to dongle>
(Note: The Bluetooth headset needs to switch off before performing the following
steps if it has been connected to the dongle)
1. Power of Bluetooth headset first. Switch dongle power on while pressing and
holding the PTT button at the same time for about 3 seconds. It will enter the
pairing mode.
The blue LED will flash twice per second.
2. Then short press the PTT button on dongle to enter the BLE pairing mode for
the Bluetooth-PTT.
The blue LED will flash 3 times per second.
(Note: Switch off the original Bluetooth-PTT device if you are pairing with a new
one.)
3. Power on the Bluetooth-PTT, and it will be paired and connected with the dongle
automatically.
The blue LED on the dongle will flash once every 4 seconds.
Note: When you press the dongle PTT button. If the LED of dongle is not flash 3
times per second, go back to step 1. And make sure the Bluetooth headset is
power OFF.
After Bluetooth headset paired and Bluetooth PTT button paired, it’s ready to go.

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PS: Only BLE-PTT linked it will not work until BT headset linked.