External VHF Flower Pot Antenna 136–174 MHz for Motorola Two-Way Radios (BNC + R7A)
Enhance radio communication in field and urban conditions!
The flexible Flower Pot antenna provides excellent reception and transmission parameters in the VHF band (136–174 MHz).
Compatibility
BNC connector + R7A adapter for Motorola two-way radios:
• Motorola R7 / R7A
• DM4400 / DM4401
• DM4600 / DM4601
• DM4800 / DM4801
• and other models with a similar connector
Specifications
Parameter Value
Type External antenna
Frequency range 136–174 MHz
Standard VHF
Communication range up to 10–12 km (depends on terrain)
Design Flower Pot
Connector BNC + R7A adapter
Cable included 20 m
Frequency adjustment Possible correction by turns at the end
Flexible adjustment to your frequency
The antenna is assembled and initially tuned to ≈155 MHz (145–165 MHz at SWR ≤ 2).
• Bend the end by ~3 cm → frequency ↑ by ~5 MHz
• Unbend the turns → frequency ↓
This allows optimizing operation for a specific channel and achieving maximum communication range.
Advantages
High efficiency and stable operation
Flexible and easy to transport
Can be hung at height — trees, buildings, towers
Included in the set:
• Flower Pot Antenna
• Coaxial cable 20 m
• R7A adapter
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