a-504 Ham Two Way Radio with 128 Channels and Encryption Walkie Talkie

• Customization: Available
• Battery Type: Lithium-ion
• Certification: None
• Model NO.: A-504
• Channels: 128 channels
• Communication Distance: 1-5km
• Display Type: Without Display
• Encryption: DSP
• Features: Encrypted Communication
• IP Rating: None
• Channel Spacing: 25kHz/12.5kHz
• Frequency Range: 400-520MHz
• Dimension(mm): 119*60*40mm(Without Antenna)
• Weight: 265g
• Battery Capacity: Li-ion 2000mAh
• Earphone-Port Type: K-Plus
• Program-Port Type: K-Plus
• Charge Type: Seat-Chager
• Standby Time: 8days
• Walkie Talkie Type: Analog
• Working Voltage: 7.4V
• Output Power: 5W/1W
• Frequency Modulation: FM
• Transport Package: Standard Packaging or Customized
• Specification: Standard specifications or customized
• Trademark: Gohall
• Origin: Xiamen, China
• HS Code: 8517122000
• Production Capacity: 5000000pieces/Year
• Package Size: 17.50cm * 17.00cm * 6.50cm
• Package Gross Weight: 0.600kg

Product Description

Product Description

DIGITAL TWO WAY RADIO

Step into the future of communication with our cutting-edge Analog two-way radio. Utilizing state-of-the-art digital technology, it ensures crystal-clear and highly reliable voice and data transmission. Explore our top-tier collection at Guanhe Communication, where we offer premium digital two-way radios crafted to deliver exceptional audio quality, extended battery life, and robust encryption for secure and confidential communication. Perfectly designed for an array of applications-from bustling construction sites and dynamic manufacturing environments to critical public safety operations-our radios come in various frequency bands, power levels, and antenna types to meet your exact specifications and operational demands.

Note:
At Glohe Communication Technology (Xiamen) Co., Ltd., we strive diligently to guide you in selecting the ideal two-way radios-whether it's an FM Transceiver, a walkie-talkie, or other communication devices.
We are delighted to receive your inquiries and are eager to assist you.
We are thrilled at your interest in ordering our samples for testing, ensuring you experience our exceptional quality firsthand.
We are actively seeking partnerships with two-way radio dealers and distributors to expand our network and deliver excellence worldwide.
Rest assured, we are committed to introducing you to precisely the right two-way radio, FM Transceiver, or walkie-talkie to suit your needs.

Product Parameters

Specification
Receiver
Frequency Stability	+/-2.5ppm		Rated Audio Power		500mW
Reference Sensitivity	Better than-119dBm		SNR		≥40dB
			Audio Distortion		≤5%
Adjacent Channel Selectivity(ACS)	≥65dB		Co-channel Rejection		≥-8 dB
Audio Response	≤+2dB & ≥-10dB		Inter-modulation		≥50 dB
Transmitter
Transmitting Power	5W/1W		Frequency Stability		+/-2.5ppm
Transmitting SNR	≥40dB		Maximum Frequency Offset		≤5KHz
Emit Spurious Radiation	≤7.5uW		Modulation Characteristic		+1dB/-3dB
Adjacent Channel Power	≤-65dB		Modulation Distortion		≤5%
The Standard Of Packing	1 radio with standard accessories in a box,50 boxes in a carton Standard accessories:  Radio:1pc  Charger:1pc  Battery:Li-ion 2000mAh 1pc  Belt clip:1pc  Manual:1pc Lanyard:1pc
Feature	Power Beep 16 Channels Power Saving V0X  Scan Low Voltage Alert Launch Time Limit Squelch Level Setting Scrambler Compandor Frequency-hopping(Double Encryption Against Cracking) Non-standard QT/DQT SK1/SK2 Customization (Listen/Voice/Channel Broadcast) QT/DQT TOT Code Switch
We support customized intercoms of various types and performances on demand.

Detailed Photos

PROFESSIONAL-GRADE TRANSMITTER POWER:

Engineered for excellence, these two-way radios boast an array of channels and privacy codes, ensuring seamless communication across diverse environments. Designed with the utmost durability, they cater to professional users who demand more than just basic functionality. Beyond conventional features, these radios integrate cutting-edge advancements such as GPS positioning, enhancing the user experience. Some models even offer Bluetooth connectivity, enabling hands-free communication for safer operation while driving or working. Compliant with stringent legal standards, these radios guarantee interference-free performance, making them the quintessential choice for professionals who require reliable, long-distance radio communication that exceeds the reach of standard handheld models.

LONG RANGE ANTENNA:

The long-range antenna is the cornerstone of any two-way radio's extended reach, amplifying both transmission and reception capabilities. By emitting robust signals and capturing even the faintest transmissions from afar, it significantly extends the operational range. While the antenna's quality and length are crucial, environmental factors such as terrain can influence performance. Under optimal conditions, a radio with a two-kilometer radius can achieve its full potential. However, obstructions like trees, mountains, or urban structures may impede signal travel, reducing effective range.

POWER OUTPUT:

For radios designed to conquer long-distance communication, power output is a critical factor. Models with lower power output (0.5W to 5W) are ideal for short-range interactions, whereas those exceeding 5W cover broader expanses. The landscape plays an influential role; flat and obstacle-free terrains support greater distances compared to hilly or densely forested areas. Additionally, elements like antenna quality, atmospheric conditions, and electronic interference can affect signal propagation. The art of achieving desired communication range lies in balancing power output with these variables.

LONG BATTERY LIFE:

Achieving exceptional battery life demands a multifaceted design approach. While energy-efficient components are crucial, employing high-capacity batteries is essential to prolong operation between charges. Furthermore, an optimized antenna can enhance signal transmission, reducing the need for persistent high-power operation. In half-duplex systems, where the radio alternates between transmitting and receiving, power consumption is reduced in comparison to full-duplex systems, which are more power-intensive.

PROFESSIONAL COMMUNICATION:
Two-way radios are indispensable tools for professionals in industries like construction, security, event management, and public safety. These sectors depend on instant communication to efficiently coordinate tasks, manage on-site activities, and respond promptly to emergencies, ensuring operational success and safety.

EMERGENCY SERVICES:
Essential in the realm of emergency services, two-way radios are lifelines for officers, firefighters, paramedics, and other first responders. They facilitate uninterrupted communication, ensuring seamless coordination during critical situations and enabling the rapid dissemination of vital information in real-time.

 

 

 

 

 

FAQ

Q1: What is MQQ(Minimum order quantity)?
A: we recommend you order 2pcs for a sample test that would be better

Q2: Do you accept customized?
A: Yes, we can design the packing box and LOGO mark as your request, OEM&ODM is welcomed.

Q3: Could you offer a free sample to test?
A: In general, customers need to pay the sample fee first, but when your order reaches the required amount, we refund the sample cost for you.

Q4: When can you ship the items?
A: 1-2 days for sample, 3-30 days for bulk order, depending on the quantity.

Q5: When can l find tracking information on the internet?
A: Usually, we will give you the tracking number and you can find the information internet in 2 days.

Q6. How do you ensure your quality?
A: Before delivery, we will check the items' quality strictly one by one, life-warranty for radio host & accessories, but we could not ensure some unpredictable reason occurred. please contact us immediately when you get defective, thanks.