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Product Description
BF-S51 is a professional FM two-way radio with a comprehensive analog feature set, such as BCL, VOX, TOT, CTCSS/CDCSS, etc. It covers your conventional communication needs. Also, our BF-S51 is a tough radio that can easily withstand a two-meter drop, making it an ideal choice for outdoor activities.
VOX
When used with a paired earpiece, BF-S51 enables the user to activate transmissions via voice without having to push the PTT button. Your hands won't be tied to your radio.
Low Battery Alert
When the battery gets too low, the LED light on the top of the radio will flash red and the user should start recharging his radio.
Monitor
When the signal is weak, the user can activate this feature which will enable BF-S51 to pick to the weakest signals on the current channel.
Scan
When the user activates this feature, BF-S51 will scan all the pre-defined channels on the radio and the user can easily access any communication activities on any channel.
TOT
By limiting each transmission time, Time-out Timer prevents channels from being unnecessarily occupied by mis-operation and thus improves channel efficiency.
CTCSS/CDCSS and STE
This can effectively prevent interferences from other conversations at the same frequency. It helps to filter out unwanted signals.
Product Parameters
| General |
| Frequency Range |
VHF: 136-174MHz / UHF: 400-470MHz |
| Channel Capacity |
16 |
| Channel Spacing |
25KHz/12.5KHz |
| Operating Voltage |
7.5V DC (±20%) |
| Battery Capacity |
1800mAh(Li-ion) |
| Frequency Stability |
±2.5ppm |
| Antenna Impedance |
50 Ω |
| Operating Temperature |
-20ºC 10to +60ºC |
| Weight |
253g(including battery pack) |
| Dimensions |
60(L)x36(W)x109(H)mm |
| Transmitter |
| Power Output |
H: 5W L:1W |
| Modulation |
16KΦF3E(W)/8KΦF3E(N) |
| Noise and Harmonic |
≤-36dBm |
| FM Noise |
-40 dB |
| Audio Distortion |
≤ 5% |
| Adjacent Channel Power |
≥ 65 dB(wide)/60 dB(narrow) |
| Modulation Limitation |
≤ 5KHz(wide)/2.5KHz(narrow) |
| Receiver |
| Sensitivity |
≤ 0.2uV(Wide)/ 0.25uV(Narrow) |
| Adjacent Channel Selectivity |
≥ 60dB(width)/ 55dB(narrow) |
| Intermodulation |
≥ 60dB (width)/ 55dB(narrow) |
| Spurious Suppression |
≥ 60dB(width)/ 55dB(narrow) |
| SNR |
≥ 45dB(Wide)/ 40dB(Narrow) |
| Rated Audio Output Power |
0.5 W |
| Rated Audio Distortion |
≤ 5% |
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About Us
Communications for Efficiency and Safety
Founded in 1989, BelFone has been pioneering the development of professional digital trunking and broad & narrow band convergent communications technologies. We provide a full range of radio solutions from analog radios, PoC radios, entry-level DMR radios, repeaters, and accessories, to DMR Tier III trunked systems. Thousands of customers worldwide benefit from our products and services.
Why Choose Us
VR Showroom
https://world-port.made-in-china.com/viewVR?comId=xqoQCPFdEfHM
Exhibition
After-sales Service
Warranty
Provides a 24-month warranty service for system products delivered by BelFone
Technical Support
We provide support services such as configuration, programming, etc. online (email, live chat, remote, etc.) or on-site
Repair
BelFone provides industry-standard repair service for your products. For channel partners, BelFone encourages local services and will prepare training and documents for better services to customers.
After-sales Service
Partner Program
We seek agents, integrators or distributors of BelFone radios worldwide. If you are willing to cooperate with BelFone Communications, please feel free to contact us.
OEM/ODM
With an internationalized manufacturing base covering an area of 23,000m2, more than 600 employees and 5 professional R&D centers, BelFone will be the best qualified solution provider for your radio communication needs.
FAQ
1. Q: Are you a manufacturer?
A: Founded in 1989, owning a 23,000 square meters manufacturing base, more than 200 R&D engineers and 300 manufacturing workers, we are among the top manufacturers and designers in China mainland for two-way radios and systems.
2. Q: What is MOQ (Minimum order quantity)
A: 2 pcs for sample test first is recommended. The price policy sets MOQ for bulk order based on cooperation relationship with us as a distributor, dealer or premium dealer, or OEM cooperation. Please contact us for details.
3. Q: Do you accept customized?
A: Rebranding is acceptable and OEM&ODM is welcomed.
4. Q: Could you offer free sample to test?
A: Sample will be charged firstly, but will be refunded to you when you put bulk order on us.
5. Q: What is your lead-time for order?
A: 1-2 days for sample, 3-30days for bulk order, depends on the quantity for new inquiries. We do forecast for long-term business relationship partners.
6. Q: When can I find tracking information of sample?
A: We will send you the tracking number of sample within 2 days after delivery.
7. Q: How do you ensure your quality?
A: The product is designed and produced with good material in the industry. The company is ISO 9000:2008 certified and we make 100% OQC before delivery. Both above reasons ensure low defective rate for our products. We set warranty policy for products and accessories. Please contact us immediately if some unpredictable defectives happen. Thanks
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