Features of BelFone BF-TD511 Portable Radio:
· 2-Tone/5-Tone
· Integrated High Precision GPS
· IP67 for Dust & Water Protection
· Advanced Encryption with RC4 Technology
· Mandown, Lone Worker, Emergency Alarms
· DMO True 2-Slot, Allowing for 2 Talk Paths at 1 Frequency
· Transmit Interrupt/Radio Priority for Emergency or Urgent Communication
DMO Pseudo Trunk
The user can choose slot 1 or slot 2 for communications. When one slot is occupied the radio will automatically switch into the free slot. Frequency efficiency is greatly increased.
DMO True 2-Slot
In direct mode, this radio supports two voice calls simultaneously due to DMR two timeslots, which means two communication paths on 1 frequency at no extra costs or frequency license.
Digital/analog Dual Modes
BF-TD511 gives you a smooth transition from analog to digital.
Private Call, Group Call and All Call
The versatile calling functions bring more efficiency to your teamwork.
Long Battery Standard Time
BF-TD511 is a powerful radio with long battery life. (digital 22h& analog 16h)
Excellent Audio Quality
The AMBE3000 vocoder and FEC technology give BF-TD511 loud and clear digital audio.
Transmit Interrupt
This function enables a supervisor to interrupt a radio conversation in order to clear a channel for more important communications.
Remote Kill/Revive
Such functions enable you to kill or revive a radio over the air. This greatly facilitates dispatching work and can be especially useful should a radio happen to be lost. You can easily remote kill the lost radio and confidential information can be kept from leaking out.
Radio Priority-based Interruption
This function enables a radio with a higher level to interrupt communications between radios with lower levels, giving higher priority to radios with higher levels. This means better dispatching efficiency.
Automatic Roaming (Programmable)
In an IP multi-site network, this feature enables BF-TD511 to automatically roam among all sites and stay connected, delivering more flexibility and efficiency.
Frequency Range |
VHF: 136-174MHz;
UHF: 350-390 MHz/400-480 MHz/ 450-520MHz |
Channels |
1024 |
Zones |
64 |
Channel Spacing |
12.5KHz/25KHz |
Working Voltage |
DC7.4V (±20%) |
Battery Capacity |
Real 2000mAh |
Battery Average Working Time |
Digital 22 hours; Analog 16 hours |
Dimension |
57 (L)* 32 (W)* 119(H) mm |
Weight |
239g (including battery) |
Transmitter Power Output |
H: 5W; L: 1W |
Vocoder |
AMBE3000 |
Audio Distortion |
<3% (Typical) |
Receiver Digital Sensitivity |
5% BER: 0.25 uV |
Receiver Analog Sensitivity |
0.25 uV (12 dB SINAD) |
Audio Power |
1.5W |
Water Proof |
IP67 |
Shock & Vibration |
MIL-STD-810C/D/E/F Standard |


