中欧体育IEC-LE7300G是一款PDT数字集群对讲机，使用显示屏，双时隙、4FSK调制、数字语音压缩技术，内置超大音量喇叭，语音清晰。拥有高效频谱效率、通信距离远、抗干扰能力强、省电、模数兼容以及丰富的语音数据业务功能等特点。遵循高性价比、安全保密、大区制、可扩展和模数平滑过渡的五大原则，有效地解决了多种专业通信网融合通信的问题。
Lielong IEC-LE7300G is a PDT digital trunking walkie-talkie, using a display screen, dual time slot, 4FSK modulation, digital voice compression technology, built-in super large volume speaker, clear speech. It has the characteristics of high spectrum efficiency, long communication distance, strong anti-interference ability, power saving, analog-to-digital compatibility, and rich voice data service functions. Following the five principles of high cost performance, security and confidentiality, large regional system, scalability and smooth analog-to-digital transition, it effectively solves the problem of integrated communication of a variety of professional communication networks.
RE660/680具有高级别防尘和防水性能，可以防止尘土、灰尘等微粒的进入，可以在1.5米深的水下位置至少30分钟不受损害
The RE660/680 has a high level of dust and water resistance, which can prevent the ingress of dust, dust and other particles, and can be located underwater at a depth of 1.5 meters for at least 30 minutes without damage
采用新一代的射频技术，具有高灵敏度和高噪声控制。配合声码器的数字纠错功能，在最严苛的嘈杂环境中都能转发清晰的语音
It adopts a new generation of RF technology, with high sensitivity and high noise control. Combined with the vocoder's digital error correction function, it can relay clear speech in the harshest noisy environments
定制天线和通讯模块，使得TE560信号具有极强的穿透力，同频信号干扰时能呈现清晰语音，保证信号收发效果
The customized antenna and communication module make the TE560 signal have strong penetration, and can present clear speech when the same frequency signal interferes to ensure the signal transmission and reception effect
TE560数字常规对讲机为了满足商业用户更灵活的的通信需求，提供UHF146-174MHz，UHF400-470MHz宽频带对讲
In order to meet the more flexible communication needs of business users, TE560 digital conventional intercom provides UHF146-174MHz UHF400-470MHz broadband intercom
TE560可以提供117小时待机时间或20小时工作时间，超长续航会为您带来优秀的通讯体验
The TE560 can provide 117 hours of standby time or 20 hours of working time, and its ultra-long battery life will bring you an excellent communication experience
拥有多达200个信道容量与12个区域容量，可以满足商业用户更大更广泛的通信对讲需求，减少因为信道数太少所带来的不便
With up to 200 channel capacity and 12 zone capacity, it can meet the larger and wider communication intercom needs of business users, and reduce the inconvenience caused by too few channels
| 型号/Model | LEC-LE7300G |
|---|---|
| 频率范围/Frequency range | VHF:136-174MHz UHF:400-470MHz |
| 信道容量/Channel capacity | 256 |
| 信道间隔/Channel spacing | 25kHz/12.5kHz |
| 工作电压/Operating voltage | 7.4V（额定/rated） |
| 标配电池/Batteries are standard | 2800mAh |
| 电池平均工作时长/Average battery operating time | 约20小时/Approximately 20 hours |
| 重量/weight | 约284克/About 284 grams |
| 外形尺寸/Dimensions | 61.7*40*133.5mm |
| 频率稳定率/Frequency stabilization rate | ±1.5ppm |
| 天线阻抗/Antenna impedance | 50Ω |
| 工作温度范围/Operating temperature range | -30°C~+60°C |
| 储存温度范围/Storage temperature range | -40°C~+85°C |
| ESD(静电防护等级）/ESD (Electrostatic Protection Rating) | IEC6100(level 4）±8kV（接触放电）±15kV（空气放电） |
| 防尘防水/Dustproof and waterproof | IP68 |
| 防湿/Moisture resistant | MIE-STD-810C/D/E/F/G |
| 冲击和震动/Shocks and shocks | MIE-STD-810C/D/E/F/G |
| 输出功率/Output power | VHF高功率5W VHF低功率1W UHF高功率4W UHF低功率1W |
| FM调制方式/FM modulation mode | 11K0F3E@12.5KHz 16K0F3E@25KHz |
| 4KSK数字调制方式/4KSK digital modulation mode | 12.5KHz仅数字：7K60FXD 12.5KHz数据、语音：7K60FXW |
| 传导.辐射发射Conduction. Radiation emissions | -36DBM<1GHZ -30DBM<1GHZ |
| FM交流声与噪声/FM AC sound and noise | 40dB@ 12.5KHz 45dB@ 25KHz |
| 领道功率/Collar power | 60dB@ 12.5KHz 70dB@ 20/25KHz |
| 音频响应/Audio response | +1~-3dB |
| 音频失真/Audio distortion | ≦3% |
| 数字声码器类型/Digital vocoder type | AMBE+2™ |
| 灵敏度（模拟）/Sensitivity (analog) | 0.22V(12dBSINAD) 0.22μV(典型值)(12dBSINAD)0.4μV(20dBSINAD) |
| 灵敏度（数字）/Sensitivity (numeric) | 0.22μV/BER 5% |
| 领道选择性/Selectivity | 60dB@12.5KHz/70dB@20&25KHz60dB@12.5KHz/70dB |
| 杂散响应抑制/Spurious response suppression | 70dB@12.5/20/25KHz70dB@12.5/20/25KHz |
| 互调/Intermodulation | 70dB@12.5/20/25KHz65dB@12.5/20/25KHz |
| 交流声与噪声/AC sound and noise | 40dB@12.5KHz45dB@25KHz |
| 额度音频输出功率/Credited audio output power | 0.5W |
| 额度音频失真/Credits audio is distorted | ≦3% |
| 音频响应/Audio response | +1~-3dB |
| 传导发射杂散/Conducted emission spurious | <-57dBm |
