Quanzhou Lianchang Electronic Co., Ltd. is a factory specializing in the production of Original DMR Radio GPS WIFI Walkie Talkies in China, compatible with most Bluetooth headphones available on the market. Its outstanding global positioning function fully meets the needs of aerospace enthusiasts, sailing enthusiasts, and more.
| Integral part | Receiving part | Broadband | ||
| Working frequency matching |
A B TX:136MHz-174MHz TX:136MHz-174MHz 400MHz-470MHz 400MHz-470MHz |
adjacent channel selectivity | ≤70db | ≤60db |
| step frequency | 5KHz/6.25KHz/10KHz/12KHz/25KHz/50KHz/100KHz | Intermodulation | ≤65db | ≤60db |
| number of channels | 128 | spurious response | ≤70db | ≤70db |
| Operating mode | F2D/D3E | audio response |
+1~3db (0.3~3KHz) |
+1~3db (0.3~2.55KHz) |
| Operating temperature | -20℃~50℃ | SNR | ≥45db | ≥40db |
| Antenna damping | 50Ω | audio distortion | ≤5% | |
| power requirements | 7.4VDC | audio power | ≤500mW | |
| weight | 295g | sensitivity | UHF/VHF:0.25μV(12db SINAD) | |
| Dimensions | 131*51*34(mm) | |||
| launch part | Broadband | Narrowband | Transmitting section | Broadband | Narrowband |
| Modulation | 16K F3E | 11K F3E | Maximum frequency difference | ±5KHz | ±25KHz |
| adjacent channel power | ≥70db | ≥60db | frequency stability | ±2.5ppm | |
| stray | ≤60db | ≥60db | audio distortion | ≤5% | |
| audio response |
+1~3db (0.3~3KHz) |
+1~3db (0.3~2.55KHz) |
Output Power | 5W/1W(VHF) | |
| 4W/1W(UHF) | |||||



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