Product Details

DMR ST-9900 dual band digital mobile radio for car radio walkie talkie

Technical Specification
Frequency range	VHF:136~174MHz245~245.9875MHz 220~260HMz
	UHF:400~490MHz
Channel capacity	200channels
Channel spacing	25KHz(wide band)20K(mid band)12.5K(narrow band)
Phase lock step	5KHz,6.25KHz,8.33KHz,10KHz,12.5KHz,15KHz,20KHz,25KHz,30KHz,50KHz
Rated voltage	13.8V DC ±15%
SQL mode	CTCSS/DCS/5-Tone/2-Tone/DTMF
Frequency stability	±2.5ppm
Working temperature	-20~+60℃
Product size	145×47×190mm
Weight	1.2KG
Transmitter(ET SI EN 300 086 Standard Testing)
	Wide band	Narrow band
Output power	60W25W10W(VHF)	45W/25W/10W(UHF)
Modulation	16KΦF3E	11KΦF3E
Adjacent channel	≥70dB	≥60dB
Hum & Noise	≥40dB	≥36dB
Parasitic and harmonic	≥60dB	≥60dB
Audio response	+1~-3dB(0.3~3KHz)	+1~-3dB(0.3~2.55KHz)
Audio Distortion	≤5%
Receiver(ETSI EN 300 086 Standard Testing)
	Wide band	Narrow band
Sensitivity	≤0.25µV(12dB SINAD)	≤0.35µV(12dB SINAD)
Adjacent Channel Selectivity	≥70dB	≥60dB
Intermodulation	≥65dB	≥60dB
Spurious Rejection	≥70dB	≥70dB
Audio Response	+1~-3dB(0.3~3KHz)	+1~-3dB(0.3~2.55KHz)
Hum & Noise	≥45dB	≥40dB
Audio distortion	≤5%


Strong advantages
1. Output power 60W
2. P1-P5 press button to programmable setting
3. COMP audio compression function
4. DTMF-ANI or 5Tone-ANI caller identification function
5. 200 programmable memory channels
6. Improve talk clearance and lower noise interference
7. Anti-interferance and encrypted conversation protection
8. High/middle/low power optional
9. Wide and narrow band are compatible
10. 50 groups CTCSS/1024 groups DCS

Company information:

Shenzhen VK-Santong Electronics Science & Technology Co., Ltd. is a leading manufacturer for walkie talkie products for more than 15 years. Our factory is always committed to provide best quality with very competitive price to our customers. By continued effort and improvement, we have established friendly business relationship with customers all over the world. Welcome your enquiries and visit to our factory!