Kydera DMR DM-990 Digital Walkie Talkie Free Shipping

topradio — Mon, 20 Jan 2025 07:03:18 +0000

Wholesale kydera dmr DM-990 tdma digital walki talki

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Product Details

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General Specification of dmr tdma

Function characteristics:

Ø Individual Calling
Ø Group Calling
Ø General Calling
Ø Stun
Ø Recents
Ø Contacts
Ø GPS Status(optional)

Ø SMS
Ø Remote sensing (optional)
Ø Scan
Ø Status information
Ø Activation
Ø System settings and telemetry

Technical performance:
Ø Menu Mode Ø VOX Ø Keypad Ø 107 DCS Ø 50 CTCSS Ø LCD Display Ø PC Programmable Ø Priority Scan Ø Channel Naming Ø Li-ion Battery Pack Ø Busy Channel Lockout Ø Multiple Call Tones+1750Hz	Ø Hi/Low Power Ø Time-out Timer Ø Low Battery Alert Ø PC Programmable Ø Frequency/Channel Scan Ø Battery Strength Indicator Ø Selectable Squelch Level Ø CO/TO/SE Scan Switchable Ø Programmable Greeting Message Ø Selectable Name/Frequency Display Mode

Specification
Model	DM-990	DM-990
Frequency Range(MHz)	VHF	UHF
	136-174MHz 245-260MHz	350-390MHz 420-520MHz
Channel	512
PLL Channel Spacing	12.5/25KHz
Battery Voltage	7.4V DC(Li-ion)
Antenna Impedance	50Ω
Temperature Range	-20℃~+60℃
Frequency Stability	±2.5PPM
Case Size	126×56×37mm
Weight (w/Battery)	400g
Packaging	Gift box (unit body together with the accessories)

Compatible With American Military Standard(MIL-STD-810C/D/E)

Receiver(Measurements made per TIA/EIA-603)
First IF(MHz)
Second IF(KHz)
Sensitivity(12db SINAD)	0.2(W)/0.25(N)
Squelch Selectivity	0.15(W)/0.2(N)
Adjacent Channel Selectivity	≥65dB(W)/≥60dB(N)
Intermodulation	≥65dB
Spurious Rejection	≥65dB
Image Rejection	≥65dB
FM Ham And Noise	≤45(W)≤40(N)
Modulation Type	16KOF3E/11KOF3E
Operating Bandwidth	≤±7KHz/≤±5KHz
AF Output	0.5w@4Ohms
Audio Distortion	≤3%

Transmitter(Measurements made per TIA/EIA-603)
RF Power Output	5W/4W
Modulation Type	F3E
Maximum Deviation	≤5.0(W)/≤2.5(N)
Spurious Emission	≤65dB
Modulation Distortion	≤5%
FM Noise	≤45(W)/≤40(N)

Main Features (digital mode)

individual calling	contacts	Status information
Group calling	GPS Status (optional)	activation
General calling	SMS	Syetem settings and telemetry
stun	Remote Sensing (optional)
Recents	Scan

Main Features (Analogue Mode )

Menu mode	Channel Naming	Time-out timer
Vox	Busy channel lock out	Frequency/channel scan
107 DCS	Multiple call tones+1750Hz	battery strenth indicator
50 CTCSS	FM radio	Selectable squelch level
Priority Scan	Hi/Low power	CO/TO/SE scan switchable
Programmable Greetings Message	Selectable Name/Frequency Display Mode

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Kydera LTE-880G 6000mAh 4G ptt android sim card walkie talkie

topradio — Thu, 24 Oct 2024 01:57:13 +0000

Kydera LTE-880G 6000mAh 4G ptt android sim card walkie talkie 500 miles telephone portable android

Main Features:

1. Support WCDMA/GSM/4G/Wifi.
2. Bluetooth is acceptable.
3. Support GPS.
4. The system is developed based on Android 5.1.
5. High battery capacity, about 6000mAh.
6. Unlimited talk range
7. Walkie talkie can be used without SIM card only connected Wifi.
8. Support group call/private call.

9. Support record vocie communication automatically.

10. The battery strength alert

11. The system can be installed in Android phone, using that phone to call.

12.APK customzied

13.Support Cloud platform

14.Type C charging

Technical Specification:

Dimensions	1115838mm
Weight	195g
Operating environment	-25~75℃
Working requirements	3.7~4.2V
RX Sensitivity	-107dbm
Battery power	4400mAh
Charging requirement	5V

The post Kydera LTE-880G 6000mAh 4G ptt android sim card walkie talkie appeared first on .

Kydera -

Kydera DMR DM-990 Digital Walkie Talkie Free Shipping

Wholesale kydera dmr DM-990 tdma digital walki talki

Kydera LTE-880G 6000mAh 4G ptt android sim card walkie talkie

Kydera LTE-880G 6000mAh 4G ptt android sim card walkie talkie 500 miles telephone portable android