Thursday, February 16

Great Special 2pcs/lot Embedded long range 7Km - 10Km high power 4W output UHF talkie walkie module kit SA858

Great Special 2pcs/lot Embedded long range 7Km - 10Km high power 4W output UHF talkie walkie module kit SA858 Rating: 4.6 out of 5

Walkie Talkie Best Sale Choice provide radio scanner,intercom,amateur radio Great Special 2pcs/lot Embedded long range 7Km - 10Km high power 4W output UHF talkie walkie module kit SA858. Get Discount Now! Only US $100.80/lot at this time. Hurry buy Now before back to normal price! Normal price US $120.00 or you can Check price now. Dont waste your time. Buy Now only in NiceRF Wireless Manufacturer Trusted Seller Store!
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2pcs/lot Embedded long range 7Km - 10Km high power 4W output UHF talkie walkie modules kit SA858SA858 is a professional 4W / UHF band walkie talkie module. Strong RF circuit, DSP, digitalinterface, and audio amplifier is built in. Besides Uart command, user can use our provided PCsoftware to configure all the parameters. The parameters includes: Tx frequency, Rx-frequency, TxCTCSS /CDCSS, Rx CTCSS/CDCSS , digital volume and SQ. To avoid the heating for this highpower walkie talkie, we have done special handling on the software with a strong heat sink added,which makes it has no problem for long time continuous working.When SA858 is connected with SA858-PJ, it is easy to organize a professional all in one walkietalkie system, the system include 16 predefined frequency channels, adjustable volume, configurableCTCSS/CDCSS. User need only to connect with power supply and speaker.Simplified interface and ultra small size make SA858 widely used in various applications andconveniently embedded into various handheld devices. Product Picture:

Features:
  • Full band 400~480 MHz
  • Tx and Rx frequency can be set alone
  • Band width 12.5/25KHz
  • Output power up to 4W
  • Distance up to 7 to 10 km in Open area
  • High sensitivity: -124dBm
  • High integrated and small size
  • 38 CTCSS
  • 166 CDCSS
  • (can be set by PC software and serial port)
  • 8 adjustable digital volume
  • Analog volume adjustable limitless
  • High / low output power selection (1W-4W)
  • Wide range of working voltage 3.3-9V
  • Embedded EEPROM, data saved even power off
  • 1ppm TCXO, stable performance
Application:
  • Small professional walkie talkie
  • Invisible intercom system
  • Building community security system
  • Sport products
  • Handheld / Pocketable device
  • Audio surveillance system

Specification:

Power consumption
Sleeping Current -- -- ≤3 uA
RX current -- -- 60 mA
TX current (high output power) @ 8v, 424.75MHz 1400 1500 mA
TX current (low output power) 850 900 mA
TX current (high output power) @ 4V, 424.75MHz 1100 1150 mA
TX current (low output power) 650 700 mA
TX frequency parameter
Operating frequency range 400 450 480 MHz
TX current (high output power) @ VCC=4.0V 30 31 32 dBm
TX current (low output power) 26 27 28 dBm
TX current (high output power) @ VCC=8.0V 35 36 36.5 dBm
TX current (low output power) 30.5 31.5 32 dBm
Modulation frequency @ 1.5Khz/2.5KHZ frequency deviation 10 mV
Audio modulation distortion @ 1.5Khz/2.5KHZ Frequency deviation -- 2 5 %
Signal to Noise Ratio @ 1.5Khz/2.5KHZ frequency deviation 38 40 45 dBm
Adjacent Channel Ratio @ 12.5K offset -- -60dBc dBm
CTCSS Modulation frequency 0.35 0.5 0.75 KHz
RX frequency parameter
RX sensitivity 13dB output audio SNR -- -124 -- dBm
RX SNR @ 1.5 KHZ Frequency deviation 45 50 -- dB
Audio output power -- -- 2 -- W
Audio output impedance -- -- 8 -- OHm
Block diagram: Application circuit:

Parameter setting:

Accessories:

1)Antenna:

Antenna is an important part in communication system. Its performance will influence the whole communication system. This module requires antennas impedance in 50oHm.

2)Accessory board:

To make it convenient to use, we have an accessory board SA858-PJ which can be used with SA858 walkie talkie module,the small board extend the pins of the module by the special FPC.

3)Heat sink:

This walkie talkie module is a high power wireless device,it will has bigger current during transmitting,so we have equipped module with a specialized heat sink.

Pin out definition:

  • 2pcs * UHF walkie talkie modules with heat sink SA858
  • 2pcs * Heat Sinks
  • 2pcs * Accessory boards
  • 2pcs * 409MHz rod antennas
  • 2pcs * Speakers
  • 2pcs * Connecting wires
  • 1pc * USB bridge board

If you need SA858B(without heat sink), just leave message please!

Shipment: Free shipping by China post airmail

Return Policy

If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.

Seller Service

On-time Delivery: If you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).
Great Special 2pcs/lot Embedded long range 7Km - 10Km high power 4W output UHF talkie walkie module kit SA858
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