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WALKIE-TALKIE A walkie-talkie, more formally known as a handheld transceiver , is a hand-held, portable, two-way radio transceiver.we are sell high power and FRS walkie-talkie , The Family Radio Service (FRS) is an improved walkie-talkie radio system authorized in the .......... SJ688HP Surecom SJ688HP 12w VHF/UHF Two Way Radio Walkie Talkie Brand Name:Surecom Model Number: SJ688HP Power Output: 10/5/3w (12W Max) Dimensions: 5 x 1.5 x 2.4 inches Frequency Range: 136-174/400-480MHz Storage Channel: 128 Talk Range: >10km Comunication systen: Simplex or Double Frequency Simplex Weight: 335g(including batterry) Modulation Type: FM(F3E) Frequency Deviation: 5 KHZ Spurious Emission: < -60dB TX Current: 1.5A Frequency Stability: 2.5ppm RX Sensitivity: <0.18 Audio Output: 400MW MORE INFORMATION S-UV5R Technical Parameter ● Measurement Frequency: 132-173 / 200-260 / 400-519MHz ● Display: 2.2 inch TFT (320 x240) ● RF Output: 1-1.15V (±5-10db) ● Span width: 0.54MHz /1.35MHz /2.7MHz /5.4MHz /10.8MHz /27MHz / 54MHz / 108MHz / 216MHz / 432MHz ● Port SWR: < 1.1 ● Display: 2.2inch TFT (320 x240) ● Size: 70mm x 120mm x 25mm ● Weight: 172 grams MORE INFORMATION S-8R Technical Parameter ● Measurement Frequency: 132-173 / 200-260 / 400-519MHz ● Display: 2.2 inch TFT (320 x240) ● RF Output: 1-1.15V (±5-10db) ● Span width: 0.54MHz /1.35MHz /2.7MHz /5.4MHz /10.8MHz /27MHz / 54MHz / 108MHz / 216MHz / 432MHz ● Port SWR: < 1.1 ● Display: 2.2inch TFT (320 x240) ● Size: 70mm x 120mm x 25mm ● Weight: 172 grams MORE INFORMATION SJ-409 FRS SURECOM SJ409 mini walkie-talkie specifications: Output power: 0.5 watts. Frequency range: 409MHz/ ,446MHz 462MHz Call range: over 3 km(depending on the terrain). Channel: 20 call channels. Mute code: 38CTCSS, 83DCS, 121 interference cancellation mute codes, a total of 2420 combinations Scan channel : Yes Background lighting: Yes Low battery warning: Yes Battery indicator: Yes (4 grids displayed) Lock function: Yes Weight: about 90g Size: about 50mm × 87mm × 22mm (not include antenna) MORE INFORMATION

REPEATER CONTROLLER A repeater is an automatic radio-relay station, usually located on a mountain top, tall building, or radio tower. It allows communication between two or more bases, mobile or portable stations that are unable to communicate directly with......... SR-112 Features: Connect Radio : 1pc Function : Audio Record and ECHO - 3 of message box for record - Auto Message send out at 15/30/45mins -Up to 180 seconds total recording time -DTMF remote control for all functions -19.2 KHz sample rate for excellent voice clarity -Operates from 14500 3.7V Li-ion or external 5-24 V DC supply -build-in rechargeable Lithium-ion battery support 72 hours long life operation -User to change the DTMF remote control password by radio -User set the Repeater Operates On/Off by DTMF -Audio output adjustable in hardware and by remote command -Audio in Level display -Auto Battery level display (20%~100%) -Provides audio Input level display ( for adj. best sound ) ...... Read More SR-328 Features: Connect Radio : 2pc Function : Radio A RX / Radio B TX. -Works with most popular handheld radios -Multi- LED display 2 radio status , And controller Battery Level　 -Real time duplex repeater with link radio　 -Allows user to change the DTMF remote control password by radio 　 -Operates on both build-in Li-ion battery 72 hours long life operation -External DC 5~24V power supply　 -DTMF remote control repeater function ON and OFF with password protection -Professional manufacturer low power consumption . Read More SR-628 Features: Connect Radio : 2pc Function : Radio A RX / Radio B TX. Function : Radio B RX / Radio A TX. Works with most popular handheld radios Multi- LED display 2 radio status , And controller Battery Level Real time duplex repeater with link radio Allows user to change the DTMF remote control password by radio Operates on both build-in Li-ion battery 72 hours long life operation External DC 5~24V power supply DTMF remote control repeater function ON and OFF with password protection Professional manufacturer low power consumption . Read More SR-629 Features: Connect Radio : 2pc Function :Radio A RX / Radio B TX. Function : Radio B RX / Radio A TX. Works with most popular handheld radios Multi- LED display 2 radio status , And controller Battery Level Real time duplex repeater with link radio Allows user to change the DTMF remote control password by radio Operates on both build-in Li-ion battery 72 hours long life operation External DC 5V power supply Professional manufacturer low power consumption . Two mode select . Read More Repeater Cable Major Features Connect the Repeater to Radio Fit for SR-112/SR-328/SR-628/SR-629 46-K for Kenwood 46-M for motorola 46-MT for motorola talke about 46-S2 for midland and icom 46-Y / 46-Y7 for YAESU 46-c/46-D for D.I.Y. 48-PC for PC cable 48-50-A1 48-50-K1 48-50-S1 48-80-K1 48-52-Y1 / 48-50-Y2 ...........more Read More REPEATER ITEM 快速瀏覽 SR-328 Duplex Repeater Controller 價格 $49.90 快速瀏覽 SR-628 cross band Duplex Repeater Controller 價格 $65.00 快速瀏覽 SR-629 2 in 1 Duplex Repeater Controller 價格 $39.90 快速瀏覽 SR-112 simplex repeater Controller 價格 $72.00 REPEATER CABLE 快速瀏覽 48-PC1 REPEATER CABLE FOR PC 價格 $6.00 快速瀏覽 46-EX REPEATER CABLE 2M EXTEN CABLE W/SOCKET 價格 $6.00 快速瀏覽 REPEATER CABLE FOR YAESU MOBILE FT-2800 FT-2900 TYT TH-7800 TH-9800 價格 $7.20 快速瀏覽 46-MX+44A-M328 Repeater Controller Cable with Waterproof Mini Din Plug for MOTO 價格 $16.00 快速瀏覽 Repeater Controller Cable for KT-8900D KT-7900D KT-8900RE KT-5800 價格 $8.00 快速瀏覽 46-MX-44A-PD-780 Repeater Controller Cable with Waterproof Mini Din Plug for HYT 價格 $12.00 快速瀏覽 46-D DIY Cable FOR Repeater Controller SR-112,SR-628,SR-328,SR-629 價格 $5.00 快速瀏覽 46-C DIY Repeater Controller Cable FOR Repeater SR-112,SR-628,SR-328,SR-629 價格 $6.50 快速瀏覽 46-S2 Repeater Controller Cable for ICOM and MIDLAND 價格 $6.20 快速瀏覽 48-50-A1 Fit for ANYTONE : AT-5189 AT-588 AT-778UV 價格 $7.20 快速瀏覽 48-50-C1 Repeater Cable for CIGNUS 價格 $7.20 快速瀏覽 48-50-B1 Repeater Cable for Baofeng(pofung) BF-9500 Mobile Radio 價格 $7.20 快速瀏覽 48-50-Q1 Repeater Cable for QYT WACCOM KT-UV980 KT-980PLUS USD 7.20 價格 $7.20 快速瀏覽 48-50-T1 URECOM REPEATER 48-T1 CABLE FOR TYT WACCOM MOBILE TH-9000 TH-9000D 價格 $7.20 快速瀏覽 48-50-W1 Repeater Cable for WOUXUN KG-UV920 Mobile Radio 價格 $7.20 快速瀏覽 48-50-Y2 REPEATER CABLE FOR YAESU MOBILE FT-817 FT-857 VX-2000 VX2200 價格 $7.20

SA-160 0.5-60MHz SA-160 SA-160天線分析儀設計用於測試，檢查，調整或修理天線和天線饋線。 主要是SWR（駐波比）和阻抗測量儀器（矢量阻抗分析儀）。 易於使用的測量模式。使SURECOM對專業人士和業餘愛好者俱有吸引力。這些分析儀的關鍵功能是在很寬的頻率範圍內以圖形方式顯示各種參數，這一點非常重要，它可以顯著減少調整天線所需的時間。 主要特點： ■2.2英寸精密液晶顯示屏，高流明液晶顯示屏亮度，在陽光直射下易於閱讀 ■重型鋁合金外殼，抗干擾能力強。 ■非常緊湊，方便現場使用 ■內置可充電鋰離子電池 ■全波段控制（無需選擇波段） ■易於設置，只有四個控制按鈕以及便捷的屏幕軟菜單 ■恆定電池狀態指示燈和自動關閉 ■內置定時器顯示打開設備時的經過時間 ■高效率IC，低功耗，最長工作時間 ■更多選擇測量頻率跨度。 ■一鍵全屏快速掃描模式HF1，HF2，HF3或3波段。 ■自動標記最佳swr級別參考 Manual Wholesale Quotation Shopping 規格： 型號SA-160 頻率範圍：0.5-60MHz 連接器：BNC（50 OHM） 射頻輸出功率：1-1.5V（5-10dB） 頻率步進：0.1 / 1/10/100 / 1000KHz 駐波比範圍：1.00-19.99 ZRX範圍：0-99.9 內置電池：3.7V 900mah，鋰離子14500 電壓輸入：DC5V> 500mA 頻率穩定度：<0.5PPM 跨度寬度：0.54MHz / 1.35MHz / 2.7MHz / 13.5MHz / 27MHz / 62.1 充電器指示燈：兩色LED隱藏（不充電時）有三種指示狀態： 1，充電（紅色）； 2，充電完成（綠色） 3，電池故障（閃爍） 充電器插頭：標準Micro USB連接器 尺寸：70 x 120 x 25毫米 彩色顯示：TFT LCD 320 x 240像素 重量： 172克 能源管理 電源：14500號鋰電池。 充電控制器：智能充電器，LED充電狀態指示燈 電壓監視器：屏幕DVM，加上電池狀態圖標 節電器：自動關機定時器，自動運行/停止RF發生器控制 接口 射頻連接器：BNC母頭 充電接口：Micro-USB 控制與顯示 範圍：0.27 / 0.54 / 1.35 / 2.7 / 5.4 / 13.5 / 27 / 62.1MHz LCD：2.2英寸高輸出彩色TFT 功能鍵：4個按鈕，帶有屏幕上的（軟菜單）標識符 調整：旋轉編碼器，帶有按入調整步驟選擇 重量和尺寸 案例：鋁金屬 尺寸：寬7厘米x高12厘米x高2.5厘米 重量：6.1盎司（0.172公斤） 打開和關閉電源 打開電源，點消失後按住白色按鈕 從左上角看。菜單出現在屏幕上。 關閉電源，您有兩種方法： a）在“頂部菜單”頁面上，按住白色[F1]按鈕5秒鐘。 b）在頂部菜單頁面上，旋轉編碼器“關閉電源”，按[F2 Enter] 功能選擇 您可以旋轉所需功能的旋鈕，然後按[F2.Enter]按鈕。 2.0掃描模式下的天線測試示例 在頂部菜單屏幕中：在“掃描”上旋轉編碼器，按[F2 Enter]，進入頻率模式測量按鈕，進入掃描（掃描模式）屏幕。 2.1 [掃描]模式頁面 按[F.2 scan]按鈕開始掃描操作。在掃描過程中，為了確保測量精度，每個頻率會停留一會兒。一個掃描週期大約需要1-2秒。 掃描完成後，它將進入“當前”模式（結果）屏幕 您在屏幕上有結果：僅顯示SWR曲線（因為僅默認設置SWR曲線，Zx曲線，Rs曲線禁用）您可以在屏幕上啟用其他曲線： 在“頂部菜單”頁面的“ Zx”上為旋轉編碼器，按[F2 Enter]啟用。 關機時其他方法將禁用，如果以後要啟用，將旋轉編碼器置於“保存”，按[F2 Enter]保存設置。 2.2 1.滿（默認SCAN範圍0.56MHz -59.9MHz，跨度62.1MHz） *長按[掃描]並按[F3 UPDn]選擇“ 1.Infull”，然後釋放掃描按鈕。 2.lrnMk =（學習標記移至中心頻率） *長按[掃描]並按[F3 UPDn]選擇“ 2.IrnMk”，然後釋放掃描按鈕。 2.3 [查看] 在每次掃描測量結果的特定參數時，查看曲線上的掃描頻率點。 -按下[F3.View]按鈕啟動視圖操作模式。旋轉編碼器，白色三角形曲線標記正在移動 -點標尺將顯示在屏幕上，按底部以更改點標尺，您可以選擇3種點標尺模式選項：[Dot = x1] [Dot = x10] [Dot = x25]。 （230KHz，2.3MHz，5.8MHz） SWR Full scale將顯示在屏幕上，按底部可更改SWR的圖形化圖，您可以選擇3種比例模式，[SWR = x2] [SWR = x 0.5] [SWR = x1]。（1-9,1- 19,1-4.5） 2.4 [快速1]啟動掃描模式： 快速查看每次掃描曲線上的掃描頻率點 按下[Quick 1]按鈕以啟動Quick 1操作模式。您有3種掃描模式可供選擇。 1）按[F1。掃描1]到0.5到27.3MHz即可獲得特定參數的測量結果。 2）按按鈕[F2。掃描2]可以得到16.6至43.4MHz的特定參數的測量結果。 3）按[F3。掃描3]可以在33.6至60.0MHz的特定參數下獲得測量結果。 3.0天線測試示例（單模式）： 在“頂部菜單”屏幕中：“單”上的旋轉編碼器，按“ F2”單頻模式測量按鈕，進入單（單掃描模式）屏幕。 a，旋轉編碼器電位器輸入中心頻率，具體參考以上操作“ SCAN”掃描測量模式的說明。 b，按“ F2掃描”，開始掃描一次。 單頻模式提供了單頻阻抗測量，測得的基本參數頻率已經顯示在屏幕上。和 快速指示屏幕上顯示的條形和數字的形式。 掃描一次，將停止，直到您按下F2掃描按鈕或旋轉編碼器電位計輸入中心頻率為止。 在此模式下，它可用作精確的信號發生器，請參閱RF輸出。 包裝內容： 1 x SURECOM SA160（英文版）彩色圖形天線分析儀 1 x英文用戶手冊 1 x微型USB充電器電纜 1 x AC適配器100-240V（取決於您的國家） If you have related videos, please share with us, please contact us

The SR-112 is a multi-function voice recorder device that connects to virtually any handheld, base, or mobile radio. It features exceptional voice recording quality and higher capacity than any other comparable device on the market. A simplex repeater records incoming transmissions and retransmits them on the same freq SR-112 The SR-112 is a multi-function voice recorder device that connects to virtually any handheld, base, or mobile radio. It features exceptional voice recording quality and higher capacity than any other comparable device on the market. A simplex repeater records incoming transmissions and retransmits them on the same frequency. This has the effect of doubling the time required to transmit a message, but while a traditional repeater typically costs thousands of dollars and might be semi-portable at best, a simplex repeater can be set up with a single handheld radio and operated from batteries. This makes it perfect for disaster response, home or campground use, and any place where radio range needs to be extended but the cost and complexity of a traditional repeater can’t be justified. Major Features - 3 of message box for record - Auto Message send out at 15/30/45mins -Up to 180 seconds total recording time -DTMF remote control for all functions -19.2 KHz sample rate for excellent voice clarity -Operates from 14500 3.7V Li-ion or external 5-24 V DC supply -build-in rechargeable Lithium-ion battery support 72 hours long life operation -User to change the DTMF remote control password by radio -User set the Repeater Operates On/Off by DTMF -Audio output adjustable in hardware and by remote command -Audio in Level display -Auto Battery level display (20%~100%) -Provides audio Input level display ( for adj. best sound ) -Provides signal roger beep setting -DTMF signal display -Works with most popular CB,FRS, PMR, Amateur radios, Mobile Radio (optional of Cable) -1 year warranty on complete unit, 5 years on flash memory Manual Wholesale Quotation Shopping If you have related videos, please share with us, please contact us

V.S.W.R. meter Introduction VSWR. Forward and reflected power direct digital readout, without any calibration. Maximum measurable power range up to 120W. low insertion loss (0.3 decibels or less) structure allows it to be permanently connected. Build in Frequency counter . All Funtion display ( Frequency Counter ,Powe SW-32VU 125-525MHz SW-32HF 1.8-60MHz 功能與規格 頻率範圍：1.8-60MHz / 125-525MHz 可測功率範圍：0 -100W（+-0.5％） 輸入讀取頻率計數器（必須<0.5 W） 最大功率：100W 阻抗：50Ω 尺寸：W 76 XH 77 X D35毫米。 重量：<220克 接口：NJ接口 / SO239 接口 說明書 批發 Shopping SURECOM SW-32 SWR & Power Meter Instruction 特點說明： 1.儀表顯示： 我指示以瓦特和 駐波比 比為單位的前向功率 / 反射功率 。 2.儀表調零： 表針機械調零 。 3.量程開關： 選擇 10W 和 100W 的 射頻功率範圍 。 4.藍色開關 1： 選擇功率 / 駐波比 。 5.紅色開關 2： (REF/ FWD) 的 POWER，SWR (set SWR / SWR) 。 6.SWR SET 控制旋鈕： 測量 駐波比 時設置滿量程偏轉。 7.天線連接器： 50 歐姆天 線系統的同軸電纜連接器。 8.射頻輸出連接器： 同軸連接器到 發射器 50 歐姆射頻輸出。 正向功率測量 1. 將藍色按鈕設置到“POWER”位置。設置紅色按鈕，'FWD' 位置。 2. 設置對講機發射PTT , 選擇黃色按鈕功率範圍 (10W, or 100W) ,並讀取對應刻度數據. 反射功率測量 1. 將藍色按鈕開關設置到“POWER”位置。設置紅色按鈕，'REW' 位置。 2. 設置 對講機 發射PTT , 選擇 黃色按鈕 功率 範圍 (10W, or 100W) , 並讀取 對應 刻度 數據. 駐波比測量 步驟1 1. 將藍色按鈕開關設置到“SWR set”位置。將紅色開關設置到“SET SWR”位置。 2. 將對講機設置為發射模式。 3. 順時針緩慢轉動 CAL 控制旋鈕，直到儀表指針位於“CAL”位置。這必須的。 步驟2 將紅色按鈕開關設置到“SWR”位置。對講機發射發射,時儀表並讀取對應刻度數據SWR 駐波比 。 警告 1. 由於儀表機芯非常靈敏，請避免對設備進行過度振動或機械衝擊。 2. 應施加到儀表的絕對最大功率為 100W。取消較低範圍時，還要觀察 10W 的最大功率輸入。 3. 收發器和天線與儀表的連接絕不能接反。始終遵守正確的連接方式 到發射器和天線作為標準。 4. 儀表在出廠時已經過仔細校準。篡改任何內部電路或傳感器都可能造成損壞並降低儀表的準確性。 5. 請勿將儀表暴露在溫度過高、濕度大或強磁場的環境中。 如果您有相關視頻，請與我們分享，請與我們聯繫

SJ409 SURECOM SJ409 409MHz 20 channels mini walkie-talkie specifications: Output power: 0.5 watts. Frequency range: 409.7500MHz-409.9875MHz. Call range: over 3 km(depending on the terrain). Channel: 20 call channels. Manual Wholesale Quotation Black Blue Orange Pink Silver specifications: Output power: 0.5 watts. Frequency range: 409.7500MHz-409.9875MHz. Call range: over 3 km(depending on the terrain). Channel: 20 call channels. Mute code: 38CTCSS, 83DCS, 121 interference cancellation mute codes, a total of 2420 combinations Scan channel : Yes Background lighting: Yes Low battery warning: Yes Battery indicator: Yes (4 grids displayed) Lock function: Yes Weight: about 90g Size: about 50mm × 87mm × 22mm (not include antenna) Products include: 2 x SURECOM SJ409 409MHz walkie talkie 2 x Li-ion Battery 2 x Belt clip 2 x USB charging cable 2 x USB AC Adaptor 2 x PTT Earpiece

S-8R Surecom S-8R Quad Band 5W Handheld Walkie Talkie FM Transceiver Main features: Quad frequency Fashion color screen High low Output power Easy operation English interface Manual Wholesale Quotation Shopping Package Include: 1 x Surecom S-8R Quad Band 5W Handheld Walkie Talkie FM Transceiver 1 x 2000mAh Lithium Battery 1 x Antenna 1 x Belt Clip 1 x Belt 2 x User Manual 1 x Desktop Charger 1 x AC Adapter 1 x S013F(FREE) If you have related videos, please share with us, please contact us

SS-11 The SS-11 Field Strength Meter is ideal for reading relative field strength from your antenna. It is a compact unit that fits in the palm of your hand and can be taken anywhere. The best part of using it is that you now can tell if your antenna is radiating or not by simply holding the unit near your antenna and adjusting the sensitivity. Also, by taking measurements, you can find out relatively how strong your antenna field is. Operation The SS-11 Field Strength Meter is very simple to use. It requires no power because your antenna field provides the power necessary to run the meter. Simply raise the single whip antenna on your unit, stand several feet away, and adjust the sensitivity knob on the front, it’s that easy. You want to ensure that the whip antenna is parallel with the polarity of the antenna you are reading. Now you can read the relative field strength of your antenna. Features: The appearance is simple and efficient, beautiful and generous. Frequency bandwidth, high sensitivity. 100KHz-3000MHz (with antenna ), please use different frequency antennas to test signals with different frequencies for better effect and sensitivity) Build-in Battery . The pointer amplitude can be adjusted (to protect the meter) Built-in automatic damping function, which is the buffer function, prevents the needle from swinging too fast and causing damage. Small size, easy to carry, size: 75 x 100 x 64mm (excluding the raised antenna part) Manual Wholesale Quotation Shopping Key Specifications: Test suitable antenna for walkie-talkie use Frequency bandwidth, high sensitivity. 100KHz-3000MHz Measurement Radio Field Strength The pointer amplitude can be adjusted (to protect the meter) Specifications: Model No. SS-11 Frequency Range: 100KHz -3GHz Size without Socket : 75 x 100 x 64mm Antenna (in ) Interface: SMA Female Net Weight : 240g (not include antenna) Package include 1x SS-11 Field Strength Meter 1x SMA MALE UHF Telescopic Antenna 1x English Instructions INTRODUCTION: The SS-11 Field Strength Meter is ideal for reading relative field strength from your antenna. It is a compact unit that fits in the palm of your hand and can be taken anywhere. The best part of using it is that you now can tell if your antenna is radiating or not by simply holding the unit near your antenna and adjusting the sensitivity. Also, by taking measurements, you can find out relatively how strong your antenna field is. Operation The SS-10 Field Strength Meter is very simple to use. It requires no power because your antenna field provides the power necessary to run the meter. Simply raise the single whip antenna on your unit, stand several feet away, and adjust the sensitivity knob on the front, it’s that easy. You want to ensure that the whip antenna is parallel with the polarity of the antenna you are reading. Now you can read the relative field strength of your antenna. Technical Assistance If you have any problem with this unit first check the appropriate section of this manual. If the manual does not reference your problem or your problem is not solved by reading the manual you may call SURECOM Technical Service at 852-54457217. You will be best helped if you have your unit, manual and all information on your station handy so you can answer any questions the technicians may ask. You can also send questions by mail to SURECOM.COM.HK Features: The appearance is simple and efficient, beautiful and generous. Frequency bandwidth, high sensitivity. 100KHz-3000MHz (with antenna ), please use different frequency antennas to test signals with different frequencies for better effect and sensitivity) The pointer amplitude can be adjusted (to protect the meter) Built-in automatic damping function, which is the buffer function, prevents the needle from swinging too fast and causing damage. Small size, easy to carry, size: 75 x 100 x 64mm (excluding the raised antenna part) Instructions for use: Before use, please rotate the "amplitude adjustment" to the left most end. The length of the antenna to be pulled depends on the frequency of the test. It is better to have 1/4 wave as much as possible. The handheld walkie-talkie is about one meter away from the field strength meter. Don't be too close! In order to avoid the signal is too strong to burn the field strength meter! Then press the walkie-talkie PTT button to make the walkie-talkie enter the launch state. At this time, the pointer of the field strength meter should have a signal indication. The stronger the signal, the greater the indication! Amplitude adjustment: If the field strength indicator indicates that the maximum range is exceeded, the "amplitude adjustment" can be adjusted to let the pointer indicate the appropriate position. Method for testing the maximum gain point of an antenna 1. In order to change the frequency conveniently and quickly, you should use the keyboard to set the frequency walkie-talkie manually. 2. Link the walkie-talkie and antenna feeders, place the field strength meter near the antenna (depending on the environment), place it within the vertical radiation angle of the antenna as much as possible, and the antenna planning method is best. 3. Set the frequency of the walkie-talkie, press the launch button, observe the meter reading, and register the meter reading. Then set the walkie-talkie to other frequency points, let the walkie-talkie enter the launch state again, observe the meter reading and then compare the readings of each frequency point! You can know the best frequency/segment of the antenna under test! A typical field-strength meter is shown in Figure 1. This is a simple passive (unpowered) circuit in which radio frequency energy is intercepted by the antenna, rectified to DC, and then used to directly drive the meter. The maximum sensitivity of this circuit is based primarily on several factors: The gain of the antenna: How much of the signal is actually intercepted. The sensitivity of the meter movement being used. The nature of the diodes being used. If you have related videos, please share with us, please contact us

SW-102D V/U 125-525MHz 介紹 VSWR 正向和反射功率直接數字讀數，無需任何校準。 最大可測量功率範圍高達120W。 低插入損耗（0.3 db 或更小）的結構使其可以永久連接。 內置頻率計數器 。 所有功能顯示（頻率計數器，電源，SWR，FW，RW，電池電量） *適用於數字DMR。 功能與規格 頻率範圍：125-525MHz 可測功率範圍：0.5-120W（+-0.5％） 輸入讀取頻率計數器（必須<0.5 W） 最大功率：120W 阻抗：50Ω 尺寸：W 76 XH 77 X D35毫米。 重量：<220克 電池：3.7V 鋰離子充電電池 接口：NJ接口 / SO239 接口 說明書 批發 Shopping 接口：NJ接口/ SO239 最大限度。功率：120 W（可測量功率，對講機必須為模擬） 電壓駐波比1.00：1〜19.9：1 頻率範圍：125MHz〜525MHz 插入損耗<0.15dB（VHF），<0.25dB（UHF） 溫度0℃〜60℃ 頻率計數器：是（TX輸入必須至少為0.5W ） 電池顯示：是 內置電池3.7V：鋰離子電池 自動關閉電源：1-9分鐘 尺寸：66 * 68 * 37（mm） 5V充電器（微型USB） 背光自動關閉 接口（進出）N（SL16）/ SO239 重量：220g（含電池） 電源開/關： 按下[紅色按鈕] 2秒鐘打開或關閉電源 MENU顯示 模式編號項目調整 默認設置 內容 1.調整前向功率-99至+99微調水平 ％ 2.調整反向功率-99至+99微調等級 ％ 3.調整時基-99至+99頻率計數器，OSC時基 4. LCD DIM（背光時間）0-9，始終在1分鐘到9分鐘的時間裡顯示“ 0” 5.電源關閉0-9 1到9分鐘始終為“ 0” *供應商，該產品將添加功能而無需另行通知 設置並保存 按下MENU [藍色按鈕] 按F1 [紅色按鈕）（選擇1-5功能） 按下[藍色按鈕]（-），[黃色按鈕]（+） 按下[紅色按鈕] 2秒鐘 按[藍色按鈕]保存並退出 如何檢查天線的駐波比： 對講機輸出連接至``TX''，並將天線連接至``ANT''。如果您的設備具有不同類型的連接器，則需要正確的適配器/電纜。 測量電壓駐波比：（參見圖1） SW-102 TX連接無線電射頻輸出 帶有顯示SWR測量數據的對講機 TX輸出 SW-102。 在以下情況下，不要影響測試，附近有物體，水平放置。 如何檢查收發器的輸出功率： 連接到無線對講機輸出上的“ TX”，並將虛擬負載加載到“ ANT”。如果您的設備具有不同類型的連接器，則需要正確的適配器/電纜。 測量功率：（參見圖2） SW-102 TX連接對講機射頻輸出 SW-102 ANT連接50歐姆虛擬負載 按下電台TX，SW-102顯示為功率測量數據。 （SW-102適用於DMR系統） 如何顯示旋轉： 按黃色鍵將顯示旋轉180度， 按黃色鍵正常。 包裝內容 1x 個SURECOM SW-102-UV功率和駐波計（N-連接器） 1x 個電源PSU 100-240V 1x 充電器線 1x 英文用戶手冊 ​ MODEL FREQ. RANGE CONNECTOR FREQUENCY COUNTER DMR SW-102HF 1.5MHz -70MHz SO239(SL16) NO NO SW-102-UV 125MHz -525MHz SO239(SL16) /N YES NO SW-102D-UV 125MHz-525MHz SO239(SL16) / N YES YES N - CONNECTOR SO239 (SL-16)- CONNECTOR 如果您有相關視頻，請與我們分享，請與我們聯繫

篩選方式 類別 所有 Adaptor ANTENNA ANALYZER ATTENUATOR ANTENNA ACCESSORY 3/8 CB Antenna Parts DUMMY LOAD REPEATER ITEM FREQUENCY COUNTTER REPEATER CABLE SWR METER SS METER Walkie Talkie ZELLO ITEM 價格 $2.50 $195.00 Add Cable K plug M plug MT plug No Cable S plug Y plug Y7 plug Attenuation -10db -15db -1db -20db -2db -30db -3db -40db -5db -6db CONNETOR TYPE N TYPE SO239/SL16 Cable Length 150CM 46-K-1M5 50CM 46-K Cable length: 100cm 50cm Type of plug N Male N-Male PL259 Version android android +IOS WithCable x2 46-K 46-M 46-MT 46-S 46-Y whitout cable 排序方式 快速瀏覽 Baofeng BF-A58 UV-9R UV9RPLUS Baofeng headphone converter adapter adapter k 價格 $10.50 新增到購物車中 NEW 快速瀏覽 SW-102HF 1.5-70MHz SO239 connector V.S.W.R. POWER METER 一般價格 $75.00 銷售價格 $65.00 新增到購物車中 快速瀏覽 SW-102 125-525MHz connector V.S.W.R. POWER METER 價格 $55.00 CONNETOR 新增到購物車中 快速瀏覽 SW-33 mark II VHF/UHF 100W POWER & S.W.R. METER 價格 $34.50 新增到購物車中 快速瀏覽 SW-33PLUS VHF/UHF 100W POWER & S.W.R. METER 價格 $38.00 新增到購物車中 快速瀏覽 SURECOM SF-20 20W POWER METER and Frequency counter 價格 $38.50 新增到購物車中 快速瀏覽 SF-103 Portable Frequency Counter 2MHz - 2.8GHz 價格 $55.00 新增到購物車中 快速瀏覽 Frequency Counter SF-401 PLUS SURECOM Portable CTCSS/DCS Decoder 價格 $42.50 新增到購物車中 快速瀏覽 SS11 Field Strength Power Test Meter Portable Field Strength 價格 $39.00 新增到購物車中 快速瀏覽 SS10 Field Strength Power Test Meter Portable Field Strength Display 100K-3GHz 價格 $29.00 新增到購物車中 快速瀏覽 Antenna Analyzer SA250 132-173 200-260 400-519MHz 價格 $175.00 新增到購物車中 快速瀏覽 SURECOM ANTENNA ANALYZER SA-160 0.5-60MHz Colour Graphic 價格 $195.00 新增到購物車中 載入更多 相關產品 快速瀏覽 Baofeng BF-A58 UV-9R UV9RPLUS Baofeng headphone converter adapter adapter k 價格 $10.50 快速瀏覽 Waterproof Bluetooth Speaker Microphone PTT ZELLO FOR Android 價格 $74.00 快速瀏覽 SE01 Wire Software APP Based PTT Earpiece for Zello 價格 $25.00 快速瀏覽 Bluetooth Speaker Microphone FOR Android Inrico T320 T298S Zello 價格 $48.00 快速瀏覽 Baofeng BF-A58 UV-9R UV9RPLUS Baofeng headphone converter adapter adapter k 價格 $10.50 快速瀏覽 Waterproof Bluetooth Speaker Microphone PTT ZELLO FOR Android 價格 $74.00 快速瀏覽 SE01 Wire Software APP Based PTT Earpiece for Zello 價格 $25.00 快速瀏覽 Bluetooth Speaker Microphone FOR Android Inrico T320 T298S Zello 價格 $48.00 快速瀏覽 Baofeng BF-A58 UV-9R UV9RPLUS Baofeng headphone converter adapter adapter k 價格 $10.50 NEW 快速瀏覽 SW-102HF 1.5-70MHz SO239 connector V.S.W.R. POWER METER 一般價格 $75.00 銷售價格 $65.00 快速瀏覽 SW-102 125-525MHz connector V.S.W.R. POWER METER 價格 $55.00 快速瀏覽 SW-33 mark II VHF/UHF 100W POWER & S.W.R. METER 價格 $34.50 快速瀏覽 SW-33PLUS VHF/UHF 100W POWER & S.W.R. METER 價格 $38.00 快速瀏覽 SURECOM SF-20 20W POWER METER and Frequency counter 價格 $38.50 快速瀏覽 SF-103 Portable Frequency Counter 2MHz - 2.8GHz 價格 $55.00 快速瀏覽 Frequency Counter SF-401 PLUS SURECOM Portable CTCSS/DCS Decoder 價格 $42.50 快速瀏覽 SS11 Field Strength Power Test Meter Portable Field Strength 價格 $39.00 快速瀏覽 SS10 Field Strength Power Test Meter Portable Field Strength Display 100K-3GHz 價格 $29.00 快速瀏覽 Antenna Analyzer SA250 132-173 200-260 400-519MHz 價格 $175.00 快速瀏覽 SURECOM ANTENNA ANALYZER SA-160 0.5-60MHz Colour Graphic 價格 $195.00 快速瀏覽 SR-328 Duplex Repeater Controller 價格 $49.90 快速瀏覽 SR-628 cross band Duplex Repeater Controller 價格 $65.00 快速瀏覽 SR-112 simplex repeater Controller 價格 $72.00 快速瀏覽 SR-629 2 in 1 Duplex Repeater Controller 價格 $39.90 快速瀏覽 SURECOM SW-114 27-30MHz HF SWR/RF/Field Strength Test Meter 價格 $28.50 快速瀏覽 SURECOM SW-111 100 Watt SWR / POWER Meter 價格 $30.00 快速瀏覽 46-MX-44A-PD-780 Repeater Controller Cable with Waterproof Mini Din Plug for HYT 價格 $12.00 快速瀏覽 Surecom SJ688HP 12w VHF/UHF Two Way Radio Walkie Talkie 價格 $65.00 載入更多