Oge ahaziri KingtoneVHFNhọrọ ọwaBi-directional Amplifier (BDA)bụ ọnụ ahịa dị irè na ngwọta a pụrụ ịdabere na ya iji gbasaa ma melite mpaghara mkpuchi nkeVHFusoro nkwukọrịta intercom.Channel Selective BDAs na-enye onye ọrụ ohere ịbawanye naanị ndị na-ebu ebu n'akụkụ abụọ, mgbago elu na downlink.Nhọrọ ọwa bụ mmemme na mpaghara site na RS 232 ma ọ bụ nke dịpụrụ adịpụ site na Modem ma ọ bụ RJ45.
NKWUO
Rịba ama 1: Ike mmepụta sistemụ bụ ọrụ nke ọnụọgụ ndị na-ebu ihe mere na sistemụ ahụ, ọkwa mgbaàmà nke ndị a na-ebu s gaa na
Sistemụ nkwalite mgbaama, uru nke PA, na ntinye nke nzacha n'ime sistemụ bidirectional.
Rịba ama 2: Ọgụgụ mkpọtụ Sistemu bụ nchikota amplifier NF yana nzacha nzacha tupu ihe nrịbawanye.Nzacha na-atụfu a re dabere na
obosara passband maka ugboro elu njikọ, obosara passband maka frequencies downlink, na eriri nkwụsị n'etiti ha.
Ọnụnọ nke VHF Repeater BDA na-enye usoro nkwurịta okwu intercom na ọnụ ọgụgụ dị elu nke ọwa, ebe ọ bụ na mkpuchi na-agbatị karịa mkpuchi saịtị.Ngwa a na-ahụkarị nke ahịrị booters a bụ ọnọdụ ime ụlọ dị ka ọwara, ụlọ, ụzọ ụgbọ oloko, na ihe ngosi dị n'èzí dị ka ámá egwuregwu, ime obodo na nnukwu obodo mepere emepe.N'ihi na ọ bụ usoro akụrụngwa nke abụọ, yabụ ị nwere ike ịchekwa ọnụ ahịa nke okpukpu abụọ nke feeder.
Nkọwapụta
Uplink | Downlink | ||
Ugboro arụ ọrụ | Tetra380 | 380 ~ 385 MHz | 390 ~ 395 MHz |
Tetra400 | 400 ~ 405 MHz | 410 ~ 415 MHz | |
Tetra420 | 415 ~ 420 MHz | 425 ~ 430 MHz | |
CDMA450C | 450 ~ 455 MHz | 460 ~ 465 MHz | |
CDMA450 A | 452.5 ~ 457.5 MHz | 462.5 ~ 467.5 MHz | |
Tetra480 | 480 ~ 485 MHz | 490 ~ 495 MHz | |
VHF | 136 ~ 174 MHz | 136 ~ 174 MHz | |
IDEN | 806 ~ 821 MHz | 851 ~ 866 MHz | |
Ndị ọzọ | dị ka ahaziri | ||
Ike mmepụta | 27/30/33/37/40dBm | 33/37/40/43/46dBm | |
Nweta | 80dB | 80-95dB | |
Downlink na Uplink Nkewa | 3Mhz min | ||
MGC | ≥ 31dB / 1dB nzọụkwụ | ||
VSWR | ≤1.5:1 | ||
N'ụdị flatness | ≤3dB | ||
Atọ ịtụ intermodulation | ≤-45dBC | ||
Nweta mmezi ziri ezi | 0-10dB≤1dB | ||
10-20dB≤1dB | |||
20-30dB≤1.5dB | |||
Sistemu igbu oge | ≤5dB | ||
Mgbaja jụrụ | Fo±0.4MHz | ≤-25dBm | |
Fo±0.6MHz | ≤-35dBm | ||
Fo±1MHz | ≤-48dBm | ||
Mgbapụta na-adịghị mma | 9KHz ~ 150KHz≤-36dBm/10KHz | ||
150KHz ~ 30MHz≤-36dBm/100KHz | |||
30MHz ~ 1GHz≤-36dBm/100KHz | |||
1GHz-12.75GHz≤-30dBm/1MKHz | |||
Ọnụ ọgụgụ mkpọtụ | ≤5dB | ||
Mmebi nke I/O | 50Ω | ||
Njikọ RF | Ụdị N-Ụdị (Nwanyị) |